Yamawaki, JP
Chiaki Yamawaki, Yao-Shi JP
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20150219450 | FILM THICKNESS MEASUREMENT DEVICE - A measurement head ( | 08-06-2015 |
20150316369 | FILM THICKNESS MEASUREMENT DEVICE - Substrate aluminum detection means ( | 11-05-2015 |
Hayato Yamawaki, Atsugi JP
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20150080574 | Dibenzo[f,h]Quinoxaline Derivative, Method of Synthesizing the Same, Light-Emitting Element, Light-Emitting Device, Electronic Appliance, and Lighting Device - A dibenzo[f,h]quinoxaline derivative in which impurities are reduced and a novel method of synthesizing the dibenzo[f,h]quinoxaline derivative in which impurities are reduced are provided. In addition, a light-emitting element, a light-emitting device, an electronic appliance, or a lighting device with high emission efficiency and high reliability in which the dibenzo[f,h]quinoxaline derivative is used as an EL material is provided. In the synthesis method, a 2-(chloroaryl)dibenzo[f,h]quinoxaline derivative is used as a synthetic intermediate in a synthetic pathway so that an impurity contained in a final product can be removed easily by purification by sublimation. | 03-19-2015 |
20160118614 | LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - A novel light-emitting element or a highly reliable light-emitting element is provided. The light-emitting element includes an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes at least a light-emitting layer. The light-emitting layer includes at least a first organic compound and a second organic compound. The energy for liberating halogen from a halogen-substituted product of the first organic compound in a radical anion state and in a triplet excited state is less than or equal to 1.00 eV. The amount of halogen-substituted product in the second organic compound is not increased with an increase in driving time of the light-emitting element. | 04-28-2016 |
20160118615 | LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE - To provide a novel light-emitting element or a highly reliable light-emitting element. To provide a light-emitting device, a display device, an electronic device, and a lighting device each of which can be manufactured at a low cost. To provide a light-emitting element including an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a light-emitting layer and an electron injection transport layer between the light-emitting layer and the cathode, and the amount of a halogen detected from a material forming the electron injection transport layer is less than or equal to 30 ppm. | 04-28-2016 |
Hideo Yamawaki, Aichi-Ken JP
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20090256618 | SWITCHING ELEMENT DRIVING DEVICE AND SWITCHING ELEMENT DRIVING METHOD - A switching element driving device has a first transistor that decreases the gate voltage of a power element at a faster rate than during a normal turn-off, and a second transistor that decreases the gate voltage of the power element at a slower rate than during a normal turn-off. If the gate voltage detected by the gate voltage monitoring means when an overcurrent in the power element is detected by overcurrent detection means is greater than a predetermined value, the gate voltage is decreased by the first transistor, and then, while the power element remains on, the gate voltage is decreased by the second transistor. If the gate voltage detected by the gate voltage monitoring means when an overcurrent in the power element is detected by overcurrent detection means is less than or equal to the predetermined value, the gate voltage is decreased only by the second transistor. | 10-15-2009 |
Hideo Yamawaki, Toyota-Shi JP
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20100207639 | OPEN TERMINAL DETECTION DEVICE AND SEMICONDUCTOR DEVICE - An open terminal detection device that detects an open terminal, including: a transistor that is supplied with a base current from a current source in which an amount of current supply decreases corresponding to an increase in an external impedance of the terminal; a diode that limits discharge of a base charge of the transistor; and an output circuit that outputs an output signal in coordination with on/off switching of the transistor. | 08-19-2010 |
Hideo Yamawaki, Aichi JP
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20090021294 | Driving device of voltage drive type semiconductor device - A driving device | 01-22-2009 |
Hideyuki Yamawaki, Yokkaichi-Shi JP
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20090159956 | NOR FLASH MEMORY AND METHOD OF MANUFACTURING THE SAME - A NOR flash memory has a plurality of memory cell transistors, wherein each memory cell transistor shares the source diffusion layer with another memory cell transistor adjacent thereto on one side thereof in the column direction and shares the drain diffusion layer with another memory cell transistor adjacent thereto on the other side thereof in the column direction, and the width of the source diffusion layer in the column direction is narrower than the width of the drain diffusion layer in the column direction. | 06-25-2009 |
Hideyuki Yamawaki, Yokkaichi JP
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20150129947 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - A nonvolatile semiconductor storage device includes a NAND string including memory cells disposed in a first direction and a select gate disposed first-directionally adjacent to a first memory cell located at an end of the memory cells. A first gap is disposed between the memory cells and a second gap is disposed between the first memory cell and the select gate. Further, in a cross sectional shape, an upper end of the second gap is higher than an upper end of a first gap and an upper portion of the second gap is curved. | 05-14-2015 |
Hideyuki Yamawaki, Mie JP
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20120032247 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a nonvolatile semiconductor memory device includes a memory cell transistor obtained by sequentially stacking the gate insulation film, the floating gate electrode, the interelectrode insulation film, and the control gate electrode over the channel semiconductor layer. The control gate electrode has a structure obtained by sequentially stacking the semiconductor film, the silicide phase-change suppressing layer, and the silicide film. In addition, the silicide phase-change suppressing layer includes a polycrystalline silicon film in which at least one of C, F, and N is doped in a concentration range of 1×10 | 02-09-2012 |
Hirokazu Yamawaki, Takatsuki-Shi JP
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20140018604 | MOVING OBJECT TRACKING SYSTEM FOR RADIOTHERAPY - In the case where X-ray tubes and X-ray detectors have fixed directions (directions of irradiation and directions of detecting planes), X-ray fluoroscopy can be carried out from various directions by providing two U-shaped tracks for the X-ray tubes and the X-ray detectors, each having two straight tracks arranged opposite each other, and a curved track connected thereto. An increased number of directions for X-ray fluoroscopy can be secured by arranging a U-shaped track rail for the X-ray tubes and a U-shaped track rail for the X-ray detectors opposite each other when seen in plane view. | 01-16-2014 |
Hiroki Yamawaki, Kanagawa JP
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20090102942 | Composition determining apparatus, composition determining method, and program - A composition determining apparatus includes a subject detecting unit configured to detect existence of one or more specific subjects in an image based on image data; and a composition determining unit configured to determine a composition in accordance with the number of subjects detected by the subject detecting unit. | 04-23-2009 |
