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Kurokawa, Tokyo

Atsushi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20080224174SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - A technology which allows an improvement in the moisture resistance of a semiconductor device is provided. In a GaAs substrate as a semi-insulating substrate, a HBT is formed in an element formation region, while an isolation region is formed in an insulating region. The isolation region formed in the insulating region is formed by introducing helium into the same semiconductor layers as the sub-collector semiconductor layer and collector semiconductor layer of the HBT. In an outer peripheral region, a conductive layer is formed to be exposed from protective films and coupled to a back surface electrode. Because a GND potential is supplied to the back surface electrode, the conductive layer is fixed to the GND potential. The conductive layer is formed of the same semiconductor layers as the sub-collector semiconductor layer and collector semiconductor layer of the HBT.09-18-2008
20090085162SEMICONDUCTOR DEVICE AND INTEGRATED SEMICONDUCTOR CIRCUIT DEVICE - The present invention provides a semiconductor device that includes a plurality of transistor cells and makes it possible to achieve higher degree of integration and lower cost of an integrated semiconductor circuit device as the first object, and provide an integrated semiconductor circuit device of high density integration and compact construction at a low cost.04-02-2009

Futoshi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100044285SOLID-LIQUID SEPARATOR - An activated carbon adder adds activated carbon to raw water before flocculating sedimentation, to adsorb suspended matter contained in raw water, a liquid cyclone is adapted to separate activated carbon with suspended matter adsorbed thereon, from raw water containing activated carbon, an inflow line is connected with the liquid cyclone so as to cause raw water containing activated carbon before flocculating sedimentation to flow into the liquid cyclone and swirl therein, an activated carbon discharge line discharges activated carbon spun down out of raw water containing activated carbon in the liquid cyclone, from the liquid cyclone, and a pretreated water discharge line discharges raw water having got rid of activated carbon as pretreated water from the liquid cyclone, allowing for a reduced amount of chemicals to be used, with production of a reduced amount of sludge.02-25-2010
20100044286Water-Purification Pretreatment System - A water-purification pretreatment system removes raw water of suspended solids heavier in specific gravity than water before a water-purification treatment of raw water taken from a water source and the system includes a liquid cyclone configured for raw water to inflow thereto and to be swirled inside thereof to separate from raw water suspended solids heavier in specific gravity tan water, an inflow line connected with the liquid cyclone for raw water to be supplied to the liquid cyclone and configured for raw water being supplied to swirl inside the liquid cyclone, and an outflow line configured for raw water having suspended solids separated therefrom to outflow as pretreated water from the liquid cyclone, allowing for a reduced load on a treatment of solid suspended solids as a water treatment for water purification plants.02-25-2010
20110056876DESALINATION SYSTEM - Certain embodiments provide a desalination system including a desalination plant, a carbon dioxide contacting plant, a carbonate filtering plant, and an electrolysis plant. The desalination plant works to separate raw water into fresh water and high salinity condensed water. The carbon dioxide contacting plant works to bring carbon dioxide into contact with condensed water obtained at the desalination plant, producing carbonates. The carbonate filtering plant works to filter carbonate containing condensed water produced at the carbon dioxide contacting plant, effecting a carbonate removal from condensed water. The electrolysis plant works for an electrolytic treatment of condensed water after the carbonate removal at the carbonate filtering plant to produce a chemical or chemicals for use in the desalination system.03-10-2011

Harushige Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100162958SUBSTRATE PROCESSING APPARATUS AND REACTION TUBE FOR PROCESSING SUBSTRATE - There are provided a substrate processing apparatus and a reaction tube for processing a substrate. The substrate processing apparatus comprises a process chamber configured to accommodate a substrate and process the substrate, a heater configured to heat the substrate, and a gas supply part configured to supply a gas to an inside of the process chamber. The process chamber comprises an alloy reaction tube made of a material comprising at least molybdenum (Mo) and cobalt (Co) but not comprising aluminum (Al).07-01-2010

Hideki Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20080212508POWER SAVING METHOD IN WIRELESS LAN SYSTEM FOR PERMITTING TERMINAL STATION TO PROMPTLY TRANSITION TO DOZE STATE BY TRANSMITTING EMPTY DATA FRAME - A power saving method in a wireless LAN system is disclosed for permitting a terminal station to promptly transition to a doze state irrespective of the presence or absence of data destined to the terminal station in a base station. Upon receipt of a PS-Poll signal from a terminal station subordinate to a base station for prompting a transmission of data destined to the terminal station, the base station transmits an ACK signal to the terminal station for indicating a successful reception of the PS-Poll signal. Further, the base station transmits a data frame including data destined to the terminal station when there is such data, or transmits an empty data frame when there is no data destined to the terminal station. Then, upon receipt of the data frame (including the empty data frame), the terminal station transmits an ACK signal to the base station, and then transitions to the doze state in which a transmission/reception function is made inoperative.09-04-2008

