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Kawasumi, JP

Akito Kawasumi, Toyota-Shi JP

Patent application numberDescriptionPublished
20110229790FUEL CELL MODULE AND FUEL CELL STACK - A fuel cell stack and fuel cell modules that constitute such a fuel cell stack are provided, wherein adhesion of foreign materials to an electrolyte membrane of each fuel cell can be effectively prevented, and highly efficient maintenance is possible by replacing a fuel cell with degraded performance out of the fuel cell stack. A plurality of fuel cells 09-22-2011

Atsushi Kawasumi, Sumoto City JP

Patent application numberDescriptionPublished
20100194398RECHARGEABLE BATTERY ABNORMALITY DETECTION APPARATUS AND RECHARGEABLE BATTERY APPARATUS - The rechargeable battery abnormality detection apparatus is provided with an internal short circuit detection section (08-05-2010
20100213891BATTERY PACK UPDATING METHOD - The battery pack updating method updates firmware stored in internal control circuit memory 08-26-2010

Atsushi Kawasumi, Sumoto-Shi JP

Patent application numberDescriptionPublished
20110133697BATTERY PACK CAPABLE OF CALCULATING RELATIVE REMAINING CAPACITY - A remaining capacity calculating section is provided that acquires a discharged capacity of a rechargeable battery based on a discharging current and a discharging time of the rechargeable battery, and calculates a relative remaining capacity of the rechargeable battery based on the discharged capacity and the fully-charged capacity of the rechargeable battery. The remaining capacity calculating section employs the rating capacity of the rechargeable battery or a learned fully-charged capacity as the fully-charged capacity when a high capacity mode is selected, and employs a capacity obtained by multiplying the rating capacity or learned fully-charged capacity by a predetermined factor not more than 1 as the fully-charged capacity when a long life mode is selected.06-09-2011

Atsushi Kawasumi, Hyogo JP

Patent application numberDescriptionPublished
20090153104Charging method - A charging method includes first and second charging steps to charge a lithium-ion battery. In the first charging step, a temperature rise gradient of the battery to a current is detected. A battery temperature when the battery is charged to a first predetermined capacity is predicted based on the gradient. A charging current is controlled based on the predicted temperature. The battery is charged, at a current that brings a battery temperature lower than a predetermined temperature, to the first predetermined capacity. In the second charging step, a temperature rise gradient of the battery is detected. A battery temperature when the battery is charged to a second predetermined capacity is predicted based on the gradient. A charging current is controlled based on the predicted temperature. The battery is charged, at a current that brings the temperature of the battery lower than the predetermined temperature, to the second predetermined capacity.06-18-2009
20090176146Battery pack - The battery pack is provided with an analog front-end 07-09-2009

Hisashi Kawasumi, Osaka-Shi JP

Patent application numberDescriptionPublished
20100228026NOVEL MALONIC ACID SULFONAMIDE DERIVATIVE AND PHARMACEUTICAL USE THEREOF - The invention provides a sulfonyl malonamide derivative, or a pharmacologically acceptable salt thereof or a solvate thereof, that has therapeutic and/or preventive effect(s) on various diseases due to its agonist action at AT09-09-2010

Ikue Kawasumi, Saitama-Ken JP

Patent application numberDescriptionPublished
20090198430Control apparatus and method and control unit - A control apparatus capable of ensuring high control accuracy even if a controlled object is in a transient state, when a control input is calculated based on a value obtained by correcting a value calculated by a feedforward control method using a value calculated by a feedback control method. The control apparatus calculates a fuel correction coefficient such that an output from an oxygen concentration sensor converges to a target output, and multiplies a basic injection amount by the coefficient to calculate a fuel injection amount. The basic injection amount is selected from three values according to the cause of a mapping error. Two of them are calculated by searching respective maps according to corrected throttle valve opening values and engine speed. The other is calculated by multiplying a value obtained by searching a map according to the opening and the speed by a correction coefficient.08-06-2009