20090103778 | Composition determining apparatus, composition determining method, and program - A composition determining apparatus includes a subject detecting unit configured to detect one or more specific subjects in an image based on image data; a subject orientation detecting unit configured to detect subject orientation information indicating an orientation in the image of the subject detected by the subject detecting unit, the detection of the subject orientation information being performed for each of the detected subjects; and a composition determining unit configured to determine a composition based on the subject orientation information. When a plurality of subjects are detected by the subject detecting unit, the composition determining unit determines a composition based on a relationship among a plurality of pieces of the subject orientation information corresponding to the plurality of subjects. | 04-23-2009 |
Hiroshi Yamawaki, Oizumi-Machi JP
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20120234037 | OIL SEPARATOR AND REFRIGERATING CYCLE APPARATUS USING THE SAME - An oil separator capable of preventing breakage in a float with an extremely simple configuration is provided. An oil separator is to separate oil in a refrigerant that is discharged from a compressor and return the oil to the compressor. The oil separator includes: a tank, into which a refrigerant discharged from the compressor flows; a float having a hollow therein that is held vertically movably in the tank, the float moving up and down with a change of an oil level in the tank; and a needle valve to return oil in the tank to the compressor in accordance with up/down movement of the float. The float includes an equalizing tube having a lower end that opens at a bottom part in the float and an upper end that opens outside of the float and above the oil level in the tank. | 09-20-2012 |
Hisaki Yamawaki, Minato-Ku JP
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20140123902 | ORGANIC FERTILIZER PRODUCTION SYSTEM - [Problem] To provide an efficient system for manufacturing an organic fertilizer base material that reduces the manual labor involved in treating livestock manure using | 05-08-2014 |
20150223496 | SYSTEM FOR PRODUCING ORGANIC FERTILIZER AND A FEED FROM EXCRETA OF DOMESTIC ANIMAL - This invention provides a system for producing organic fertilizer from excreta of domestic animal obtained by digesting of larvae belonging to Diptera such as | 08-13-2015 |
Kazuko Yamawaki, Isehara JP
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20110042768 | Semiconductor Device and Method for Manufacturing Semiconductor Device - An object is to prevent a reduction of definition (or resolution) (a peripheral blur) caused when reflected light enters a photoelectric conversion element arranged at a periphery of a photoelectric conversion element arranged at a predetermined address. A semiconductor device is manufactured through the steps of: forming a structure having a first light-transmitting substrate, a plurality of photoelectric conversion elements over the first light-transmitting substrate, a second light-transmitting substrate provided so as to face the plurality of photoelectric conversion elements, a sealant arranged so as to bond the first light-transmitting substrate and the second light-transmitting substrate and surround the plurality of photoelectric conversion elements; and thinning the first light-transmitting substrate by wet etching. | 02-24-2011 |
20110049588 | Semiconductor Device and Manufacturing Method Thereof - An object of an embodiment of the disclosed invention is to provide a semiconductor device including a photoelectric conversion element with excellent characteristics. An object of an embodiment of the disclosed invention is to provide a semiconductor device including a photoelectric conversion device with excellent characteristic through a simple process. A semiconductor device is provided, which includes a light-transmitting substrate; an insulating layer over the light-transmitting substrate; and a photoelectric conversion element over the insulating layer. The photoelectric conversion element includes a single crystal semiconductor layer including a semiconductor region having an effect of photoelectric conversion, a semiconductor region having a first conductivity type, and a semiconductor region having a second conductivity type; a first electrode electrically connected to the semiconductor region having the first conductivity type; and a second electrode electrically connected to the semiconductor region having the second conductivity type. | 03-03-2011 |
Kazunori Yamawaki, Hiratsuka-Shi, Kanagawa JP
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20160138933 | Travel Route Display Device, Travel Route Display Method and Travel Route Display Program - A travel route display device ( | 05-19-2016 |
Kenji Yamawaki, Osaka-Fu JP
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20110190254 | CEPHALOSPORIN HAVING CATECHOL GROUP - The present invention provides Cephem compounds which have a wide antimicrobial spectrum and have potent antimicrobial activity against beta-lactamase producing Gram negative bacteria as follows: | 08-04-2011 |
Kenji Yamawaki, Toyonaka-Shi, Osaka JP
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20150344502 | CEPHEM COMPOUND - A compound of the formula: | 12-03-2015 |
Kenji Yamawaki, Osaka JP
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20150299223 | 2-SUBSTITUTED CEPHEM COMPOUNDS - The present invention relates to 2-substituted cephem compounds of Formula (I) having a quaternary ammonium group on the 3-side chain, preferably together with a cathechol group, or pharmaceutically acceptable salts thereof, which exhibit potent antimicrobial spectrum against a variety of bacteria including Gram negative bacteria and/or Gram positive bacteria, corresponding pharmaceutical compositions, methods of making, treatment methods for bacterial infections or uses thereof. | 10-22-2015 |
Kenji Yamawaki, Narita-Shi JP
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20130131165 | PROCESS FOR PRODUCTION OF PURIFIED CHLOROGENIC ACID-CONTAINING PHARMACEUTICAL PREPARATION - Provided is a process for producing a purified chlorogenic acid-containing preparation, which is useful for the production of a chlorogenic acid-containing beverage with reduced developability of turbidity even in an acidic range. | 05-23-2013 |
20140135391 | METHOD FOR MANUFACTURING REFINED CHLOROGENIC ACIDS COMPOSITION - Provided is a method for producing a chlorogenic acids composition having a reduced caffeine content and good taste and favor, capable of efficiently recovering high purity of chlorogenic acids from a chlorogenic acids-containing composition. The method for producing a purified chlorogenic acids composition comprises a step A of bringing a chlorogenic acids-containing composition into contact with a cation exchange resin; a step B of bringing the liquid obtained in the step A into contact with an anion exchange resin; and a step C of bringing an eluent into contact with the anion exchange resin after the step B. | 05-15-2014 |
20150231103 | METHOD FOR MANUFACTURING REFINED CHLOROGENIC ACIDS COMPOSITION - Provided is a method for producing a chlorogenic acids composition having a reduced caffeine content and good taste and favor, capable of efficiently recovering high purity of chlorogenic acids from a chlorogenic acids-containing composition. The method for producing a purified chlorogenic acids composition comprises a step A of bringing a chlorogenic acids-containing composition into contact with a cation exchange resin; a step B of bringing the liquid obtained in the step A into contact with an anion exchange resin; and a step C of bringing an eluent into contact with the anion exchange resin after the step B. | 08-20-2015 |