Patent applications by Hideki Kurokawa, Tokyo JP

Hiroshi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090127661NITRIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - Semiconductor devices, in particular nitride semiconductor devices for use in the manufacture of laser diodes, prevent peeling-off of the electrode, and at the same time reduces the complexity of processes and a reduction in yield. A nitride semiconductor device according to the invention includes a P-type nitride semiconductor layer with a ridge on its surface, an SiO05-21-2009
20090140389NITRIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, which is an antioxidant film for preventing oxidation of the Ta film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film as an antioxidant film is formed on the entire upper surface of the Ta film which forms the p electrode, to prevent oxidation of the Ta film. This inhibits the resistance between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the low-resistance p electrode.06-04-2009
20090146308NITRIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film is formed on the entire upper surface of the Ta film which forms part of the p electrode, and serves as an antioxidant film that prevents oxidation of the Ta film. Preventing oxidation of the Ta film, the second Pd film can reduce the resistance that may exist between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the p electrode with low resistance.06-11-2009
20100108875METHOD OF ANALYZING MINUTE QUANTITY OF CONTENT - A sample preparation for analyzing a minute quantity of a content included in a material is performed by short-time extraction treatment without long-time extraction treatment, and the minute quantity of the content in the material is rapidly analyzed. The method of analyzing a minute quantity of a content includes mounting on a sample table a sample piece of a material to be analyzed; dropping onto the sample table the solvent for extracting the content from the sample piece, and injecting the solvent into a gap between the sample table and the sample piece; maintaining at room temperature the solvent injected into the gap between the sample table and the sample piece, and, with the solvent maintained in the gap between the sample table and the sample piece, extracting the content from the sample piece; and analyzing the content extracted from the sample piece.05-06-2010
20110044069LIGHT SOURCE DEVICE AND METHOD OF PRODUCING THE SAME - An objective is to provide a light source device having a light emission source such as a semiconductor laser (LD), an LED and a lamp, and an optical part such as a lens and a fiber for transmitting, transferring and light-focusing, in which, by controlling the amount of sulfate ions inside the device at a low level, adhesion of ammonium sulfate to the optical part can be prevented. The light source device includes a light source for emitting light, an optical part for processing light emitted from the light source, and a housing in which the optical part is housed, or to which the optical part is mounted, and the housing is formed by machining material that includes no sulfur component, and the material is exposed on the surface thereof.02-24-2011
20120084014MODELING DEVICE, PROGRAM, COMPUTER-READABLE RECORDING MEDIUM, AND METHOD OF ESTABLISHING CORRESPONDENCE - A modeling device is disclosed that easily projects characteristic information obtained from an object onto a differently-shaped object, even if the object, from which the characteristic information is obtained, has a complex shape. A modeling device in one embodiment of the present invention includes a virtually electrifying section to calculate an electric potential at a spot in a heart at the time when a predetermined voltage is applied to the heart, and a projecting section to project a fiber orientation onto a heart model created on the basis of shape information that is input to the input section. The projecting section specifies a spot to be a target of projection on the basis of the electric potential obtained by the virtually electrifying section. Use of the electric potential in specifying the spot makes it possible to easily project the fiber orientation onto any heart having complex and various shapes.04-05-2012

