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Hirakawa, JP
Akira Hirakawa, Kyoto JP
| Patent application number | Description | Published |
|---|---|---|
| 20080223551 | MANUFACTURING METHOD OF FIN UNIT - In a manufacturing method of a fin unit for a heat sink for dissipating a heat from a heat source, the fin unit includes a plurality of fins radially arranged about its center axis, and a fin supporting portion connecting inner ends of the fins and supporting the fins. First, metal is heated. The heated metal is extruded and/or drawn through a die to obtain a metal body. One of the die and the metal body obtained through the die is rotated relative to the other about a center axis of a die hole of the die. The metal body is then cut, thereby obtaining the fin unit. | 09-18-2008 |
| 20080223558 | COOLING DEVICE - A cooling device includes a fan, a heat sink, and an attaching portion arranged to attach the fan to the heat sink. The fan includes an impeller rotating about a center axis, a motor arranged to rotate the impeller, and a base portion supporting the motor. The attaching portion includes a frame surrounding a portion of the impeller opposed to the heat sink, a plurality of supports projecting from the frame to a side opposite to the heat sink, and a plurality of supporting ribs connecting the supports and the base portion to each other, arranged about the center axis, and extending from the base portion away from the center axis. Each supporting rib has a first primary surface and a second primary surface arranged opposite to the impeller. The first and second primary surfaces are inclined with respect to a plane substantially perpendicular to the center axis. | 09-18-2008 |
| 20090073656 | HEAT SINK, HEAT SINK FAN, AND METHOD FOR MANUFACTURING THE SAME - A heat sink has a structure which enables the heat sink to be carried by a holding device in an automated production line. The heat sink includes a base portion at a center thereof and a finned portion around the base portion. The heat sink is arranged in contact with, or very close to, an object to be cooled, e.g., an MPU, and receives the heat generated in the object. The heat is then dissipated to ambient air from the fins. At an object-side end of the heat sink is provided a convex portion which has an engagement feature to be caught by the holding device while the heat sink is carried. | 03-19-2009 |
Eiichi Hirakawa, Nagano-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090166077 | WIRING BOARD AND METHOD OF MANUFACTURING THE SAME - A wiring board is provided. The wiring board includes: a core substrate; wiring layers formed on the core substrate; and a reinforcement conductor which penetrates through the core substrate and which is formed by flat-plate-shaped conductor portions that intersect each other in a plan view. The reinforcement conductor is formed by intersecting vertical crosspieces and horizontal crosspieces and assumes a lattice form in the plan view. | 07-02-2009 |
Hideki Hirakawa, Aomori JP
| Patent application number | Description | Published |
|---|---|---|
| 20080210663 | METHOD FOR MANUFACTURING A PROBE - The present invention provides a probe manufacturing method in which, after a metal material for a probe is deposited on a base table, the probe can be detached from the base table relatively easily. A sacrificial layer is formed on a base table. The sacrificial layer is partially removed so as to form a recess in the sacrificial layer. A mask that exposes an area formed in a desired probe flat surface shape containing the recess is formed on the sacrificial layer. A probe material exhibiting different etching resistance characteristics from those of the sacrificial layer is deposited in the area exposed from the mask. By the deposition of the material, a coupling portion corresponding to the recess and a probe that is integral with the coupling portion are formed. After the mask is removed, the sacrificial layer is removed with use of etchant. Thereafter, the probe held on the base table at the coupling portion is detached from the base table together with the coupling portion. | 09-04-2008 |
| 20090009197 | PROBE FOR ELECTRICAL TEST - A probe for electrical test comprises an arm region extending in a first direction, and a tip region leading to one side in a second direction intersecting the first direction of the arm region, and has a plate form making a direction interesting the first and second directions a thickness direction. The tip region includes a pedestal portion leading to the arm region and a contact portion leading to the pedestal portion, and the contact portion includes a base portion forming a part of the pedestal portion and a projecting portion leading to the base portion and projecting from the pedestal portion in the second direction. By this, damage to the contact portion is prevented. | 01-08-2009 |
| 20090051382 | PROBE FOR ELECTRICAL TEST AND ELECTRICAL CONNECTING APPARATUS USING IT - A probe includes an arm region extending in the back and forth direction, and a tip region extending downward from the front end portion of the arm region. The tip region has a pedestal portion integrally continuous to a lower edge portion at the front end side of the arm region and having an underside inclined to an imaginary axis extending in the vertical direction; and a contact portion projected from the underside of the pedestal portion and having a tip orthogonal to an imaginary axis. Thus, the position of the tip can be accurately determined. | 02-26-2009 |
| 20090058441 | ELECTRICAL TEST PROBE - A probe for electrical test comprises a plate-shaped main portion having a base end to be attached to a support board and a tip end opposite the base end, and a probe tip portion arranged at the tip end of the main portion and having a probe tip to contact an electrode of a device under test, the main portion being made of a tenacity material. The main portion includes a conductive material extending from the base end to the tip end and at least part of which is buried within the tenacity material, and the tenacity material has higher resiliency than that of the conductive material while the conductive material has higher conductivity than that of the tenacity material. As a result, disorder of a signal provided via the probe is decreased without losing elastic deformation. | 03-05-2009 |
| 20090160473 | CONTACTOR FOR ELECTRICAL TEST, ELECTRICAL CONNECTING APPARATUS USING THE SAME, AND METHOD FOR MANUFACTURING CONTACTOR - An electrical test contactor comprises a contactor main body including a plate-shaped attachment portion extending in the up-down direction, a plate-shaped arm portion extending from the lower end portion of the attachment portion at least to one side in the right-left direction, and a plate-shaped pedestal portion projecting downward from the tip end portion of the arm portion, a contact portion projecting downward from the lower end of the pedestal portion and having the lower end of the contact portion acting as a probe tip, and a resistor having a higher resistance value than the contactor main body and the contact portion and arranged at the contactor main body so as to heighten the resistance value of the contactor. | 06-25-2009 |
| 20100213956 | PROBE FOR CURRENT TEST, PROBE ASSEMBLY AND PRODUCTION METHOD THEREOF - A probe for current test comprising: a probe body having a plate-like connection portion whose end face becomes a connection face to a probe board; a solder layer formed on at least one side face of said connection portion; and a guide portion formed on the connection portion, penetrating the connection portion in its thickness direction from the one side face with the solder layer formed to the other side face, and when the solder layer is melted, capable of guiding a portion thereof to the other side face. | 08-26-2010 |