Kenji Yamawaki, Toyonaka-Shi JP
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20130079319 | CEPHEM COMPOUND HAVING PSEUDO-CATECHOL GROUP - A compound of the formula: | 03-28-2013 |
20130096299 | NOVEL CEPHEM DERIVATIVE - Provided is a cephem compound which has a wide antimicrobial spectrum, and in particular exhibit potent antimicrobial activity against beta-lactamase producing Gram negative bacteria, and pharmaceutical composition comprising the same. | 04-18-2013 |
20130102583 | CEPHEM COMPOUND HAVING CATECHOL GROUP - A compound of the formula: | 04-25-2013 |
20140088302 | NOVEL CEPHEM COMPOUND HAVING CATECHOL OR PSEUDO-CATECHOL STRUCTURE - The present invention provides a novel compound which has a wide antimicrobial spectrum, and in particular exhibits potent antimicrobial activity against beta-lactamase producing Gram negative bacteria. Specifically, the present invention provides a compound of the formula (I): | 03-27-2014 |
20140187535 | SUBSTITUTED BENZIMIDAZOLE-TYPE PIPERIDINE COMPOUNDS AND USES THEREOF - The disclosure relates to Substituted Benzimidazole-Type Piperidine Compounds of Formula (I): | 07-03-2014 |
20140256697 | CEPHEM DERIVATIVE HAVING CATECHOL GROUP - A compound represented by formula (I) or a pharmaceutically acceptable salt thereof wherein A represents a group represented by one of formulae (i)-(iii); B represents a group represented by formula (v) or (vi); and E represents a substituted or unsubstituted heterocyclic group having a cationic nitrogen atom. | 09-11-2014 |
20150291619 | PROCESSES FOR PRODUCTION OF INTERMEDIATES FOR 2-ALKYL CEPHEM COMPOUNDS - The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a salt thereof to give a compound of the formula (II) or a salt thereof wherein each symbol is as defined in the specification. | 10-15-2015 |
20150322066 | SUBSTITUTED BENZIMIDAZOLE-TYPE PIPERIDINE COMPOUNDS AND USES THEREOF - The disclosure relates to Substituted Benzimidazole-Type Piperidine Compounds of Formula (I): | 11-12-2015 |
Kentaro Yamawaki, Mishima-Shi JP
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20150185645 | METHOD FOR PRODUCING TONER PARTICLES - A method for producing toner particles by a suspension polymerization method or a dissolution suspension method comprising: applying an inorganic dispersion stabilizer-containing liquid (liquid A) to a part that can come into contact with a polymerizable monomer composition or toner particle composition, the part being on an inner wall of a vessel used in a polymerization step or a vessel used in a solvent removal step; after the application of the liquid A, carrying out the polymerization step or solvent removal step; discharging the contents of the vessel after the completion of this polymerization step or solvent removal step; and after the contents of the vessel have been discharged, bringing an acidic aqueous solution (liquid B) to dissolve the inorganic dispersion stabilizer into contact with the inner wall of the vessel. | 07-02-2015 |
Kosuke Yamawaki, Shiga JP
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20140027557 | ROTATABLE CONNECTOR DEVICE - A relative rotation restriction unit includes a rotation restriction body for restricting a stator and a rotator, which are in engagement with each other coaxially so as to be rotatable with respect to each other, from rotating with respect to each other at a restriction position, and an urging unit for elastically supporting the rotation restriction body toward the restriction position. | 01-30-2014 |
Masakatsu Yamawaki, Nagasaki JP
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20090032129 | AUTOMATIC FOUR-PORT SELECTOR VALVE - Provided is an automatic four-port selector valve which is capable of controlling a variation in static pressure and a variation in flow rate induced in the switching of air or gas flow passages so that they are within tolerant accuracies, which is further capable of controlling a saliently appearing variation in pressure difference in a clean temperature-controlled/humidity-controlled air supply apparatus, a dry air supply apparatus, etc., so that it is within tolerant accuracy and which is also improved in airtightness and heat-insulating performance, and the present automatic selector valves includes a box body having a space portion inside it, framed partition plates for separating said space portion into four small rooms, the framed partition plates having an opening portion each, plate-shaped turnable valve bodies for opening or closing the opening portions of said framed partition plates, an inflow port for letting a gas flow in through it in any instance, an inflow/outflow port ( | 02-05-2009 |
Masashi Yamawaki, Kasugai JP
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20100253795 | IMAGE PROCESSING DEVICE - When a still picture is picked up by a digital camera, the still picture is divided into a plurality of areas and is processed for each area. After the process of one divided area is completed, then the process of a motion picture obtained from an imaging device. After the process of the motion picture is completed, another divided area of the still picture is processed again. Such switching between a motion picture process and a still picture process is performed until the process of the entire still picture is completed. Thus, after a still picture is picked up by a digital camera, a motion picture can be promptly displayed and a live image picked up by the camera can be displayed on a back LCD screen. | 10-07-2010 |
Masato Yamawaki, Tsukuba-Shi JP
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20120153167 | Positron annihilation characteristics measurement system and method for measuring positron annihilation characteristics - A positron annihilation characteristics measurement system | 06-21-2012 |
Masaya Yamawaki, Tsukuba-Shi JP
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20120024152 | PRESSURE SWING ADSORPTION-TYPE GAS SEPARATION METHOD AND SEPARATION APPARATUS - A method which separates a component which is easily adsorbed by an adsorbent and a component which is not easily adsorbed by the adsorbent, from a feed gas which includes at least two kinds of components, with adsorption columns, wherein the adsorbent is filled in the adsorption columns and has strong adsorbability with respect to at least one kind of component included in the feed gas, and also has weak adsorbability with respect to at least one kind of other components included in the feed gas, and a temperature of the adsorbents which is filled in the column is maintained to be higher than the highest temperature of an ambient temperature around the adsorption columns which is variable throughout the year. | 02-02-2012 |
Masayuki Yamawaki, Katano-Shi JP
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20100254648 | Rolling bearing of oscillation roller and oscillation method of roller - This invention improves a rolling bearing fitted to a shaft supporting section of a roller to realize an oscillation roller. A rolling bearing to be fitted to one of the shaft supporting sections of a roller comprises a collared inner ring and a collared outer ring and a plurality of cylindrical rolls arranged between the inner ring and the outer ring as rolling members and the transversal distance of the surface of the inner ring and/or that of the surface of the outer ring facing the raceway surfaces of the cylindrical rolls is made greater than the axial length of the cylindrical rolls to make the inner ring and/or the outer ring, whichever appropriate, of the rolling bearing axially movable so as to allow the roller to oscillate. As the roller moves axially, the inner ring, the outer ring or the cylindrical rolls moves axially. | 10-07-2010 |