Patent applications by Hiroshi Kurokawa, Tokyo JP

Hisashi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20080283314In-Wheel Motor System and Method of Installing the Same - A direct drive motor module has hollow disk-like plates (11-20-2008
20080283315Vehicle Having In-Wheel Motors - A vehicle having in-wheel motors, wherein when the in-wheel motors are mounted on the vehicle driven by the torque of an internal combustion engine, the in-wheel motors (11-20-2008
20090004594METHOD FOR PRODUCING TONER FOR DEVOLOPING ELECTROSTATIC IMAGE - Provided is a method for producing a toner for developing electrostatic image which inhibits the generation of small diameter microparticles as a by-product in the polymerization for the toner, which includes easy or simple washing treatment (washing/filtration/dehydration), and which is excellent in productivity.01-01-2009
20100081078METHOD FOR PRODUCING TONER - The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity. A method for producing a toner comprising the steps of: a process of obtaining an aqueous dispersion of colored resin particles by forming colored resin particles by a wet method; a process of obtaining the colored resin particles in wet state (wet cake) by supplying the aqueous dispersion of the colored resin particles to a belt filter and performing solid-liquid separation; and a process of drying the wet cake, wherein a filter cloth continuous running type belt filter is used as the belt filter in the process of obtaining the wet cake, and the filter cloth continuous running type belt filter has a separation-washing mechanism, in which the aqueous dispersion of the colored resin particles is supplied on a lower filter cloth of the belt filter, the colored resin particles are separated followed by washing, and thus the wet cake is formed, and a pressure-ventilation mechanism, in which the wet cake is covered with an upper filter cloth, the wet cake, disposed between the upper and lower filter cloths, is ventilated while pressure is applied to the wet cake, and thus the wet cake having low percentage of moisture content is obtained.04-01-2010
20100319212PRODUCTION PROCESS OF TONER - A production process of a toner, wherein wet colored resin particles are poured into a rotary vane type agitating device having a structure that an agitating vane fixed to a rotating drive shaft extending through a bottom wall of an agitation vessel is arranged at a bottom of the agitation vessel, and at least one gas inlet port and at least one gas outlet port are arranged at a lower portion of the agitation vessel and an upper portion of the agitation vessel, respectively, the wet colored resin particles are dried by a method, in which the wet colored resin particles are agitated by the rotary vane within the agitation vessel while supplying a heated gas, thereby forming a fluidized bed, and a mixed gas containing water is discharged from the gas outlet port to the outside, and at that time, drying conditions are controlled in such a manner that the temperature of the gas discharged falls within a range from 20 to 60° C.12-23-2010

Patent applications by Hisashi Kurokawa, Tokyo JP

Kiyoshi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20080263683Megsin/Rage/Inos-Overexpressing Renal Disease Model Animals and Methods for Evaluating Compounds Using the Model Animals - Triple Tg (megsin/RAGE/iNOS-Tg) was created by crossing megsin-Tg with RAGE/iNOS-Tg. The megsin/RAGE/iNOS-Tg develops marked pathologies of diabetic nephropathy unfound in conventional models at early stages, and various pathological conditions such as glomerular hypertrophy were observed uniformly in the megsin/RAGE/iNOS-Tg mice. In addition, it was also found that animals exhibiting these symptoms were useful as a disease model animal for diabetic nephropathy. Specifically, the disease model animals of the present invention overexpress the megsin gene, a gene encoding the receptor for advanced glycation end-products, and an inducible nitric oxide synthase gene. As a result, accompanying kidney function disorders of glomerular failure develop at early stages.10-23-2008

Koji Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090080926IMAGE FORMING APPARATUS - An image forming apparatus is supplied that can obtain a correct temperature inside an image forming section and can perform an optimum temperature control so that it is possible to prevent remainder toner on the surface of the image carrying body from solidifying. In the image forming apparatus, in order to heat and fix toner image onto print medium, an image forming section forms the toner image on surface of an image carrying body; a conveying section conveys the print medium; a transferring section transfers the toner image on the image carrying body onto the print medium conveyed by the conveying section; a fixing section heats and fixes the toner image transferred on the print medium; a fixing section temperature detection section detects a temperature of the fixing section; an apparatus controlling section controls the temperature of the fixing section on the basis of a detection result of the fixing section temperature detection section; and an inner temperature detection section detects an image forming apparatus inner temperature, wherein the inner temperature detection section is set up in a location outside the image forming section, where temperature changes due to a heat influence from the fixing section as that a toner accommodating portion inside the image forming section has the same heat influence, and the apparatus controlling section sets a temperature setting value of the fixing section on the basis of a detection result of the inner temperature detection section.03-26-2009

Makoto Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100326579STUDLESS TIRE - The present invention is intended to provide a studless tire capable of enhancing straight-running stability with a low tread rigidity.12-30-2010

Masaaki Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20120119733INSPECTION DEVICE - An inspection device that is capable of inspecting all heat-transfer-tube sealing portions in a steam generator and that is also capable of analyzing a defect shape is provided. An inspection device that employs the eddy-current flaw detection method to inspect the presence/absence of a defect in a welded portion (05-17-2012
20120123699FLAW-DETECTION APPARATUS AND FLAW-DETECTION METHOD - Noise included in detection signals is distinguished with a simple configuration. Provided is a flaw-detection apparatus (05-17-2012