| 20110115515 | PROBE FOR ELECTRICAL TEST, ELECTRICAL CONNECTING APPARATUS USING THE SAME, AND METHOD FOR MANUFACTURING PROBE - The embodiment of the subject matter provides a probe that is good both in mechanical characteristics and electrical characteristics. A probe for an electrical test comprises a probe main body portion made of a nickel-boron alloy, and a probe tip portion projecting downward from the probe main body portion and made of a different conductive material from that for the probe main body portion. The crystal size of the nickel-boron alloy is 50 nm at the maximum, and the contained amount of the boron is 0.02 wt % or more and 0.20 wt % or less. | 05-19-2011 |
Hideki Hirakawa, Hirosaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090230982 | CONTACT FOR ELECTRICAL TEST, ELECTRICAL CONNECTING APPARATUS USING IT, AND METHOD OF PRODUCING THE CONTACT - A contact comprises a contact body at least provided with an arm region extending in the right-left direction, and a tip region extending downward from the front end portion of the arm region. The tip region is provided with a pedestal portion integrally continuous to the lower edge portion on the front end side of the arm region, and a contact portion projecting downward from the lower end portion of the pedestal portion and having a tip to be brought into contact with an electrode of a device under test at the lower end. The pedestal portion includes an underside region having at least four inclined faces located around the contact portion when the tip region is seen from below, and inclined such that a portion closer to the side of the contact portion becomes lower. | 09-17-2009 |
Hiroyuki Hirakawa, Tenri-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080299471 | CARRIER, DEVELOPER, DEVELOPMENT DEVICE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A carrier of the present invention is used in a developer including a toner which includes at least a binder resin and an organic colorant, and the carrier has a core and a coating formed on the surface of the core, the coating including (i) a charge control agent for controlling a charge whose polarity is the same as a polarity of a charge controlled by a charge control agent included in the toner, and (ii) a conductive particles. The use of the carrier of the present invention enables: prevention of decrease in the charging amount of the toner which includes at least a binder resin and an organic colorant; and formation of a stable, high-resolution, high-quality image which has very few image defects such as a photographic fog. | 12-04-2008 |
Hiroyuki Hirakawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20100003614 | RESIN COATED CARRIER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - The resin coated carrier is used with a toner in which an external additive having an average primary particle size of 50 nm or more is added to a toner particle, and has a carrier core and a resin coating layer on the surface of the carrier core. In the resin coated carrier, the following expression (1) is satisfied: | 01-07-2010 |
| 20100135700 | DEVELOPER ,DEVELOPING UNIT,DEVELOPING DEVICE,AND IMAGE FORMING APPARATUS - A developer of the present invention includes a toner and a carrier. The toner contains a charge control agent, and the carrier has on its surface a coating layer to which a charge control agent and electrically conductive particles are added. All of constituent elements of one of the charge control agent of the toner and the charge control agent of the carrier are contained in constituent elements of the other one of the charge control agents. With the configuration, the developer of the present invention is capable of stably maintaining a toner charge amount and outputting high-quality images for long periods. | 06-03-2010 |
| 20100278561 | ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE, AIR BLOWING DEVICE, COOLING DEVICE, CHARGING DEVICE, IMAGE FORMING APPARATUS, ELECTRON-BEAM CURING DEVICE, AND METHOD FOR PRODUCING ELECTRON EMITTING ELEMENT - An electron emitting element ( | 11-04-2010 |
| 20100307724 | HEAT EXCHANGER - A heat exchanger ( | 12-09-2010 |
| 20110236072 | ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode; and comprising first insulating fine particles and second insulating fine particles larger than the first insulating fine particles, a surface of the insulating fine particle layer having a projection formed from the second insulating fine particles, and a second electrode formed on the insulating fine particle layer, wherein when a voltage is applied between the first electrode and the second electrode, electrons provided from the first electrode are accelerated in the insulating fine particle layer to be emitted from the second electrode via the projection. | 09-29-2011 |
| 20110241532 | ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode and composed of insulating fine particles; and a second electrode formed on the insulating fine particle layer, wherein the insulating fine particles are monodisperse fine particles, and when voltage is applied between the first electrode and the second electrode, electrons are discharged from the first electrode into the insulating fine particle layer and accelerated through the insulating fine particle layer to be emitted from the second electrode. | 10-06-2011 |
| 20110254431 | ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - The present invention provides an electron emitting element, comprising: a first electrode; an insulating layer formed on the first electrode and having an opening of through hole; a second electrode formed on the insulating layer, the second electrode being disposed so as to cover at least the opening and face the first electrode via the opening; and a fine particle layer disposed between the first electrode and the second electrode, the fine particle layer being composed of insulating fine particles and conductive fine particles, wherein the insulating layer is disposed between the first electrode and the fine particle layer, or between the second electrode and the fine particle layer, when a voltage is applied between the first electrode and the second electrode, electrons are emitted from the first electrode and accelerated in the fine particle layer to pass through the second electrode. | 10-20-2011 |
Hiroyuki Hirakawa, Hiroshima JP
| Patent application number | Description | Published |
|---|---|---|
| 20110021722 | COMPOSITION CONTAINING CYCLOALIPHATIC EPOXIDE, POLYOL OLIGOMER, CURING AGENT AND CURING ACCELERATOR - A liquid thermosetting epoxy resin composition contains a base resin in combination with a curing agent and a curing accelerator or with a curing catalyst. The base resin includes a cycloaliphatic epoxy compound having at least one alicyclic skeleton and two or more epoxy groups per molecule, and a polyol oligomer having two or more terminal hydroxyl groups. An optical semiconductor device includes an optical semiconductor element sealed by using the liquid thermosetting epoxy resin composition. The composition yields a cured resinous product which is free from curing failure, is optically homogenous, has a low elastic modulus in bending, a high bending strength, a high glass transition temperature, a high optical transparency and is useful for optical semiconductors. | 01-27-2011 |