Morimasa Yamawaki, Yokohama-Shi JP
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20090248266 | ENGAGING-FORCE CONTROL APPARATUS AND METHOD - An engaging-force control apparatus for a friction-engagement element controls a slip rotational speed between an input-side rotational speed and an output-side rotational speed of the friction-engagement element by increasing or decreasing an engaging force of the friction-engagement element. The engaging-force control apparatus includes an engaging-force feedback control section configured to control the engaging force of the friction-engagement element to bring the slip rotational speed of the friction-engagement element closer to 0 by way of feedback control; and an engaging-force restricting section configured to restrict the engaging force of the friction-engagement element to prevent the engaging force from exceeding a minimum engaging-force value necessary to maintain the slip rotational speed at 0. | 10-01-2009 |
20090312925 | TORQUE CONVERTER CONTROL DEVICE AND CONTROL METHOD THEREOF - When an upshift is performed while a traveling condition of a vehicle corresponds to a driving condition or a downshift is performed while the traveling condition of the vehicle corresponds to a coasting condition, a second target slip amount is set as a target slip amount for a period extending from the start of gear ratio variation following issuance of a gear position change start command to completion of the gear ratio change, and when a downshift is performed in the driving condition or an upshift is performed in the coasting condition, a first target slip amount is set as the target slip amount for a period extending from issuance of the shift command to completion of the shift. | 12-17-2009 |
Morimasa Yamawaki, Setagaya-Ku JP
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20140129103 | VEHICLE DRIVING DEVICE AND VEHICLE DRIVING METHOD - An output power of the internal combustion engine ( | 05-08-2014 |
20140332333 | DEVICE FOR CONTROLLING AUTOMATIC TRANSMISSION - A device for controlling an automatic transmission including a lock-up clutch control means, and a zero slip control means for bringing a lock-up clutch into a zero slip state immediately before slippage occurs in accordance with a zero slip request outputted during a non-gear shift, wherein in a case where a target slip amount is equal to or smaller than a slip amount threshold value upon transition to the zero slip state, the zero slip control means fixes the target slip amount to a slip amount threshold value and retains the fixed target slip amount for a predetermined period of time, and after the predetermined period of time has elapsed, gradually decreases the target slip amount from the slip amount threshold value to a zero slip amount with a predetermined gradient with time. | 11-13-2014 |
Noboru Yamawaki, Osaka JP
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20090306781 | High Wear-Resistant Bearing Material and Artificial Joint Replacement Using the Same - The present invention provides a bearing material that is excellent in durability and is capable of maintaining wear resistance over a long period of time. The bearing material of the present invention is a high wear-resistance bearing material | 12-10-2009 |
20100262237 | Biomaterial, Joint Prosthesis Using the Biomaterial and Method of Producing the Same - The object of the present invention is to provide a joint prosthesis, bearing material and a production method thereof, which suppresses wear in a sliding section and suppresses the production of abrasive powder even during repeated daily operation. To achieve the object, there is provided a biomaterial comprising: a substrate made of metal, alloy or ceramic; and a biocompatible material layer laminated on the substrate, wherein hydroxyl groups are formed on the substrate by surface-treating, while the biocompatible material layer comprises a polymer containing phosphorylcholine groups, the substrate and the biocompatible material layer are bound via a binder layer which is combined with the hydroxyl groups of the substrate and with the biocompatible material layer. | 10-14-2010 |
20140170331 | BIOMATERIAL, JOINT PROSTHESIS USING THE BIOMATERIAL AND METHOD OF PRODUCING THE SAME - The object of the present invention is to provide a joint prosthesis, bearing material and a production method thereof, which suppresses wear in a sliding section and suppresses the production of abrasive powder even during repeated daily operation. To achieve the object, there is provided a biomaterial comprising: a substrate made of metal, alloy or ceramic; and a biocompatible material layer laminated on the substrate, wherein hydroxyl groups are formed on the substrate by surface-treating, while the biocompatible material layer comprises a polymer containing phosphorylcholine groups, the substrate and the biocompatible material layer are bound via a binder layer which is combined with the hydroxyl groups of the substrate and with the biocompatible material layer. | 06-19-2014 |
Ryuta Yamawaki, Kawaguchi-Shi JP
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20110101796 | VIBRATION ACTUATOR - A vibration actuator includes a coil that extends in a vibration direction and has a flat shape and a magnet that extends in the vibration direction and has a flat shape, so that a case can be made flat or low profile. A weight portion is supported by a shaft, so that, when a drop impact is applied, the weight portion can move along the shaft and the weight portion is not freely moved in the case. A coil spring is disposed between a spring receiving portion and a weight portion. Therefore there is no unnecessary space in the case, so that space can be saved and the vibration actuator can be made compact. | 05-05-2011 |
Seigo Yamawaki, Nagano JP
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20150029679 | CIRCUIT BOARD, PRODUCTION METHOD OF CIRCUIT BOARD, AND ELECTRONIC EQUIPMENT - A method for producing circuit board, including: adhering plastic deformable insulating material onto surface of laminate, which contains second-metal-layer of second metal, and first-metal-layer in pattern on second-metal-layer, and the surface of the laminate is surface of second-metal-layer where first-metal-layer is formed, and surface of first-metal-layer, followed by curing the material, and removing second-metal-layer to form plate structure to which first-metal-layer in pattern is formed; opening hole in cured material from surface of the plate structure opposite to surface thereof where first-metal-layer is formed, until the hole reaches first-metal-layer; filling the hole with electroconductive paste, to form the plate structure filled therewith; and laminating one plate structure filled therewith with the other plate structure filled therewith in manner that first-metal-layer of one plate structure filled therewith faces opening of the hole of other plate structure filled therewith, wherein first-metal-layer contains metal different from second metal. | 01-29-2015 |
Seigo Yamawaki, Kawasaki JP