Masahiro Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100196794ELECTRODE FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, AND FUEL CELL - Provided are: an electrode for a fuel cell, which is obtained by impregnating a supporting base with a vinyl polymer composition and a fuel cell catalyst, the vinyl polymer composition in which a vinyl polymer A having at least one kind of crosslinkable group selected from the group consisting of an epoxy group and an isocyanate group protected by a protecting group and a vinyl polymer B having at least one kind of crosslinkable group selected from the group consisting of a hydroxyl group, a carboxyl group, and an amino group are contained, and at least one of the vinyl polymer A and the vinyl polymer B has an acidic group forming a salt, reacting the crosslinkable group of the vinyl polymer A with the crosslinkable group of the vinyl polymer B, and then subjecting the salt to proton exchange; a method for producing the same; and a fuel cell including an electrolyte membrane and the electrode for a fuel cell.08-05-2010

Masaki Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090104760VERTICAL CVD APPPARATUS FOR FORMING SILICON-GERMANIUM FILM - A vertical CVD apparatus is arranged to process a plurality of target substrates all together to form a silicon germanium film. The apparatus includes a reaction container having a process field configured to accommodate the target substrates, and a common supply system configured to supply a mixture gas into the process field. The mixture gas includes a first process gas of a silane family and a second process gas of a germane family. The common supply system includes a plurality of supply ports disposed at different heights.04-23-2009
20110057114Electron beam lithography apparatus and electron beam lithography method - An electron beam lithography apparatus includes an electron gun emitting an electron beam, a deflector deflecting the electron beam, a focus corrector correcting a focus of the electron beam, a storage unit storing exposure data, and a controller correcting the exposure data based on a constant correction coefficient independent of time passage and a fluctuating correction coefficient changing with time, calculates a deflection efficiency indicating a relation between an input signal to the deflector and an amount of beam deflection, and a correction intensity indicating a relation between an input signal to the focus corrector and a beam focus, and writes the electron beam on a sample according to the deflection efficiency and the correction intensity.03-10-2011

Patent applications by Masaki Kurokawa, Tokyo JP

Masako Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20110183992THERAPEUTIC AGENT FOR MIGRAINE - Provided are therapeutic and/or preventive agents for migraine which comprise, as an active ingredient, a compound having a selective adenosine A07-28-2011

Masayuki Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100003083DIVING EQUIPMENT - Diving equipment easily operable by disabled persons, aged persons, etc. and wearable by oneself. The diving equipment such as buoyancy controlling device (BCD) has the function to hold a tank on the shoulder of a wearer and the function as a life jacket providing buoyancy to the wearer. In the diving equipment (BCD) of which the overall is formed in a vest-like shape, a tank holding part (01-07-2010

Mineo Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20080207617Quinoline Derivatives and Quinazoline Derivatives Inhibiting Autophosphrylation of Flt3 and Medicinal Compositions Containing the Same - An objective of the present invention is to provide compounds and pharmaceuticals useful for the treatment of disease where the inhibition of autophosphorylation of FMS-like tyrosine kinase 3(Flt3) is therapeutically effective. The present invention relates to a pharmaceutical composition for use in the treatment or prevention of diseases where the inhibition of autophosphorylation of Flt3 therapeutically or prophylactically effective, which comprises a compound represented by formula (I) or a pharmaceutically acceptable salt or solvate thereof:08-28-2008