| 20110114972 | OPTICAL SEMICONDUCTOR SEALING RESIN COMPOSITION AND OPTICAL SEMICONDUCTOR DEVICE USING SAME - An optical semiconductor sealing resin composition includes a rubber-particle-dispersed epoxy resin (A) containing an alicyclic epoxy resin and, dispersed therein, rubber particles, in which the rubber particles comprise a polymer including one or more (meth)acrylic esters as essential monomeric components and have a hydroxyl group and/or a carboxyl group in a surface layer thereof as a functional group capable of reacting with the alicyclic epoxy resin, the rubber particles have an average particle diameter of 10 nm to 500 nm and a maximum particle diameter of 50 nm to 1000 nm, and the difference in refractive index between the rubber particles and a cured article obtained from the optical semiconductor sealing resin composition is within ±0.02. The optical semiconductor sealing resin composition can give a cured article which exhibits excellent cracking resistance while maintaining satisfactory thermal stability and high transparency. | 05-19-2011 |
Hiroyuki Hirakawa, Nara JP
| Patent application number | Description | Published |
|---|---|---|
| 20090047594 | Developer - A developer according to the present invention is arranged such that the composition of particulate metal oxide added as an external additive to a toner surface and the composition of particulate metal oxide added to a resin layer covering a carrier surface are identical to each other, so that the amount of frictional charge that is generated between the toner and the external additive is made larger than the amount of frictional charge that is generated between the external additive and the carrier surface. With this, the external additive is prevented from migrating from the toner surface onto the carrier surface. This makes it possible to prevent the external additive from migrating from the toner surface onto the carrier surface, and thereby to remedy (i) defects in charge and fluidity and (ii) secondary failures, i.e., defects in development that are caused by deterioration in performance of the developer due to the defects in charge and fluidity. | 02-19-2009 |
Isao Hirakawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20110182376 | WIRELESS COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE, AND COMMUNICATION METHOD - A reference signal specific to each base station device and a reference signal specific to each mobile station device are not mixed within one OFDM symbol of a resource block, and OFDM symbols including the reference signal specific to each mobile station device are arranged at regular intervals on a time axis. By using such a signal arrangement pattern, it is possible to overcome the problems in Non-Patent Document 1 mentioned above caused by mixing a reference signal specific to each base station device and a reference signal specific to each mobile station device in one OFDM symbol. Thus, it becomes possible to prevent the reference signal specific to each base station device and the reference signal specific to each mobile station device from being mixed within one OFDM symbol of a resource block. | 07-28-2011 |
| 20110218016 | BASE STATION APPARATUSES, TERMINAL UNIT, RADIO COMMUNICATION SYSTEM HAVING THOSE APPARATUSES, AND PROGRAM TO BE EXECUTED BY THE BASE STATIONS - The present invention is to enable reduction of constraint brought by generation of ID codes of reference signals to be used for cooperative reception and the allocation of the reference signals when radio communication is carried out between a plurality of base station apparatuses and a terminal unit. | 09-08-2011 |
| 20110281606 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A base station apparatus having eight antennas and configured to communicate with a mobile station apparatus includes: a power adjustment unit which has a function of adjusting the power of a base station apparatus specific reference signal, the power of a mobile station apparatus specific reference signal, the power of a control signal and the power of a data signal on the basis of power adjustment values shown in FIG. | 11-17-2011 |
| 20120008614 | WIRELESS COMMUNICATION SYSTEM, TERMINAL APPARATUS, BASE STATION APPARATUS, CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM - A wireless communication system of the present invention includes a plurality of cells in each of which a base station apparatus (BS) is provided, the base station apparatuses (BS) being connected to one another via a network, each of the base station apparatuses (BS), including: an interference quantity information storage section ( | 01-12-2012 |
| 20120009959 | COMMUNICATION SYSTEM AND MOBILE STATION APPARATUS - A mobile communication system comprised of one or a plurality of base station apparatuses and a mobile station apparatus; characterized in that the one or plurality of base station apparatuses positions one or a plurality of logical antenna port reference signals, which are inside one or a plurality of logical antenna ports respectively, to different sub-frames; and the mobile station apparatus uses the logical antenna port reference signals of the one or plurality of logical antenna ports to perform channel status measurement. | 01-12-2012 |
Junichi Hirakawa, Haga-Gun JP
| Patent application number | Description | Published |
|---|---|---|
| 20080267550 | Propeller Shaft for Motor Vehicle - In a propeller shaft for a motor vehicle, an outer periphery of an outer end of an annular support member is formed as an expanded poison. | 10-30-2008 |
Kazuyuki Hirakawa, Hokaido JP
| Patent application number | Description | Published |
|---|---|---|
| 20110125962 | MAP UPDATING SYSTEM AND MAP UPDATING PROGRAM USING DYNAMIC CACHE MEMORY - A map updating system includes: an update processing unit for performing update processing by reading data required in the update processing from a cache area of a memory when the data are stored in the cache area and from a map database when the data are not stored in the cache area; a cache storage unit for storing the data read by the update processing unit in the cache area; a processing memory capacity determination unit for determining a processing memory capacity, which is a capacity of the memory required as an update processing area, on the basis of the content of map data to be subjected to the update processing; and a cache capacity determination unit for determining a cache capacity, which is a capacity of the memory allocated to the cache area, on the basis of the processing memory capacity. | 05-26-2011 |
Kenji Hirakawa, Kyoto JP
| Patent application number | Description | Published |
|---|---|---|
| 20090325040 | LEAD ACID STORAGE BATTERY - A lead acid storage battery according to the present invention comprises a battery container for housing a plurality of cells, a middle lid for covering the battery container, and an upper lid for covering the middle lid, wherein, on the upper surface of the middle lid, a gas discharging port for discharging the gas generated inside of the cell and an electrolyte recirculating port for recirculating the moisture to be discharged along with the gas within the cell are formed as corresponding to each cell. A plurality of exhaust chambers separated by an exhaust chamber partition are formed in a space surrounded by the middle lid and the upper lid, and a mechanism for collectively exhausting the gas discharged from the gas discharging port to the outside of the battery by interconnecting the plurality of exhaust chambers is comprised. | 12-31-2009 |
Kenji Hirakawa, Kyoto-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080199769 | Valve-regulated lead-acid battery and production method thereof - To improve the penetration short-circuit resistance of a valve-regulated lead-acid battery. A mixed and scooped mat of glass fibers and organic fibers is used as a separator | 08-21-2008 |
Kosei Hirakawa, Osaka-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090186076 | Combined Use of TGF-Beta Signaling Inhibitor and Antitumor Agent - The combined use of a TGF-β signaling inhibitor and an antitumor active substance or an imaging agent modified by a drug-encapsulating macromolecular micelle, or the like, is provided. The selective delivery capability of the antitumor active substance or the imaging agent to the target is improved, increasing the antitumoral activity in the target. | 07-23-2009 |