Patent applications by Ikue Kawasumi, Saitama-Ken JP

Ikue Kawasumi, Saitama JP

Patent application numberDescriptionPublished
20080269955Electronic control system for controlling plant temperature - Nonlinear functions (table and map) of a temperature estimation model are corrected based on outputs from a temperature sensor. An electronic control system calculates, for a plant model constructed to calculate an estimated temperature value of the plant, an estimated temperature value using a correlation model between a first parameter regarding the plant and a second parameter regarding the plant model. This control system controls the temperature of the plant based on the calculated estimated temperature value of the plant. The control system also defines a plurality of functions (Wi) in a range of a plurality of the first parameters for the correlation model, calculates correction coefficients (Kli, Kci) that adjust the height of the plurality of functions based on the output of the temperature sensor and the calculated estimated temperature value of the plant, and corrects the correlation model by the plurality of functions (Wi) and correction coefficients (Kli, Kci).10-30-2008
20080306673EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust emission control device for an internal combustion engine, capable of supplying a just enough amount of reducing agent to a selective reduction catalyst even when a NOx purification ratio of the catalyst is changed by various causes, thereby enabling a high NOx purification ratio and very low exhaust emissions to be maintained. An ECU calculates a filtered value based on a signal from an exhaust gas concentration sensor, calculates a moving average value of a product of the filtered value and a reference input, calculates a control input such that the moving average value becomes equal to 0, and adds a reference input to the control input to calculate an FB injection amount. The ECU calculates an FF injection amount with a predetermined feedforward control algorithm, and adds the FF injection amount to the FB injection amount, to thereby calculate a urea injection amount.12-11-2008
20100100304ELECTRONIC CONTROL UNIT FOR CONTROLLING FUEL INJECTION IN EXPANSION AND/OR EXHAUST STROKES - An ECU controls to inject a small amount of fuel in an expansion/exhaust stroke under constraint of the minimum fuel injection capability of an injector at the time of warming-up of a catalyst. The ECU controls injection of fuel in expansion/exhaust strokes (expansion/exhaust stroke injection) at the time of warming-up of a catalyst. Fuel injection control is performed so that when temperature of the catalyst becomes higher than a predetermined temperature, fuel injection in the expansion/exhaust strokes is performed for a period of a predetermined ratio in a selected cycle period. The expansion/exhaust stroke injection is not performed in the other period. By effectively utilizing oxygen absorbed on the catalyst, while suppressing slip HC, the activation time of the catalyst can be shortened.04-22-2010
20110041480EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE - An exhaust purification apparatus for internal combustion engine having a selective reduction catalyst that while maintaining a high NOx reduction ratio, inhibits any ammonia discharge downstream of the selective reduction catalyst. In the exhaust purification apparatus (02-24-2011

Patent applications by Ikue Kawasumi, Saitama JP

Katsuyuki Kawasumi, Kakegawa-Shi JP

Patent application numberDescriptionPublished
20090307886Method and Device for Processing Crankshaft and Burnishing Roller for Crankshaft - A pair of burnishing rollers formed in a roughly disk shape are linearly disposed oppositely to each other on both sides of the shaft part of a crankshaft. The crankshaft is rotated about its axis by the rotatingly driving action of a rotating driving source (M). The pair of burnishing rollers are displaced in a direction apart from each other while the shaft part of the crankshaft is held by the outer peripheral surfaces of the pair of burnishing rollers to apply a rolling to the crankshaft.12-17-2009

Katuhiko Kawasumi, Tokyo JP

Patent application numberDescriptionPublished
20110256685METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - A film structure including at least one film is formed on a face of a semiconductor substrate and then a first mask with a pattern is formed on the film structure. A second mask is formed so as to cover the first mask over a bevel region. The film structure is etched using the first and second masks and thereafter the remaining first and second masks are removed away.10-20-2011

Kenji Kawasumi, Kanagawa JP

Patent application numberDescriptionPublished
20120023551INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM - An information processing system includes an external system having an external server managing public information, and an internal system having an internal server managing secure information and a terminal outputting information. The external server sends an information generating module to the terminal at an acquisition request source, and the terminal executes the received information generating module, in order to generate information to be provided, using the public information acquired from the external server and the secure information acquired from the internal sever.01-26-2012

Kenta Kawasumi, Shizuoka JP

Patent application numberDescriptionPublished
20100170973PULVERIZING AND COARSE POWDER CLASSIFYING APPARATUS AND FINE POWDER CLASSIFYING APPARATUS - A pulverizing and coarse powder classifying apparatus including: a mechanical pulverizer that pulverizes a powder raw material, a cyclone that collects pulverized powder, and a coarse powder classifier that separates coarse powder from the collected powder, wherein the coarse powder classifier is a cyclone classifier including a dispersion chamber equipped with a center core and used for dispersing the powder, and a classification chamber equipped with a separator core, and wherein the center core has at its center a fine powder discharge pipe.07-08-2010