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20090094824 | METHOD OF PRODUCING SUBSTRATE - The method of producing a substrate comprises the steps of: forming a through-hole in a base member; filling the through-hole with an insulating material; performing electroless plating to coat the surface of the base member, in which the through-hole has been filled with the insulating material, with an electroless-plated layer; applying photo resist on the electroless-plated layer formed on the surface of the base member; optically exposing and developing the photo resist so as to form a resist pattern coating an end face of the through-hole filled with the insulating material; etching an electrically conductive layer formed on the surface of the base member with using the resist pattern as a mask; and removing the resist pattern coating the end face of the through-hole from the base member with using the electroless-plated layer as a release layer. | 04-16-2009 |
20090094825 | METHOD OF PRODUCING SUBSTRATE - The method of producing a substrate comprises the steps of: forming a through-hole in a base member; plating the base member so as to coat an inner face of the through-hole with a plated layer; applying photo resist on the base member; optically exposing and developing the photo resist so as to form a resist pattern, which coats at least a planar area of the through-hole; and etching an electrically conductive layer formed on the surface of the base member. The resist pattern is formed so as to separate an area of exposing the conductive layer a prescribed distance away from an edge of the through-hole, and the prescribed length is longer than a distance of etching a side face of the conductive layer in the etching step. | 04-16-2009 |
20090095509 | CORE SUBSTRATE AND METHOD OF PRODUCING THE SAME - In the core substrate, short circuit between an electrically conductive core section and a plated through-hole section can be securely prevented and cables can be formed in a high dense state. The core substrate comprises: the electrically conductive core section having a pilot hole, through which the plated through-hole section is formed; cable layers being respectively laminated on the both side faces of the core section; a plated layer coating an inner face of the pilot hole; and an insulating material filling a space between the plated layer and an outer circumferential face of the plated through-hole section. | 04-16-2009 |
20090095511 | CIRCUIT BOARD AND METHOD OF PRODUCING THE SAME - The circuit board is capable of tightly bonding a cable layer on a base member even if thermal expansion coefficients of the base member and the cable layer are significantly different. The circuit board comprises: the base member; and the cable layer being laminated on the base member with anchor patterns, which are electrically conductive layers formed on a surface of the base member. | 04-16-2009 |
20090095524 | CORE SUBSTRATE AND METHOD OF PRODUCING THE SAME - The core substrate is capable of securely preventing short circuit between an electrically conductive core section and a plated through-hole section. The core substrate comprises: an electrically conductive core section having a pilot hole, through which a plated through-hole section is formed; electrically conductive layers coating the inner face of the pilot hole and a surface of the core section; a gas purging hole being formed in the conductive layer coating the surface of the core section; an insulating material filling a space between the inner face of the pilot hole and an outer circumferential face of the plated through-hole section; and cable layers being laminated on both side faces of the core section. | 04-16-2009 |
20090098391 | CORE MEMBER AND METHOD OF PRODUCING THE SAME - The core member constitutes a core substrate of a circuit board. The core member comprises: a carbon fiber-reinforced core section, in which prepregs including carbon fibers are thermocompression-bonded; and copper foils being respectively thermocompression-bonded on the both side faces of the carbon fiber-reinforced core section with prepregs including glass fibers. The pregregs including glass fibers are composed of resin, whose melting temperature range is higher than that of resin composing the pregregs including carbon fibers. | 04-16-2009 |
Shigeru Yamawaki, Shioya-Gun JP
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20100299026 | ELECTRIC STEERING SYSTEM FOR RAPIDLY INCREASING DAMPER GAIN AFTER STEERING SPEED EXCEEDS A SPECIFIC VALUE - An electric steering system includes a steering torque measuring device for measuring a steering torque input into a steering system, a steering speed measuring device for measuring a steering speed of the steering system; a target current computing section for computing a target current based on the steering torque measured by the steering torque measuring device, and a control section for applying a steering power to the steering system by driving a motor according to the target current. When the measured steering speed is less than a predetermined speed value, the control section applies damping to the steering system based on the measured steering speed and when it is not the control section performs a control operation of adding a specified steering torque defined when the steering speed is equal to the predetermined speed value and an increment for the steering torque determined in accordance with the steering speed to each other, defining the sum of the addition as a target steering torque, and controlling the target current so that the measured steering torque coincides with the target steering torque. | 11-25-2010 |
20120199414 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus includes a motor control unit for controlling an electric motor operatively connected to a steering shaft. The motor control unit includes a first control unit for controlling a steering torque detected by a torque detecting unit so as to bring the steering torque to zero or to a first predetermined value, and a second control unit for controlling the steering torque detected by the torque detecting unit so as to bring the steering torque to a second predetermined value which is greater than zero or than the first predetermined value, based on an operational quantity detected by an operational-quantity detecting unit or a quantity representative of a vehicle behavior detected by a vehicle-behavior detecting unit. The motor control unit controls the electric motor based on an output signal from the first control unit and an output signal from the second control unit. | 08-09-2012 |
20120232759 | ELECTRIC POWER STEERING DEVICE - An electric power steering device wherein mechanical friction is electrically provided. A steering torque value is detected by a steering torque sensor according to the operation of a steering wheel. An assist current value is calculated by an assist control section on the basis of the steering torque value. A target current value based on the assist current value is determined. For providing friction to the operation of the steering wheel, a friction control section and a friction torque value/current value conversion section generate a corrected steering torque value. A second corrected target current value is created by correcting a first corrected target current value by a friction current value. The corrected steering torque value is obtained by correcting the steering torque value by a friction torque value. The target current value is generated, resulting in a motor being subjected to driving control. | 09-13-2012 |
Shigeru Yamawaki, Saitama JP
Patent application number | Description | Published |
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20090114470 | Electric power steering device - An electric power steering device is configured to transmit an auxiliary torque to a steering unit of front wheels, and includes: an operator; an electric motor configured to generate the auxiliary torque in accordance with at least a steering torque generated by input from the operator; the steering unit of front wheels which includes a pinion shaft; and a rotation terminating mechanism which provides a motion terminating end of the operator, the rotation terminating mechanism being disposed between the operator and the pinion shaft. | 05-07-2009 |