Masaaki Hirakawa, Yokohama-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100221408 | OPTICAL GLUCOSE SENSOR CHIP AND METHOD OF MANUFACTURING THE SAME - An optical glucose sensor chip includes a substrate, a pair of optical elements formed on a surface of the substrate for introducing light into the substrate and for emitting the light from the substrate, and a glucose sensing membrane formed on the surface of the substrate at a position between the optical elements. The sensing membrane includes a color reagent substrate, a first enzyme which oxidizes or reduces glucose, a second enzyme that generates a material which makes the color reagent substrate exhibit color by a reaction with a product obtained by oxidation or reduction of glucose, a nonionic cellulose derivative, and an ionic polymer into which a buffer is incorporated. At least one of the first and second enzymes is coated with the ionic polymer, and the color reagent substrate. The first and second enzymes, the buffer and the ionic polymer are supported by the nonionic cellulose derivative. | 09-02-2010 |
Masaaki Hirakawa, Tsukuba-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090325452 | CATHODE SUBSTRATE HAVING CATHODE ELECTRODE LAYER, INSULATOR LAYER, AND GATE ELECTRODE LAYER FORMED THEREON - A cathode substrate according to the present invention comprises a cathode electrode layer ( | 12-31-2009 |
Masaaki Hirakawa, Kanagawa-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20110142718 | GLUCOSE SENSOR CHIP - According to one embodiment, a glucose sensor chip includes an optical waveguide layer on a main surface of a substrate, the optical waveguide layer including a pair of gratings which are separated each other, a sensing film on a surface of a portion of the optical waveguide layer between the pair of the gratings, the sensing film being constituted with a membrane polymer, a cross-linking polymer and a low-molecular compound, the sensing film including a first enzyme which oxidizes or reduces a color forming dye and a glucose, and a second enzyme which reacts with a product of the first enzyme and generates a material which produces the color forming dye. | 06-16-2011 |
Masami Hirakawa, Fukuoka JP
| Patent application number | Description | Published |
|---|---|---|
| 20110304570 | TOUCH SCREEN DEVICE - A touch screen device is provided that includes a receiving signal processor, an odd number line FIFO, an even number line FIFO, and a first selector. The receiving signal processor processes output signals from receiving electrodes and outputs detection data. The odd number line FIFO and the even number line FIFO respectively store the detection data output from the receiving signal processor on a line basis. The first selector alternately selects outputs of the odd number line FIFO and the even number line FIFO. While one of the odd number line FIFO and the even number line FIFO performs writing of the detection data, the other performs reading. | 12-15-2011 |
Masaya Hirakawa, Kyoto JP
| Patent application number | Description | Published |
|---|---|---|
| 20110018558 | ELECTROSTATIC SENSOR - Multiple sensor capacitors Cd are respectively assigned to multiple buttons B | 01-27-2011 |
Mitsuru Hirakawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20100316042 | RADIO COMMUNICATION DEVICE FOR PERFORMING COMMUNICATION USING THE OFDMA SYSTEM - A radio communication device performing radio communication using OFDMA system includes: a SMI weight deriving unit ( | 12-16-2010 |
| 20110286412 | COMMUNICATION APPARATUS - A communication apparatus capable of simultaneously receiving signals from a plurality of users by an SC-FDMA scheme reduces its circuit size. A communication apparatus BS | 11-24-2011 |
| 20110294496 | SMALL-SIZE BASE STATION AND COMMUNICATION CONTROL SYSTEM - A small-size base station is obtained that allows an authorized user to reliably perform communication via the small-size base station by avoiding a mobile communication terminal of a third person from being connected to the small-size base station. A femtocell base station | 12-01-2011 |
Naoki Hirakawa, Kanagawa-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20120007635 | SEMICONDUCTOR DEVICE - FPGAs and MPLDs, which are conventional programmable semiconductor devices, have had poor cost performance and did not suitably take long signal lines into account. To solve this, a flip-flop is built into each MLUT block comprised of a plurality of MLUTs, each MLUT comprising a memory and an address-data pair. With respect to the adjacent line between adjacent MLUTs, alternated adjacent line are introduced, while in the case of interconnects between non-adjacent MLUTs, dedicated distant line and, furthermore, a torus interconnect network are provided. | 01-12-2012 |
Naoki Hirakawa, Shinagawa-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20080247778 | CONDUCTIVE RUBBER MEMBER - An object of the present invention is to provide a conductive rubber member which exhibits small environmental dependency and stable electrical resistance. The conductive rubber member is formed of a conductive elastic layer which has been imparted with conductivity by means of a conductivity-imparting agent. The conductive elastic layer has, at a surface portion thereof, a surface-treated layer which has been formed through impregnating the surface with a surface-treatment liquid containing an isocyanate component and an ion-conducting polymer. | 10-09-2008 |
Naoki Hirakawa, Yamaguchi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100282372 | HIGH-STRENGTH STAINLESS STEEL MATERIAL AND PRODUCTION PROCESS OF THE SAME - Provided is a high-strength stainless steel material having less deterioration in mechanical strength and improved workability, particularly bending workability compared with conventional steel materials. The high-strength stainless steel material of the present invention has a specific composition, has a metal microstructure composed of two phases, that is a ferrite phase and a martensite phase, has a γmax of from 50 to 85, the γ | 11-11-2010 |
Osamu Hirakawa, Koshi-City JP
| Patent application number | Description | Published |
|---|---|---|
| 20100157262 | Exposure apparatus and device manufacturing method - An exposure apparatus for emitting exposure light onto a substrate via a projection optical system and a liquid to expose the substrate includes a supply pipe which supplies the liquid; a recovery pipe which recovers the liquid; a connection pipe which connects the supply pipe and the recovery pipe; and a switching device which switches a flow path of the liquid so that when liquid supply is stopped, the liquid that has flowed into the supply pipe flows to the recovery pipe via the connection pipe. The apparatus may further include a temperature regulation apparatus connected to the supply pipe, which performs temperature regulation of the liquid supplied to the supply pipe, and has a rough temperature regulator which roughly regulates the temperature of the liquid, and a fine temperature regulator which is arranged between the rough temperature regulator and the supply pipe and performs fine regulation of this temperature. | 06-24-2010 |