Masaaki Kawasumi, Toyoake JP

Patent application numberDescriptionPublished
20090126383Device equipped with cooling mechanism - To prevent incorrect operation of an operating member provided in an electric component box without giving complicated processing on a front panel. An opening formed in the front portion of a housing (05-21-2009
20090173090Down Flow Type Ice Making Machine - A down flow type ice making machine in which an ice storage detector is protected against damage and occurrence of failure can be suppressed. An ice storage bin (07-09-2009

Masaaki Kawasumi, Aichi JP

Patent application numberDescriptionPublished
20100115981SPRINKLE GUIDE OF WATER TRICKLE ICE-MAKING MACHINE - A sprinkle guide provided above an ice making plate (05-13-2010

Masahiro Kawasumi, Shizuoka JP

Patent application numberDescriptionPublished
20090116915MACHINE TOOL - A machine tool includes: a main spindle adapted to be rotatable with a workpiece chucked thereby; a tool spindle capable of moving in directions of three axes perpendicular to each other and capable of pivoting about one of the axes, the axis being perpendicular to the main spindle; an automatic tool changer adapted to detachably attach a first tool and a chucking unit to the tool spindle, the first tool being used for machining the workpiece chucked by the main spindle, the chucking unit being used for chucking the workpiece; and a tool post having a second tool mounted thereon, the second tool being used for machining the workpiece chucked by the chucking unit attached to the tool spindle.05-07-2009

Masanori Kawasumi, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080226311DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS USING THE DEVELOPMENT DEVICE - A novel development device includes a developer roller, a developer reservoir, a rotatable conveyor, and a replenisher unit. The developer roller is configured to supply toner particles to the electrostatic latent image. The developer reservoir is configured to hold the developer therewithin for application to the developer roller. The rotatable conveyor is configured to rotate within the developer reservoir to convey the developer toward the developer roller. The replenisher unit has a tubular member terminating at a port opening in the developer reservoir. The replenisher unit is configured to direct a particulate material through the tubular member into the developer reservoir via the port. The particulate material is toner particles, carrier particles, or a mixture of toner particles and a given amount of carrier particles. The port is submerged in the developer within the developer reservoir as the rotatable conveyor rotates.09-18-2008
20100278558ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND APPARATUS - The image forming apparatus includes a latent image bearing member; a charging device charging the surface of the latent image bearing member; a latent image forming device forming an electrostatic latent image on the surface of the latent image bearing member; a developing device supplying toner to the electrostatic latent image to form a toner image; a cover film supplying device supplying a cover film to the surface of the latent image bearing member at a cover film supplying position located on an upstream side from the development position so that the toner image is formed on the cover film covering the surface of the latent image bearing member; and a cover film separating device separating the cover film bearing the toner image thereon from the surface of the image bearing member before the cover film bearing the toner image thereon reaches the cover film supplying position.11-04-2010
20110013950IMAGE FORMING APPARATUS - An image forming apparatus includes a first image carrier, a second image carrier, an intermediate transfer member disposed facing the second image carrier, a conveyance belt to transport a transfer sheet, disposed facing both the first image carrier and the intermediate transfer member, a first transfer member to transfer a first toner image formed on the first image carrier onto the transfer sheet, a second transfer member to transfer a second toner image formed on the second image carrier onto the intermediate transfer member, and a third transfer member disposed downstream from the second image carrier in a rotation direction of the intermediate transfer member, to transfer the second toner image from the intermediate transfer member onto the transfer sheet transported by the conveyance belt. The first image carrier and the intermediate transfer member inflect the conveyance belt at a first inflection angle and a second inflection angle, respectively.01-20-2011