20100121531 | CONTROLLER OF ELECTRIC POWER-ASSIST STEERING SYSTEM - The present invention discloses a controller of an electric power-assist steering system including a torque detector for detecting a torque applied with a steering wheel that steers a steering system; a steering status determining section for determining a steering status of either “turn” or “return” of a steering wheel; and a motor controlling unit for driving a motor n accordance with a target current value calculated based on at least a torque value from the torque detector and the steering status of either “turn” or “return” of the steering wheel from the steering status determining section, wherein the motor controlling unit sets a target current value right after a time when the steering status is switched between “turn” and “return” to be substantially equal to an actual current value right before a time when the steering status is switched between “turn” and “return”. | 05-13-2010 |
20110303480 | ELECTRIC POWER STEERING APPARATUS - In an electric power steering apparatus, an elastic member, disposed between the steering shaft and the housing, configured to be elastically deformed in accordance with rotation or displacement in a vehicle width direction, of the steering shaft. At least two bearings, disposed with a gap in an axial direction of the steering shaft, are configured to support the steering shaft. The elastic member is disposed between the bearings. A supporting member may be disposed between the steering shaft and the elastic member and configured to be displaced by a rotation of a predetermined angle or predetermined distance in accordance with the rotation or a displacement, in the width direction of the vehicle, of the steering shaft with slidable support for the steering shaft. The elastic member is fixed to the supporting member and abuts the housing. | 12-15-2011 |
Shintaro Yamawaki, Koshigaya JP
Patent application number | Description | Published |
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20090293529 | ICE SUPPLYING APPARATUS AND REFRIGERATOR HAVING THE SAME - An ice supplying apparatus | 12-03-2009 |
20130031927 | ICE SUPPLYING APPARATUS AND REFRIGERATOR HAVING THE SAME - An ice supplying apparatus, being provided in a refrigerator, includes an ice maker unit, which is configured to supply ice pieces produced therein to an outside of a freezer room door; an ice storage unit, which is configured to store the ice pieces produced by the ice maker unit; an ice discharger unit, which is provided within the ice storage unit to discharge the ice pieces below; and a shrinking portion, which is provided in the ice storage unit and defines an interior space thereof as small as it goes down, through building up a lower surface, among interior surfaces defining that interior space of the ice storage unit, for supporting the ice pieces stored therein from a lower potion thereof, by a surface inclining to a horizontal direction, wherein the ice discharger unit is disposed in a lower portion of the shrinking portion. | 02-07-2013 |
Taizo Yamawaki, Kanagawa JP
Patent application number | Description | Published |
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20110304388 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND WIRELESS COMMUNICATION SYSTEM - Disclosed are a semiconductor integrated circuit device and a wireless communication system that are capable of improving reception sensitivity. The wireless communication system includes, for instance, a first duplexer, a second duplexer, a first low-noise amplifier circuit, and a second low-noise amplifier circuit. A transmission band compliant with a communication standard is split into two segments for use, namely, low- and high-frequency transmission bands. A reception band compliant with the communication standard is split into two segments for use, namely, low- and high-frequency reception bands. The first duplexer uses the low-frequency transmission band and low-frequency reception band as passbands. The second duplexer uses the high-frequency transmission band and high-frequency reception band as passbands. A signal received from the first duplexer and a signal received from the second duplexer are respectively amplified by the first and the second low-noise amplifier circuits, which are respectively provided to handle such signals. | 12-15-2011 |
Takashi Yamawaki, Shinagawa-Ku, Tokyo JP
Patent application number | Description | Published |
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20160116049 | METHOD FOR MANUFACTURING RACK AND HOLLOW RACK BAR - Method of fabricating a rack including: supporting a first rack bar | 04-28-2016 |
Takashi Yamawaki, Komaki-Shi JP
Patent application number | Description | Published |
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20080229803 | HOLLOW RACK MANUFACTURING METHOD AND MANUFACTURING APPARATUS - With a first push rod which is to be inserted/removed into/from a steel pipe through an opening at one end and a second push rod which is to be inserted/removed into/from the steel pipe through an opening at the other end, a metal core disposed on a side on which the first push rod is inserted/removed into/from the die assembly is sandwiched and this metal core is stopped from rotating with the first push rod. With the state of stopping the rotation of the first push rod, the metal core is introduced into the steel pipe through the opening at the one end by both the push rods. After the metal core is pressed into the steel pipe while stopped from rotating with the first push rod, this metal core is pushed back by the second push rod. | 09-25-2008 |
20080229856 | HOLLOW RACK, HOLLOW RACK END DIAMETER REDUCING METHOD, HOLLOW RACK END DIAMETER REDUCING APPARATUS, AND HOLLOW RACK MANUFACTURING METHOD - The one end side portion is nipped by a jig including a jig member having a pair of convex portions which are to be fitted to a depressions in contact with a tooth side face and a inclined portion and positioning a bar and a jig member which is to be clamped/opened with respect to the jig member. A die having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion of the cylindrical end side portion projected from the jig up to a press-in depth determined preliminarily based on the rack, so as to reduce the diameter of the end portion. | 09-25-2008 |
20120102739 | Hollow Rack End Diameter Reducing Method - The one end side portion is nipped by a jig including a jig member having a pair of convex portions which are to be fitted to a depressions in contact with a tooth side face and a inclined portion and positioning a bar and a jig member which is to be clamped/opened with respect to the jig member. A die having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion of the cylindrical end side portion projected from the jig up to a press-in depth determined preliminarily based on the rack, so as to reduce the diameter of the end portion. | 05-03-2012 |
20120103120 | Hollow Rack and Hollow Rack Manufacturing Method - The one end side portion is nipped by a jig including a jig member having a pair of convex portions which are to be fitted to a depressions in contact with a tooth side face and a inclined portion and positioning a bar and a jig member which is to be clamped/opened with respect to the jig member. A die having an inside diameter smaller than the diameter of the outer periphery is pressed onto the outer periphery of the end portion of the cylindrical end side portion projected from the jig up to a press-in depth determined preliminarily based on the rack, so as to reduce the diameter of the end portion. | 05-03-2012 |