Satoshi Hirakawa, Tachikawa-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100097624 | IMAGE FORMING APPARATUS, IMAGE INSPECTION METHOD, AND STORAGE MEDIUM - An information processing apparatus obtains an inspection image output mode to have an inspection image mixed in an output of image data and outputs the inspection image with the output of the image data. The inspection image is used to inspect a status of an image printed by an image forming apparatus based on image data generated according to a print job specified by a user. The information processing apparatus, according to the obtained inspection image output mode, generates printing control information to output the image data and the inspection image, which is mixed in the output of the image data. The information processing apparatus sends a print job, including the generated printing control information, to the image forming apparatus. | 04-22-2010 |
Satoshi Hirakawa, Kawasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090040546 | PRINTER CONTROL APPARATUS AND METHOD - A method used by printing apparatus executing a job based on a print setting accepted via an operation unit including accepting a stop instruction for stopping a print operation for the job via the operation unit and displaying a setting screen reflecting a print setting made for the job for which the print operation is stopped, in response to acceptance of a stop instruction. | 02-12-2009 |
| 20090086265 | PRINT PROCESSING METHOD AND INFORMATION PROCESSING APPARATUS IMPLEMENTING THE METHOD - A printer driver for generating print job data to be transferred to a printer in response to a drawing instruction determines, based on combining condition, whether the received drawing instruction can be combined with another drawing instruction. If the printer driver determines that the received drawing instruction can be combined, the printer driver stores the received drawing instruction as intermediate data. If the printer driver determines that the received drawing instruction cannot be combined, the printer driver combines intermediate data of already stored drawing instructions into a single item of print job data and outputs the print job data to the printer. The combining condition is that the received drawing instruction meets all of three conditions. | 04-02-2009 |
| 20090201548 | PRINTER DRIVER AND IMAGE FORMING APPARATUS - A printer driver and an image forming apparatus for appropriately combining additional information (such as a stamp) and an original to print the combined image data. The printer driver according to one embodiment of the present invention, relates to a printer driver connected to a printer for registering form data transmitted from the printer driver, and for combining the registered form data and contents data. The printer driver transmits transparent data as form data and a command indicating that the form data is transparent data, to the printer. | 08-13-2009 |
Shigeki Hirakawa, Kariya-City JP
| Patent application number | Description | Published |
|---|---|---|
| 20120000309 | RANGE SENSING APPARATUS - A housing slidably guides a slider, which is driven in response to selection of a shift range of an automatic transmission. Upper and lateral sides of a movable range of the slider are covered with the housing. Thereby, application of hydraulic fluid and foreign objects to guide rails is limited to limit malfunction of the slider. Furthermore, even when the hydraulic fluid and foreign objects adhere to the guide rails, the hydraulic fluid and foreign objects can be collected at ends of the movable range of the slider and can be expelled to an outside of the housing through open ends of the housing. | 01-05-2012 |
Shinji Hirakawa, Izumi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080238824 | PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - When a discharge start voltage takes a normal value under the normal temperature, priming discharge starts at a time t | 10-02-2008 |
| 20090102756 | Method, circuit and program for driving plasma display panel - Disclosed is a method of driving a plasma display panel. In this method, one field corresponding to one image is divided into a plurality of sub-fields, and at least one second sub-field is arranged after a first sub-field. In the first sub-field, the method comprises a first step of forming wall charges with negative polarity near the scanning electrode and forming wall charges with positive polarity near the common electrode and the data electrode; a second step of adjusting an amount of the wall charges with negative polarity near the scanning electrode and an amount of the wall charges with positive polarity near the common electrode and the data electrode; a third step of generating a writing discharge in a selected display cell of the display cells; a fourth step of generating light emission for display; and a fifth step of erasing a part of the wall charges in the display cell which emits light in the fourth step. In the second sub-field, the method comprises the same steps as the third, fourth and fifth steps. A potential difference between a scanning electrode and a common electrode in each of the fifth steps in the first and second sub-fields is set to be smaller than a potential difference between a scanning electrode and a common electrode in each of the third steps in the first and second sub-fields. | 04-23-2009 |
Shoichi Hirakawa, Chuo-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20100274332 | HUMAN BODY COOLING APPARATUS - [Problem to be Solved] A third invention provides a human body cooling apparatus which suppresses uneven distribution due to the migratability of a built-in cooling medium, thereby exhibiting a sufficient cooling effect for the body. | 10-28-2010 |
Shunzo Hirakawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20110130890 | TEMPERATURE MEASURING METHOD, TEMPERATURE MEASURING APPARATUS, TEMPERATURE CONTROL METHOD, TEMPERATURE CONTROL APPARATUS, CORRECTION METHOD, AND CORRECTION APPARATUS - A temperature measuring method is disclosed in which, even when a sheet-like object has an uneven temperature distribution throughout itself, the sheet-like object is measured for temperature with accuracy. In this method, temperature measurement is conducted in a measuring area (S) where the sheet-like object (a) is to be measured for its physical quantity or in the vicinity of the measuring area during determination of the physical quantity by a physical quantity measuring means. One or more temperature sensors ( | 06-02-2011 |
Tadahiko Hirakawa, Kawasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110059245 | COATING APPARATUS AND COATING METHOD - A coating apparatus including a coating part which applies a liquid material including an oxidizable metal on a substrate, a chamber having a coating space in which the coating part applies the liquid material on the substrate and a transport space into which the substrate is transported, and a removal unit which removes the liquid material from the inside of the chamber when at least one of oxygen concentration and humidity inside the chamber exceeds a threshold value. | 03-10-2011 |
| 20110059246 | COATING APPARATUS AND COATING METHOD - A coating apparatus including a coating part which applies a liquid material including an oxidizable metal on a substrate; a chamber having a coating space in which the coating part applies the liquid material on the substrate and a transport space into which the liquid material is transported; and an adjusting part which adjusts at least one of oxygen concentration and humidity inside the chamber. | 03-10-2011 |
| 20110059248 | COATING METHOD AND COATING APPARATUS - A coating method including coating a liquid material including an oxidizable metal on a substrate, and heating the substrate having the liquid material coated thereon in the presence of an inert gas. | 03-10-2011 |
| 20110059250 | COATING METHOD AND COATING APPARATUS - A coating method including coating a liquid material including an oxidizable metal on a substrate a plurality of times to laminate a plurality of liquid material layers on the substrate; and adjusting at least one of oxygen concentration and humidity inside a chamber having a coating space in which the coating part applies the liquid material on the substrate and a transport space into which the liquid material is transported. | 03-10-2011 |