Osamu Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20110268277COMMUNICATION SYSTEM, FEMTOCELL BASE STATION, AUTHENTICATION APPARATUS, COMMUNICATION METHOD, AND RECORDING MEDIUM - A communication system for solving a problem, in which secure communications security cannot be ensured in communications between a femtocell base station and UE, is provided. The communication system includes UE (User Equipment) and an HLR (Home Location Register) used in an IMS (IP Multimedia subsystem) network and a femtocell base station (Femto AP) that constructs a predetermined communication area. The femtocell base station exists between the UE and the HLR, acquires a concealment key corresponding to the UE from the HLR during authentication of the UE, and executes a concealment process to conceal the identity of the UE based on the concealment key.11-03-2011
20110269420COMMUNICATION SYSTEM, FEMTO BASE STATION, CALL SESSION CONTROL SERVER, HOME SUBSCRIBER SERVER, COMMUNICATION METHOD, AND PROGRAM - A communication system of the present invention is a communication system connected to a public communication network including emergency organization communication apparatus (11-03-2011
20110269427FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM - A Femtocell base station has a determination means and a transmission means. The determination means, upon receiving a location update request message from UE (User Equipment), determines whether a first message that prompts the UE to again attempt a location update should be transmitted to the UE, whether a second message that prompts the UE to divert to another network should be transmitted to the UE, or whether a third message that notifies the UE that the location update request is accepted should be transmitted to the UE. The transmission means transmits to the UE either the first message, or the second message, or the third message in accordance with the determination of the determination means.11-03-2011
20110269483COMMUNICATION SYSTEM, FEMTO ACCESS POINT AND COMMUNICATION METHOD - A Femto Access Point includes determination means for determining whether or not called side user equipment is accommodated in the Femto Access Point; and communication control means for, if the determination means has determined that the called side user equipment is accommodated in the Femto Access Point, sending out a Ring Back Tone to calling side user equipment.11-03-2011
20110305196COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AUTHENTICATION DEVICE, COMMUNICATION METHOD, AND MEMORY MEDIUM - A communication system that includes at least UE and an HLR that are used in an IMS network further includes: a Femto-cell base station that makes up a predetermined communication area, and a control unit for controlling at least communication between the UE and the HLR. The Femto-cell base station and the control unit are present between the UE and the HLR. The Femto-cell base station includes a transmission unit for transmitting messages received from the UE to the control unit and for transmitting messages received from the control unit to the UE. The control unit converts messages received from the Femto-cell base station to messages that can be recognized by the HLR, and converts messages received from the HLR to messages that can be recognized by the UE.12-15-2011
20120002649COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AND COMMUNICATION METHOD - A femto-cell base station acquires an IP address of a CS-dedicated relay device from a first management device, connects to the CS-dedicated relay device based on the acquired IP address of the CS-dedicated relay device, and establishes a first IPsec Tunnel between the femto-cell base station and the CS-dedicated relay device. The femto-cell base station also acquires an IP address of a PS-dedicated relay device from a second management device through the first IPsec Tunnel, connects to the PS-dedicated relay device based on the acquired IP address of the PS-dedicated relay device, and establishes a second IPsec Tunnel between the femto-cell base station and the PS-dedicated relay device.01-05-2012

Satoru Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090100677IMPRINTING METHOD, INFORMATION RECORDING MEDIUM MANUFACTURING METHOD, AND IMPRINTING SYSTEM - An imprinting method which is capable of forming desired concave/convex patterns on opposite surfaces of a substrate with high accuracy while making it possible to easily peel both stampers off the substrate after completion of a pressing process. As one stamper formed with one concave/convex pattern and the other stamper formed with the other concave/convex pattern for transferring the respective patterns to opposite surfaces of a substrate, there used are one stamper and the other stamper which have similar shapes in plan view and plane areas larger than that of the substrate. The one and the other stampers are pressed against opposite surfaces of the substrate, respectively, such that at least part of an outer periphery of one of the two stampers does not overlap the other in a direction of a thickness of the substrate.04-23-2009

Shingo Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100053107INFORMATION INPUT DEVICE, INFORMATION INPUT METHOD, INFORMATION INPUT/OUTPUT DEVICE, AND INFORMATION INPUT PROGRAM - An information input device is provided, which may perform highly-convenient processing in response to input of information with an external proximity object. The information input device includes: an input panel having a detection function of detecting an external proximity object, to be used in a state of being placed on a display panel; a position detection section detecting position and area value of the external proximity object based on a detection signal of the external proximity object obtained by the input panel; and an image generation section generating display data to be utilized to display an image including a display object, in such a manner that size of the display object displayed on the display panel at the detected position of the external proximity object is allowed to vary in accordance with the detected area value of the external proximity object.03-04-2010

Shuji Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090146786MEASURING DEVICE - [Problem to be Solved] To provide a measuring device preferable to enhance capability of pickup processing when picking up each chip of a plate-shaped member individually separated into a form of chips.06-11-2009

Takashi Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20090180099Distance Measuring System - The distance detector 07-16-2009

Tomoyasu Kurokawa, Tokyo JP

Patent application numberDescriptionPublished
20100245630IMAGING APPARATUS HAVING A ZOOM FUNCTION - In a digital camera, when the shutter is half-depressed, a controlling section 09-30-2010
20110097070HOUSING STRUCTURE AND ELECTRONIC DEVICE - A structure of a housing mounted with a lens unit is provided that is capable of withstanding internal pressure changes and ensures shock-resistance while being waterproof and thin. This structure for a housing includes a lens unit 04-28-2011

Patent applications by Tomoyasu Kurokawa, Tokyo JP