Patent applications by Masanori Kawasumi, Yokohama-Shi JP

Masanori Kawasumi, Kanagawa JP

Patent application numberDescriptionPublished
20080286013DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS - A developer container has a main part accommodating a developer therein and is detachably attached to a main part of an image forming apparatus. The developer container comprises an outlet provided at a side of the developer container to discharge the developer from the developer container. An input unit is provided adjacent to the outlet and has a small-diameter portion an inside diameter of which is smaller than a diameter of the container main part wherein, when the developer container is attached to the image forming apparatus, the input unit is engaged with a drive motor of the image forming apparatus to receive a rotating force of the drive motor. A developer guiding unit causes the developer inside the developer container to be moved to the outlet beyond the small-diameter portion of the input unit by rotation of the developer container.11-20-2008
20090087213CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER - A charging device, a process cartridge, and an image forming apparatus are provided. The charging device includes a charging roller configured to charge an image carrier and a cleaning roller configured to clean the charging roller while making contact with a surface of the charging roller. The charging device further includes a bearing member including a first portion configured to rotatably support a rotational shaft of the charging roller and a second portion configured to rotatably support a rotational shaft of the cleaning roller. The charging device also includes an elastic member provided outside of the second portion of the bearing member with respect to an axial direction of the rotational shaft of the cleaning roller such that the charging roller makes contact with the image carrier when the first portion of the bearing member is pressed by the elastic member.04-02-2009
20090175660DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS - A developer container has a main part accommodating a developer therein and is detachably attached to a main part of an image forming apparatus. The developer container comprises an outlet provided at a side of the developer container to discharge the developer from the developer container. An input unit is provided adjacent to the outlet and has a small-diameter portion an inside diameter of which is smaller than a diameter of the container main part wherein, when the developer container is attached to the image forming apparatus, the input unit is engaged with a drive motor of the image forming apparatus to receive a rotating force of the drive motor. A developer guiding unit causes the developer inside the developer container to be moved to the outlet beyond the small-diameter portion of the input unit by rotation of the developer container.07-09-2009
20110026973DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS - A developer container has a main part accommodating a developer therein and is detachably attached to a main part of an image forming apparatus. The developer container comprises an outlet provided at a side of the developer container to discharge the developer from the developer container. An input unit is provided adjacent to the outlet and has a small-diameter portion an inside diameter of which is smaller than a diameter of the container main part wherein, when the developer container is attached to the image forming apparatus, the input unit is engaged with a drive motor of the image forming apparatus to receive a rotating force of the drive motor. A developer guiding unit causes the developer inside the developer container to be moved to the outlet beyond the small-diameter portion of the input unit by rotation of the developer container.02-03-2011
20110058832IMAGE FORMING APPARATUS - By using a black-image forming device, an abrasive pattern is formed on a sheet conveying belt so that toner is input to a contact section where a cleaning blade is in contact with the sheet conveying belt. After the toner is input to the contact section where the cleaning blade is in contact with the sheet conveying belt and then the sheet conveying belt makes one or more revolutions, a process control is performed in which Y, M, and C tone patterns and B tone pattern are transferred onto the sheet conveying belt.03-10-2011
20110164895IMAGE FORMING APPARATUS - An image forming apparatus that has a monochrome mode and a full color mode as image forming modes, includes: a power supply unit configured to supply power thereto; a main power switch configured to turn on and off the power supply unit; a mode switching unit configured to selectively and manually be switched between the monochrome mode and the full color mode, wherein the main power switch and the mode switching unit are integrally formed as one mode switch; a power supply interrupting unit configured to interrupt power supply to a part that is necessary to form an image in a mode other than the monochrome mode, when the mode switch is set to the monochrome mode.07-07-2011
20110229232LUBRICANT APPLYING DEVICE, IMAGE FORMING APPARATUS, PROCESS UNIT, AND SOLID LUBRICANT - A lubricant applying device includes: a solid lubricant; an applying member that applies lubricant powder scraped off from the solid lubricant to an application target; a holding member that holds the solid lubricant; a biasing unit that biases the holding member to bring the solid lubricant on the holding member into contact with the applying member; and a regulating unit that regulates, when a force of a direction orthogonal to an endless movement direction of the applying member is applied from the applying member to the solid lubricant at a frictional surface therebetween, movement of the solid lubricant and the holding member in the orthogonal direction.09-22-2011
20110249991DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS - An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus, depending on an angular position of a rotatable cap of the toner container. The rotatable cap has a handle attached thereto. There is a toner container holder to support the toner container which permits the cap of the toner container to rotate. The image forming apparatus has a cover to selectively cover and uncover the toner container. There is also a device which moves with movement of the cover which interacts with the handle of the toner container.10-13-2011
20110262179CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER - A cleaning roller cleaning a surface of a cleaning component, wherein the cleaning roller is provided in a roller configuration having a cylindrical shape and has a portion in contact with the cleaning component, the portion being made of a melamine resin foam having a continuous foam structure, the melamine resin foam being provided by heating compression from an original configuration in a radial direction, and wherein the portion in contact with the cleaning component has a continuous foam structure and a tensile strength in a range of 1.7±0.5 kg/cm10-27-2011