| 20110059574 | COATING APPARATUS AND COATING METHOD - A coating apparatus including a coating part which applies a liquid material including an oxidizable metal on a substrate; a chamber having a coating section in which the coating part applies the liquid material on the substrate and a transport section into which the liquid material is transported; an adjusting part which adjusts at least one of oxygen concentration and humidity inside the chamber; and a control part which stops an operation of the coating part in response to the entrance of foreign object into the chamber. | 03-10-2011 |
Tadashi Hirakawa, Wako-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100295277 | SIDE AIRBAG APPARATUS - A side airbag apparatus deployed between a vehicle compartment sidewall and a vehicle occupant. The airbag has an upper chamber, a lower chamber, and a middle chamber formed between the upper and lower chambers. The middle chamber is deployed prior to the timing of deployment of the upper and lower chambers. | 11-25-2010 |
Tai Hirakawa, Hiroshima-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080222360 | MULTI-PORT INTEGRATED CACHE - A multi-port instruction/data integrated cache which is provided between a parallel processor and a main memory and stores therein a part of instructions and data stored in the main memory has a plurality of banks, and a plurality of ports including an instruction port unit consisting of at least one instruction port used to access an instruction from the parallel processor and a data port unit consisting of at least one data port used to access data from the parallel processor. Further, a data width which can be specified to the bank from the instruction port is set larger than a data width which can be specified to the bank from the data port. | 09-11-2008 |
Takafumi Hirakawa, Ube-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090306334 | POLYMERIZABLE COMPOSITION AND POLYTHIOCARBONATE POLYTHIOETHER - Disclosed is a polymerizable composition comprising Component (a): a polythiocarbonate polythiol, Component (b): an episulfide compound, and optionally Component (c): an organic compound having a functional group that is reactive to the episulfide compound. The polymerizable composition can be cured to provide a polythioether having excellent optical properties (a high refractive index and a high Abbe's number) as well as excellent mechanical properties (a high bending distortion and a high glass transition temperature) and thus exhibiting excellent properties as an optical material. | 12-10-2009 |
Takafumi Hirakawa, Yamaguchi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090299030 | POLYTHIOCARBONATEPOLY(THIO)EPOXIDE - Disclosed is a polythiocarbonate poly(thio)epoxide in which a hydrogen atom in a mercapto group of a polythiocarbonate polythiol is substituted with a (thio)epoxy-containing group. By using this compound as a starting material, there can be obtained a polythioether or a sulfur-containing polyether having, in addition to excellent optical properties (a high refractive index and a high Abbe's number), excellent mechanical properties (a high bending distortion) and a high glass transition temperature. | 12-03-2009 |
Takakazu Hirakawa, Shizuoka JP
| Patent application number | Description | Published |
|---|---|---|
| 20090124733 | Flame retardant polybutylene terephthalate resin composition - The invention provides a resin composition which gained flame-retardancy by a non-halogen based flame-retardant, having excellent small-warping performance without deteriorating excellent moldability and various characteristics (mechanical characteristics, electrical characteristics, and long-term environmental characteristics) which are inherent advantageous properties of polybutylene terephthalate resin. Specifically, to (A) 100 parts by weight of polybutylene terephthalate-based resin, there are mixed: (B) 10 to 100 parts by weight of a polymer of one or more types selected from the group consisting of modified polyester and styrene-based resin; (C) 10 to 100 parts by weight of specific phosphinic acid salt and/or diphosphinic acid salt and/or a polymer thereof; and (D) 20 to 200 parts by weight of glass fiber having an average cross-sectional area ranging from 100 to 300 square micrometers. | 05-14-2009 |
| 20100233474 | FLAME-RETARDANT RESIN COMPOSITION FORMING LASER-TRANSMITTABLE MEMBER - A laser-weldable flame-retardant resin composition (for a member located in a transmitting side) comprises (A) a polyester-series resin and (B) at least one phosphinic acid compound selected from the group consisting of a salt of a phosphinic acid, a salt of a diphosphinic acid, and a polymer thereof (preferably, a metal salt). The resin composition may have a laser light transmittance of not less than 15% for a molded product comprising the resin composition and having a thickness of 2 mm. The resin composition may further contain a fluorine-containing resin, a nitrogen-containing flame retardant (e.g., a salt of a triazine compound with cyanuric acid and/or isocyanuric acid), and/or a filler (e.g., a glass fiber), and others. Such a resin composition realizes both of laser-weldability (laser transmissivity) and flame retardancy at high levels. | 09-16-2010 |
Takashi Hirakawa, Sayama JP
| Patent application number | Description | Published |
|---|---|---|
| 20110120161 | EXPANSION VALVE, HEAT PUMP TYPE REFRIGERATION CYCLE APPARATUS, AND AIR HANDLING UNIT - A first expansion valve is provided in an outdoor unit, and a second expansion valve is provided in an indoor unit. A pipe line connects a first joint pipe of the first expansion valve and a second joint pipe of the second expansion valve. When a refrigerant flows in from the second joint pipe and flows out from the first joint pipe, the first and second expansion valves are in a full open state due to pressure of the refrigerant. When the refrigerant flows in from the first joint pipe and flows out from the second joint pipe, the first and second expansion valves are in semi-closed state (flow rate controlling state). In a cooling mode, the second expansion valve expands the refrigerant just before an indoor heat exchanger, and in a heating mode, the first expansion valve expands the refrigerant just before an outdoor heat exchanger. In both heating and cooling mode, a large amount of refrigerant flows through the pipe line to reduce pressure loss. | 05-26-2011 |
Takashi Hirakawa, Ashigarakami-Gun JP
| Patent application number | Description | Published |
|---|---|---|
| 20080305262 | INK COMPOSITION, INK SET AND INKJET RECORDING METHOD - An ink composition includes: first particles which are insoluble and dispersed in an aqueous dispersion medium, a polarity of the first particles being one of positive and negative; and second particles which are insoluble and dispersed in the aqueous dispersion medium, the second particles including both a cationic group and an anionic group, the second particles having a zeta potential that changes along with a change in pH of the aqueous dispersion medium, percentage of a water-soluble component in the second particles being not higher than 5% by mass. | 12-11-2008 |