20130125689 | MANDREL, SET OF MANDRELS, AND HOLLOW RACK BAR - The present invention includes a bar having a maximum cross section region smaller than a minimum cross section region of a hollow portion of a pipe P, and projected portions mounted along an axial direction of the bar and including a projected portion with maximum extent Hb, extent Ha of the projected portion positioned at a leading end side of the bar is set to be smaller than extent Hb of the projected portion positioned at a center side in the axial direction, and extent Hc of the projected portion positioned at a base end side of the bar is set to be less than or equal to extent Hb of the projected portion. | 05-23-2013 |
Takashi Yamawaki, Shinagawa-Ku JP
Patent application number | Description | Published |
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20080202270 | MANDREL, SET OF MANDRELS, AND HOLLOW RACK BAR - The present invention includes a bar having a maximum cross section region smaller than a minimum cross section region of a hollow portion of a pipe P, and projected portions mounted along an axial direction of the bar and including a projected portion with maximum extent Hb, extent Ha of the projected portion positioned at a leading end side of the bar is set to be smaller than extent Hb of the projected portion positioned at a center side in the axial direction, and extent Hc of the projected portion positioned at a base end side of the bar is set to be less than or equal to extent Hb of the projected portion. | 08-28-2008 |
20150276037 | HOLLOW RACK BAR AND METHOD OF MANUFACTURING HOLLOW RACK BAR - A hollow rack bar and a method of manufacturing the hollow rack bar are provided. The hollow rack bar includes a hollow blank pipe portion having a uniform wall thickness, and a rack toothed portion. The rack toothed portion includes teeth, a flat portion having a flat surface and arranged side by side with the teeth in a direction along a center axis of the blank pipe portion, and a slanted portion provided at an end of the flat portion with respect to a direction perpendicular to the center axis and arranged to be lower than the flat portion. A length of the slanted portion projected on a straight line perpendicular to the center axis and parallel to the surface of the flat portion is longer than zero and equal to or shorter than the wall thickness of the blank pipe portion. | 10-01-2015 |
Takayuki Yamawaki, Shizuoka JP
Patent application number | Description | Published |
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20090072674 | Stepping Motor - A stepping motor has stators arranged at both end sides in the direction of a shaft of a rotor magnet, each of the stators includes inner and outer yokes having pole teeth opposed to the outer peripheral surface of the rotor magnet, at least the outer yoke among the inner and outer yokes has a tubular bending part, and the bending part is fixed to a cylindrical core made of a magnetic material. | 03-19-2009 |
Takayuki Yamawaki, Nagano JP
Patent application number | Description | Published |
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20080252181 | Small diameter stepping motor, bobbin used therein and manufacturing method thereof - In a small diameter stepping motor including two stator units each including a bobbin formed of an insulating material, each bobbin includes: a circular hollow cylinder portion having a winding; two flanges disposed respectively at the both ends of the cylinder portion; and a terminal structure disposed at one of the two flanges and including two terminal blocks and a pair of electrical contact members at which the lead-out lines of the winding are terminated, wherein the two terminal blocks are circumferentially shifted in position from each other with respect to the cylinder portion axis extend axially outwardly, and the terminal blocks of one bobbin intermesh with the terminal blocks of the other bobbin such that the terminal blocks of the one bobbin overhang a part of the winding wound on the other bobbin and vice versa when the two stator units are coupled to each other. | 10-16-2008 |
Takayuki Yamawaki, Nagano-Ken JP
Patent application number | Description | Published |
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20080315699 | PM stepping motor - A PM stepping motor includes: a stator assembly composed of two stator units which are axially coupled to each other with a molding resin material, and each of which includes: inner and outer yokes each having a plurality of pole teeth; a bobbin including inner and outer flanges; and a coil wound around the bobbin, thus providing two such inner yokes, outer yokes, bobbins and coils in total; a rotor assembly which includes a shaft and a magnet, and which is rotatably disposed in the hollow of the stator assembly; and two bearings to rotatably support the shaft of the rotor assembly, wherein the two bobbins are formed of the molding resin material to be consolidated with the two inner yokes, and wherein a plurality of protrusions are formed of the molding resin material to extend integrally from the outer flange of each of the two bobbins. | 12-25-2008 |
20090001826 | Rotor structure - A rotor includes: a magnet having a circular cylinder shape and having a hole formed through its axial center, wherein the hole has in axial cross section a regular polygonal shape having flat portions and angle portions, and wherein a recess having a truncated cone shape is disposed at an axial end of the magnet such that the recess has its maximum diameter portion located at the axial end and has its minimum diameter portion communicating with the hole; and a shaft fitted in the hole of the magnet, wherein the outer circumference of the shaft makes contact with the flat portions of the hole of the magnet thereby forming a plurality of gaps between the outer circumference of the shaft and the angle portions of the hole of the magnet, and adhesive is filled in the gaps. | 01-01-2009 |
Takayuki Yamawaki, Kitasaku-Gun JP
Patent application number | Description | Published |
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20090066196 | Stepping motor - A stepping motor includes: a stator which includes a cup-like first (outer) yoke having a plurality of notches formed at its bottom plate, a second (inner) yoke, and a bobbin having a coil wound therearound and housed in the annular hollow space formed by the first and second yokes; and a pair of bearings each of which includes a hollow-cylindrical main body and a flange structure having a plurality of protrusions, and is attached to the stator such that the protrusions engage with the notches of the first yoke thereby preventing the bearing from rotating relative to the first yoke, and such that the protrusions make contact with a flange of the bobbin thereby precisely positioning the bearing relative to the first yoke with respect to the axial direction, which prohibits any portions of the bearing from protruding axially outwardly beyond the bottom plate of the first yoke. | 03-12-2009 |
20090267442 | Stator assembly - A stator assembly is provided and includes a laminated core and a one-part insulator having cover walls for covering edges of the laminated core, wherein first projections and a second projection both having a height smaller than the difference between the height of the cover walls and the thickness of the laminated core are formed on one side surface of the insulator in such a manner as to make contact with a part of one axial end side surface of the laminated core, whereby a gap which corresponds to the projection distance of the first and second projections and which serves as a clearance space for chips scraped by the edges of the laminated core from the surfaces of the cover walls is provided between the insulator and the laminated core, resulting in ensuring that the insulator is snap-fitted on the laminated core in good shape. | 10-29-2009 |