Patent applications by Masanori Kawasumi, Kanagawa JP

Masaya Kawasumi, Anjyo-Shi JP

Patent application numberDescriptionPublished
20090191442Electrolyte, production process therefor, electrolyte membrane, production process therefor, catalyst layer and fuel cell - An electrolyte having a structure where a fluorinated hydrophilic segment A represented by -E07-30-2009
20100197815Polyparaphenylene Hydrocarbon Electrolyte, Manufacture Method Therefor, and Polyparaphenylene as well as Electrolyte Membrane, Catalyst Layer and Solid Polymer Fuel Cell - A polyparaphenylene hydrocarbon electrolyte having a structure represented by a formula (1), a manufacture method therefore, and a polyparaphenylene usable as a raw material for manufacturing the polyparaphenylene hydrocarbon electrolyte, as well as a electrolyte membrane, a catalyst layer and a solid polymer fuel cell that employ the polyparaphenylene hydrocarbon-based electrolyte. In the formula, A is an integer of (1) or greater; B is an integer of 0 or greater; and C is an integer of 1 to 10. X represents a direct bond or an oxygen atom, which is arbitrarily assignable in repetitions. At least one of Y08-05-2010

Patent applications by Masaya Kawasumi, Anjyo-Shi JP

Masaya Kawasumi, Anjo-Shi JP

Patent application numberDescriptionPublished
20090093607Crosslinked type layered metal phosphonate compound, production process therefor, non-crosslinked type layered metal phosphonate compound, production process therefor, as well as stock solution - A process for producing a crosslinked type or non-crosslinked type layered metal phosphonate compound including a reaction step of reacting two or more members selected from organic diphosphonic acids or monophosphonic acids, or derivatives thereof having predetermined conditions and a metal source capable of forming an ion of a hexacoordinate metal atom as a central atom (M) of a metal oxide octahedron upon reaction under the presence of a sulfuric acid catalyst, a crosslinked or non-crosslinked metal phosphonate compound obtained by the process, as well as a stock solution used for the synthesis of the crosslinked or non-crosslinked type layered metal phosphonate compound described above.04-09-2009

Michinori Kawasumi, Toyota-Shi JP

Patent application numberDescriptionPublished
20100269307FIXING STRUCTURE FOR INTERIOR BASE MATERIAL - A fixing structure for a vehicle interior material in accordance with the present invention includes: a first interior base material including a first end portion; a second interior base material including a second end portion disposed adjacent to the first end portion; an ornamental member disposed along an axis defined by the first end portion and the second end portion; and a plurality of joints that indirectly fix the first end portion and the second end portion via the ornamental member.10-28-2010
20100308621STRUCTURE OF MOUNTING IMPACT ABSORPTION MATERIAL FOR USE WITH VEHICLE - An aspect in accordance with the present invention is a structure of mounting an impact absorption material for use with a vehicle. The structure includes: a door trim 12-09-2010

Takayuki Kawasumi, Kanagawa JP

Patent application numberDescriptionPublished
20100040104Vertical cavity surface emitting laser - The present invention provides a Vertical Cavity Surface Emitting Laser including: a first multilayer film reflector; an active layer having a light emission region; a second multilayer film reflector; and a reflectance adjustment layer in this order on a substrate side. The first multilayer film reflector and the second multilayer film reflector have a laminated structure in which reflectance of oscillation wavelength λ02-18-2010
20100231824LIGHT-EMITTING-ELEMENT MOUNTING PACKAGE, LIGHT EMITTING DEVICE, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY DEVICE - A small and thin, light-emitting-element mounting package is provided, in which light emitting elements may by independently controlled despite a side view type package, and a light emitting device using the package is provided. The light-emitting-element mounting package includes a lead frame. The lead frame has at least one set of a structure including a lower conductor layer, an insulating layer and an upper conductor layer in this order, and a mounting area exposed on a surface of the lower conductor layer.09-16-2010
20110062457SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING THE SAME, IMAGE DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A semiconductor light emitting device including an active layer, a compound semiconductor layer on the active layer, a contact layer on the compound semiconductor layer, and an electrode on the contact layer, where the contact layer is substantially the same size as the electrode.03-17-2011

Patent applications by Takayuki Kawasumi, Kanagawa JP

Takehito Kawasumi, Utsunomiya-Shi JP

Patent application numberDescriptionPublished
20110149207IMAGE DISPLAY APPARATUS - An image display apparatus includes an image display element configured to display an image by controlling a polarization state of a polarized light beam. An illumination optical system guides the polarized light beam to the image display element. A polarizing beam splitter disposed between the illumination optical system and the image display element selectively splits polarization of incident light. A projection optical system projects the image displayed by the image display element onto a projection plane. The positional relationship between the polarizing beam splitter and an optical axis of the projection optical system is properly set.06-23-2011