Takashi Hirakawa, Kanagawa-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20090087211 | LIQUID REMOVAL APPARATUS, IMAGE FORMING APPARATUS AND LIQUID REMOVAL METHOD - A liquid removal apparatus which removes liquid on a base material, has: an absorbing member which absorbs and removes the liquid on the base material by making contact with or by approaching to the liquid; an internal rotating body which is disposed inside a hollow portion of the absorbing member and has an opening section in an outer circumferential surface of the internal rotating body; a pressure reducing device which reduces pressure of the hollow portion of the absorbing member; an internal rotating body drive device which causes the internal rotating body to rotate relatively with respect to the absorbing member; a movement device which causes relative movement of the base material with respect to the absorbing member and the internal rotating body; and an internal rotating body drive control device which controls the internal rotating body drive device in such a manner that: number N | 04-02-2009 |
Takenori Hirakawa, Kumamoto JP
| Patent application number | Description | Published |
|---|---|---|
| 20100097605 | FILTRATE MONITORING DEVICE, AND FILTRATE MONITORING SYSTEM - A filtrate monitoring device and a filtrate monitoring system, which can monitor a membrane-type water filtrating/purifying system at all times and which can flexibly adjust themselves to the contents and sizes of impurities, are provided. The filtrate monitoring device monitors the filtrate having passed through the membrane-type water filtrating/purifying device. The filtrate monitoring device comprises: imaging/detecting means for shooting images in the filtrate having passed through the filtrating/purifying device, on the filtrate flowing in an observation bath of a filtrate observing cell disposed midway of the branched filtrate pipeline, thereby to specify the particles contained in the filtrate, and/or optical detecting means disposed midway of the filtrate pipeline before or after branching. | 04-22-2010 |
Taku Hirakawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20090126217 | PARTICULATE MATERIAL PROCESSING APPARATUS AND PARTICULATE MATERIAL PROCESSING SYSTEM - A particulate material processing apparatus has a vessel, a processing tank, and a dispersing member. The vessel has a charging port for charging a particulate material into the vessel. The processing tank receives the particulate material charged from the charging port. The processing tank is shaped so as to narrow towards the bottom. At least the lower part of the processing tank is made of a gas-permeable material that allows the process gas for processing the particulate material to pass through. The dispersing member is disposed below the charging port. The dispersing member disperses and flattens the particulate material on the processing tank. | 05-21-2009 |
| 20090126571 | PARTICULATE MATERIAL PROCESSING APPARATUS AND PARTICULATE MATERIAL PROCESSING SYSTEM - A particulate material processing apparatus has a vessel and a processing tank. The vessel has a charging port for charging a particulate material into the vessel. The processing tank receives the particulate material charged from the charging port. The processing tank is shaped so as to narrow towards the bottom. At least the lower part of the processing tank is made of a gas-permeable material that allows the process gas for processing the particulate material to pass through. The upper part of the processing tank has lower gas permeability than the lower part of the processing tank. | 05-21-2009 |
Tetsuya Hirakawa, Tsukuba-Shi JP
Tomohiro Hirakawa, Fukuoka-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20100186158 | FLUSH TOILET BOWL - A flush toilet bowl includes: a bowl portion including a pooling portion in communication with a drain conduit; a rim surface provided above the bowl portion; and a first slit opening configured to spout flush water supplied through a first conduit toward the bowl portion and to spout the supplied flush water in a generally tangential direction of the rim surface, thereby generating a swirling flow flowing forward near a boundary between the rim surface and the bowl portion. A slit opening shape in a cross section generally perpendicular to a flow direction of water flow spouted from the first slit opening is horizontally flattened. There is provided a flush toilet bowl capable of minimizing the overhang of the rim portion. | 07-29-2010 |
Tomohisa Hirakawa, Chiyoda-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20090187264 | Information processing system for producing building material, building material production method and production equipment, and building information distribution system - An information processing system for producing a building material has a design drawing generator, a list generator and a member production controller. The design drawing generator generates design drawing information of an objective building. The list generator generates list information of the members used for the objective building. The member production controller controls the production of the members used for the objective building, based on the list information. | 07-23-2009 |
| 20100281939 | EQUIPMENT FOR PRODUCING LIGHT GAUGE SHAPE SHEET STEEL - An information processing system for producing a building material has a design drawing generator, a list generator and a member production controller. The design drawing generator generates design drawing information of an objective building. The list generator generates list information of the members used for the objective building. The member production controller controls the production of the members used for the objective building, based on the list information. | 11-11-2010 |
Tomoya Hirakawa, Kariya-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090096265 | VEHICLE SEATS - A vehicle seat may include a seat main body having a seat cushion, a rotation mechanism that is arranged and constructed to horizontally rotate the seat main body with respect to a vehicle floor, a vertically moving mechanism that is arranged and constructed to vertically move the seat main body while moving the seat main body between vehicle interior and vehicle exterior, and a seat support that is capable of attaching the seat main body to the vertically moving mechanism. A cushion frame of the seat cushion is composed of a pair of longitudinal side frame elements, an anchor frame positioned between the side frame elements and anchor members attached to the anchor frame. The anchor frame is connected to the seat support via reinforcement members. | 04-16-2009 |
Toshihiro Hirakawa, Kasugai-City JP
| Patent application number | Description | Published |
|---|---|---|
| 20100244345 | HOLDING JIG, MEASUREMENT DEVICE AND HOLDING DEVICE USING THE SAME - A holding jig includes, in a case where a tilt angle with respect to a plane as a holding surface of a holding target is defined as a holding tilt angle: a first holding portion having a holding tilt face with the holding tilt angle; a second holding portion connected to the first holding portion so as to slide toward the holding tilt face along a plane substantially parallel to the holding surface; and an elastic holding portion provided at a position of the second holding portion facing the holding tilt face and elastically deformed toward the holding surface by the holding tilt face while abutting on the holding tilt face, when the second holding portion slides toward the holding tilt face, to press and hold the holding target. | 09-30-2010 |
Toshikazu Hirakawa, Zama-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090069138 | HEAT-RESISTANT RESIN BELT, MANUFACTURING METHOD THEREOF AND IMAGE FORMING APPARATUS - A heat-resistant endless resin belt including a heat-resistant resin sheet, which can be employed in a thermal fixing apparatus, wherein the sheet includes two cutting work parts in an inclined shape. The two parts are overlapped with each other and bonded with an adhesive to form a bonding part. An external shape displacement f (x), measured via a flatness measuring apparatus, which scans the belt in a width direction thereof, satisfies a following formula | 03-12-2009 |