Takeharu Yamawaki, Shiga JP
Patent application number | Description | Published |
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20110162301 | Solar Cell Module and Solar Cell Array - It is an object to provide a solar cell module having a uniform configuration, presenting stable output characteristics, and having a size enabling easy wiring in arrangement and a solar cell array presenting stable output characteristics by employment of said solar cell modules. | 07-07-2011 |
20110162689 | Solar Cell Module, Arrangement Structure of the Same, and Method for Arranging the Same - It is an object to provide a solar cell module achieving reduced improper wiring and improved working efficiency. | 07-07-2011 |
Takeharu Yamawaki, Moriyama-Shi JP
Patent application number | Description | Published |
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20160049537 | SOLAR CELL MODULE AND SOLAR CELL ARRAY - It is an object to provide a solar cell module having a uniform configuration, presenting stable output characteristics, and having a size enabling easy wiring in arrangement and a solar cell array presenting stable output characteristics by employment of said solar cell modules. | 02-18-2016 |
Takeshi Yamawaki, Kashiwara-Shi JP
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20150130246 | ANGLE ADJUSTER - An angle adjuster ( | 05-14-2015 |
Takuma Yamawaki, Wako-Shi JP
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20140141356 | MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly includes a solid polymer electrolyte membrane sandwiched between a pair of electrodes. Each of the electrodes has an electrode catalyst layer and a gas diffusion layer, the electrode catalyst layer facing the electrolyte membrane. A porous layer having a thickness of 5 to 40 μm and a seepage pressure of 10 to 60 kPa is interposed between the electrode catalyst layer and the gas diffusion layer. The porous layers preferably have a spring constant of 100 to 1000 GPa/m. The membrane electrode assembly may be devoid of any one of the porous layers. | 05-22-2014 |
Takuma Yamawaki, Wako JP
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20130260277 | DIFFUSION LAYER STRUCTURE OF FUEL CELL - A diffusion layer structure of a fuel cell includes a diffusion layer and a microporous layer. P1/P2 is in a range of 2 to 15 where “P1” is defined as an actual measurement value of pressure drop caused when air penetrates through the diffusion layer having a penetration area of 1.86 cm | 10-03-2013 |
Takuma Yamawaki, Utsunomiya-Shi JP
Patent application number | Description | Published |
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20140295315 | MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly is prepared by sandwiching an electrolyte membrane between an anode and a cathode. In the anode, a first porous layer is interposed between a first electrode catalyst layer and a first gas diffusion layer. In the cathode, a second porous layer is interposed between a second electrode catalyst layer and a second gas diffusion layer. A first piled body of the first gas diffusion layer and the first porous layer has a percolation pressure higher than that of a second piled body containing the second gas diffusion layer and the second porous layer. The first piled body has a percolation pressure of 25 to 120 kPa, and the second piled body has a percolation pressure of 5 to 25 kPa. | 10-02-2014 |
Tsukasa Yamawaki, Nagoya-Shi JP
Patent application number | Description | Published |
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20120227193 | METHOD OF UPGRADING SEISMIC PERFORMANCE OF EXISTING SPILLWAY PIERS ON DAMS AND COUPLED EARTHQUAKE-RESISTANT STRUCTURE - A method of improving earthquake resistance of existing spillway piers provided in a dam. The method includes a following step. End portions of a main beam and top portions of existing spillway piers are connected to each other with a high damping device having a history damping property with high primary rigidity. The high damping device has a yield displacement amount in seismic velocity smaller than a tolerance of a displacement amount of the existing spillway piers. The high damping device has a yield load value in seismic velocity greater than a maximum seismic force generated therein in a bridge-axis direction due to a large-scale earthquake. | 09-13-2012 |
Yasuhiro Yamawaki, Kanagawa JP
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20100061125 | Flyback boost circuit and strobe device using the same - A flyback boost circuit includes an output voltage detection terminal provided to a secondary winding of a transformer of the flyback boost circuit, and configured to detect an output voltage. Prior to the start of a boost operation, current is supplied to a secondary side of the transformer via the output voltage detection terminal to detect a voltage generated at the output voltage detection terminal, to thereby detect an unwired state by determining whether or not there is floating of the output voltage detection terminal or a grounding terminal of the secondary winding of the transformer. | 03-11-2010 |
Yasuhiro Yamawaki, Ina JP
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20090109525 | OPTICAL MICROSCOPE - An optical microscope, which has a light source, for observing a sample by illuminating light from the light source on the sample includes a second light source that is different from the light source and is insertable/removable in/from the optical path of the optical microscope. The second light source is configured to have the peak of an emission spectrum only in a wavelength range of 400 to 490 nm. | 04-30-2009 |
Yuji Yamawaki, Chiyoda-Ku Tokyo JP
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20080267096 | Tunnel Device, Relay Device, Terminal Device, Call Control System, Ip Telephone System, Conference Device, and Their Control Method and Program - In a call between terminals in different FWs, tunnel devices T | 10-30-2008 |
Yukiko Yamawaki, Wakayama JP
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20110059683 | POLISHING COMPOSITION - A polishing composition includes a copolymer and an abrasive. The copolymer has a constitutional unit expressed as the following formula (I) and at least one of constitutional units expressed as the following formulae (II) to (IV). Methoxypolyethylene glycol methacrylate etc. are used as monomers for forming the constitutional unit of the formula (I), stearyl methacrylate etc. are used as monomers for forming the constitutional unit of the formula (II), polypropylene glycol methacrylate etc. are used as monomers for forming the constitutional unit of the formula (III), and styrene etc. are used as monomers for forming the constitutional unit of the formula (IV). | 03-10-2011 |
Yukio Yamawaki, Nobeoka JP
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20090093388 | NOVEL ACYL GROUP-CONTAINING COMPOSITION - According to the present invention, a process is provided for producing an acyl group-containing composition that includes a step of reacting a long chain N-acyl acidic amino acid anhydride with one or more compounds which have, per molecule, m functional groups of one kind or more selected from the group consisting of hydroxyl, amino and thiol groups in an aqueous solvent and/or a mixed solvent of water and an organic solvent (reaction step). The process makes it possible to produce an acyl group-containing composition that is free from coloration under moderate conditions. | 04-09-2009 |