Takuro Kawasumi, Ebina-Shi JP

Patent application numberDescriptionPublished
20090299588CONTROL DEVICE AND CONTROL METHOD FOR CONTINUOUSLY VARIABLE TRANSMISSION - A gear ratio control unit is provided to set a target gear ratio on the basis of an operating condition of the vehicle. The gear ratio control unit controls a drive amount of a step motor such that an actual gear ratio converges with the target gear ratio, and when a deceleration of the vehicle exceeds a predetermined threshold, controls the gear ratio by controlling the drive amount of the step motor such that a predetermined gear ratio is maintained. The gear ratio control unit determines the predetermined threshold on the basis of the actual gear ratio upon detection of an operation of a brake.12-03-2009

Tamio Kawasumi, Chiba-Shi JP

Patent application numberDescriptionPublished
20100144912Foam and Production Method of the Same - A resin foam having fine foam cells is provided at low cost. A method of producing the foam includes preparing a molten resin composition and continuous extrusion foaming of the molten resin composition. The molten resin composition is prepared by melting a resin mixture of resins (A) and (B) by dissolving a foaming agent into the resin mixture. Resins (A) and (B) respectively have appropriately selected glass transition temperatures and resin (B) particles of appropriate diameter are dispersed in resin (A).06-10-2010
20110051053POLARIZING DIFFUSER FILM, METHOD FOR PRODUCING POLARIZING DIFFUSER FILM, AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING POLARIZING DIFFUSER FILM - Disclosed is a film having polarization selectivity and diffusibility, and a means for easily producing the film. The polarizing diffuser film is composed of substantially one kind of crystalline resin having an intrinsic birefringence of not less than 0.1, has a total light transmittance to visible light of 50-90%, a transmission haze to visible light of 15-90% and a transition polarization degree to visible light of 20-90%.03-03-2011

Tatsuya Kawasumi, Kawasaki JP

Patent application numberDescriptionPublished
20090196188FRAME COUNTER CORRECTION APPARATUS, OPPOSING APPARATUS, AND FRAME COUNTER CORRECTION METHOD - A frame counter correction apparatus connected to an Ethernet network, including transmission counter for counting a number of frames to be transmitted; inspection frame generator for generating an inspection frame for measuring a frame loss; and transmission counter correction unit for calculating a difference between a counter value of the transmission counter at a time of generation of the inspection frame and the counter value of the transmission counter at a time of transmission of the inspection frame, and adding a calculated difference value and information for specifying the inspection frame as a correction target to another inspection frame.08-06-2009

Patent applications by Tatsuya Kawasumi, Kawasaki JP

Tetsunori Kawasumi, Nagoya-Shi JP

Patent application numberDescriptionPublished
20100229377IMAGE TAKING SYSTEM AND ELECTRONIC-CIRCUIT-COMPONENT MOUNTING MACHINE - An image taking system including: (a) a CMOS or CCD image sensor; (b) an interest-region setter configured to set regions of interest within an image taking area of the image sensor; (c) an acquiring-condition determiner configured to determine an image-data acquiring condition required for acquiring at least two image data generated in at least two of the regions of interest; and (d) an image-data acquirer configured to acquire the at least two image data. The acquiring-condition determiner includes an exposure-time determining portion configured to determine, as the image-data acquiring conditions, at least two different exposure times required for acquiring the at least two image data generated in the at least two regions of interest. The image-data acquirer includes an exposure-time-based-image-data acquiring portion configured to acquire the at least two image data, such that the acquired at least two image data are based on the at least two different exposure times. Also disclosed is an electronic-circuit-component mounting machine that includes the image taking system.09-16-2010

Yasuyuki Kawasumi, Musashino-Shi JP

Patent application numberDescriptionPublished
20080265926TEST HEAD - Disclosed is a test head comprising: a supporting member configured on an end face of a test head housing on a side of connection with a device under test; a pin electronics circuit disposed in the test head housing, the pin electronics circuit outputting a test signal; flexible wiring including one end connected to the pin electronics circuit and another end provided to elongate onto the supporting member on an outside of the test head housing; and a connection section with a side of the device under test, the connection section annexed on the other end of the flexible wiring, wherein a load loaded at a time of connection of the device under test to the connection section is supported by the supporting member.10-30-2008