Yasufumi Hirakawa, Minato-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20110149169 | HIGH-QUALITY CONTENT GENERATING SYSTEM, METHOD THEREFOR, AND PROGRAM - A high-quality content generating system provided with a feature amount extracting means for extracting the feature amounts of a plurality of pieces of content therefrom, a content grouping means for performing matching between the feature amounts of the plurality of pieces of content extracted by the feature amount extracting means, grouping the same content included in the plurality of pieces of content and the derived content produced by using the same content, and calculating same/derived content grouping information, and a high-quality content generating means for selecting pieces of content to be grouped by the same/derived content grouping information from the plurality of pieces of content and generating content with higher quality by using the selected content. | 06-23-2011 |
| 20110150419 | CONTENT REPRODUCTION ORDER DETERMINATION SYSTEM, AND METHOD AND PROGRAM THEREOF - A system comprising: a extraction unit that extracts from each content a signal feature series, being a series of signal features caused to correspond to positions on a time axis of the content; a generator for detects mutual similarity sections, being sections in which the signal features for different contents are similar to each other, from said signal feature series for each content, and generates the content to which each mutual similarity section belongs, information for specifying the position of the above mutual similarity section on the time axis of the content, and a link indicative of a correspondence relation of the mutual similarity section as mutual similarity section link information; and a determination unit that determines a reproduction order of the content based upon a relationship of the position of the mutual similarity section on the time axis of the content that said mutual similarity section link information indicates. | 06-23-2011 |
Yasuo Hirakawa, Aichi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090246304 | TEMPERATURE ADJUSTMENT MECHANISM FOR INJECTION MOLDING MACHINE - A temperature adjustment mechanism for use in an injection molding machine that shortens a molding cycle time while preventing the occurrence of a stranding phenomenon in an optimum manner. A passage includes an opening arranged near an outer surface of an outlet of an injection nozzle for an injection molding machine. A supply control unit supplies the passage with at least one of cooling air and heating air to selectively eject the cooling medium, the heating medium, and a mixture of the cooling medium and the heating medium near the outer surface of the outlet. | 10-01-2009 |
Yohei Hirakawa, Kazo-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090020733 | CONDUCTIVE PASTE - A conductive paste that includes a binder containing a thermosetting resin and conductive particles, in which the lowest exothermic peak temperature T | 01-22-2009 |
Yosuke Hirakawa, Hitachi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110041503 | Turbine Protection Device - An object of the present invention is to provide a turbine protection device which can interrupt backflow from a deaerator to a turbine completely even if a check valve provided between the deaerator and the turbine can not interrupt the steam flow between the deaerator and the turbine completely. In order to achieve the above object, a control unit sends commands to a shutdown valve device so as to close the shutdown valve device when a differential pressure resulted from subtracting a pressure of a extraction steam from a pressure within the deaerator becomes greater than or equal to a first predetermined value. As a result, the backflow from the deaerator to the turbine is interrupted by a stop valve of the shutdown valve device. | 02-24-2011 |
Yuichi Hirakawa, Hyogo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100164179 | SEAL STRUCTURE - A seal structure that achieves a thick abradable film, thereby improving sealing performance, is provided. A seal structure is provided with at least one fin that projects in a ring-shape from a circumferential surface of a rotating shaft and that is provided along an axial direction and a seal member having a ring-shaped sealing surface opposed to the fin, and on which an abradable layer is formed by thermally spraying abradable material onto the sealing surface, the seal structure is provided with tapered portions inclined in a radial direction at end portions of the sealing surface in the axial direction. | 07-01-2010 |
| 20100296938 | ROTOR OF ROTATING MACHINE AND METHOD OF MANUFACTURING THE ROTOR - A turbine rotor which is composed by connecting Ni-based alloy and heat resisting steel such as 12-Cr steel by welding to be able to ensure strength of welded parts and can be used under steam conditions of 700° C. class and method of manufacturing the rotor are also provided. The rotor of the rotating machine into which working fluid of 650° C. or higher is introduced, the rotor being composed of a plurality of members connected by welding such that material of each member is different in accordance with temperature of working fluid which flows contacting the members, wherein the first member(s) is formed from Ni-based alloy having mean linear expansion coefficient of 12.4×10 | 11-25-2010 |
| 20110126945 | Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME - There are provided an Ni-based alloy high-chrome steel structure and its manufacturing method capable of joining Ni-based alloys and high-chrome steels by welding, and performing suitable heat treatment, thereby maintaining the strength in the joints. In a manufacturing method of a structure formed by joining together at least two first members formed from Ni-based alloys by welding, and joining a second member formed from high-chrome steels to a member where the first members have been joined together, the manufacturing method includes the steps: joining together the at least two first members formed from Ni-based alloys by welding; performing first-stage aging treatment on a welded joint between the first members, and then, joining the second member formed from high-chrome steels to the member where the first members have been joined together by welding; and then, performing second-stage aging treatment on the welded joint between the first members, and performing heat treatment after welding on a welded portion between the first members and the second member. | 06-02-2011 |
Yusuki Hirakawa, Odawara JP
| Patent application number | Description | Published |
|---|---|---|
| 20080201527 | Data Processing System and Storage Subsystem Provided in Data Processing System - A first storage subsystem | 08-21-2008 |
Yuzo Hirakawa, Hiroshima-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100092976 | THERMOSTABLE DUPLEX-SPECIFIC NUCLEASE - The present invention provides a thermostable duplex-specific nuclease (DSN) and a method for digesting a nucleic acid using said DSN, namely, a protein having a Brachyura-derived duplex-specific nuclease activity, a gene encoding for said protein, a recombinant vector comprising said gene and a transformed cell or transduced cell comprising said vector and a method for producing a protein having a duplex-specific nuclease activity, which comprises culturing said transformed cell or transduced cell using a medium and collecting the protein having a duplex-specific nuclease activity from the cultured mixture, a method for digesting a nucleic acid using said protein having duplex-specific nuclease activity, a method for detecting RNA using said DSN and a reagent kit to be used in the aforementioned methods. | 04-15-2010 |