Yuji Ito
Yuji Ito, Shizuoka JP
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20100303658 | Water-Cooled Oil-Free Air Compressor - A water-cooled oil-free air compressor which features compactness and ensures improved productivity and maintainability. The compressor is an oil-free screw compressor which includes a low pressure stage compressor body, an intercooler for water-cooling the compressed air discharged from the low pressure stage compressor body, a high pressure stage compressor body for further compressing the compressed air cooled by the intercooler, and an aftercooler for water-cooling the air discharged from the high pressure stage compressor body. The intercooler and aftercooler each have a plurality of units, all of which are almost equal in shape. A cooler header on each or either of the inlet and outlet sides for compressed air is shared by the units of each cooler. | 12-02-2010 |
Yuji Ito, Kagoshima JP
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20100297606 | IgG BINDING PEPTIDE - The present invention provides a peptide capable of specifically binding to human IgG. In particular, the present invention relates to a human IgG binding peptide tag of 11 to 16 amino acids in length, comprising at least an amino acid sequence of the formula I: | 11-25-2010 |
20130078741 | IGA-BINDING PEPTIDE AND PURIFICATION OF IGA USING THE SAME - This invention relates to: a peptide which comprises an amino acid sequence consisting of 12 to 18 amino acid residues represented by (X | 03-28-2013 |
20140274790 | IgG-BINDING PEPTIDE AND METHOD FOR DETECTING AND PURIFYING IgG USING SAME - Provided is a peptide that specifically or selectively binds to human IgG. This peptide comprises an amino acid sequence consisting of 13 to 17 amino acid residues and is capable of binding to human IgG, wherein the amino acid sequence is represented by formula I: (X | 09-18-2014 |
20150044701 | IgA-BINDING PEPTIDE AND IgA PURIFICATION USING THE SAME - This invention provides a peptide that comprises an amino acid sequence consisting of 14 to 18 amino acid residues represented by Formula (I) and is capable of binding to human IgA: | 02-12-2015 |
Yuji Ito, Fukuoka JP
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20090187660 | Load balancer having band control function and setting method thereof - A load balancer includes a configuration information receiving unit that receives configuration information having address information of all the servers to which a request is directed and the type of service provided by each server, a load balance setting unit that configures so that a request transmitted from a client is transmitted to one of the servers corresponding to a service type specified in a message in accordance with the configuration information, and a band setting unit that calculates the number of the servers for each service type in accordance with the configuration information and assigns a band of a line to each service in accordance with the calculated number. | 07-23-2009 |
20090248865 | LOAD DISTRIBUTION METHOD, LOAD DISTRIBUTION DEVICE, AND SYSTEM INCLUDING LOAD DISTRIBUTION DEVICE - A load distribution device that receives processing requests from terminals and that allocates and transfers the processing requests to at least one of a plurality of servers. The load distribution device includes a monitoring unit, a request receiving unit, an update server determining unit, a distribution ratio setting unit, a load distribution unit, a notification unit and an update completion detecting unit, whereupon receipt of a notification that the update of the server to be updated is completed, the update server determining unit determines that the update to the server to be updated is completed, determines a new server to be updated and a new server to be updated next, and instructs the distribution ratio setting unit to set the distribution ratios. | 10-01-2009 |
20100229182 | LOG INFORMATION ISSUING DEVICE, LOG INFORMATION ISSUING METHOD, AND PROGRAM - A log information issuing device includes a priority information manager in which priority information is stored, a priority of a log message being defined in the priority information, a message queue that has a plurality of queues for storing the log message according to the priority, a message sorting processor that refers to the priority information to store the log message in the message queue, an internal resource information collector that determines a load state of an internal resource from operating information on the internal resource, a log message queue processor that takes out the log message from the message queue, the log obtaining condition defining a condition of the log message is taken out from the message queue according to the load state, and a log processor supplies the log message as the log information, the log message being taken out by the log message queue processor. | 09-09-2010 |
20100262960 | Communication Terminal - A communication terminal includes: an update section that obtains software via a communication network from a predetermined provider so as to update the software; and a failure monitor section that monitors whether there is a failure to interfere with an update of the software by the update section. The communication terminal further includes an update record section that records, if there is the failure and the update becomes an incomplete update on an occasion of the update by the update section, the presence of the incomplete update; and an update prompting section that prompts, if a monitor result by the failure monitor section changes from that there is a failure to that there is no failure, performing by the update section the update whose presence is recorded by the update record section. | 10-14-2010 |
Yuji Ito, Tokyo JP
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20080317443 | INFORMATION STORAGE SYSTEM CAPABLE OF RECORDING AND PLAYING BACK A PLURALITY OF STILL PICTURES - An information storage medium capable of recording and playing back still picture information is provided with a first information unit having one still picture information, and a first group unit which is composed of a set of first information units, and has a plurality of pieces of still picture information having different contents. Information is recorded in the first group unit. | 12-25-2008 |
20100134929 | Multi-Channel Thin-Film Magnetic Head And Magnetic Tape Drive Apparatus With The Multi-Channel Thin-Film Magnetic Head - A multi-channel thin-film magnetic head includes a head section provided with a plurality of thin-film magnetic head elements and a sliding surface for a magnetic tape, a slot section running in a direction perpendicular to a magnetic tape transport direction, the slot section being arranged adjacent to the head section in the magnetic tape transport direction, and an outrigger section provided with a sliding surface for the magnetic tape and arranged to separate from the head section by the slot section in the magnetic tape transport direction. The sliding surface of the outrigger section includes a sloped surface with a height that reduces as approaching the head section. | 06-03-2010 |
20100149685 | MULTI-CHANNEL THIN-FILM MAGNETIC HEAD, MAGNETIC TAPE DRIVE APPARATUS WITH THE MULTI-CHANNEL THIN-FILM MAGNETIC HEAD AND MANUFACTURING METHOD OF MULTI-CHANNEL THIN-FILM MAGNETIC HEAD - A multi-channel thin-film magnetic head includes a substrate, a plurality of thin-film magnetic head elements formed on the substrate, a closure fixed onto the plurality of thin-film magnetic head elements, a protection film laminated on a whole area of a TBS of the plurality of thin-film magnetic head elements and the closure, and many micro-grooves formed in a surface of the protection film. | 06-17-2010 |
20100208388 | MAGNETIC HEAD, HEAD ASSEMBLY AND MAGNETIC RECORDING/REPRODUCING APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC HEAD - The present invention relates to a magnetic head and particularly to improvement of its recording element. The recording element includes a first magnetic film, a second magnetic film, a coil film, and an insulating film. The first magnetic film has a first pole portion. The second magnetic film has a second pole portion opposed to the first pole portion with a magnetic gap film therebetween and is joined to the first magnetic film at a back gap portion that is located in a rearward position with respect to a medium facing surface. The coil film extends around the back gap portion, and the insulating film encloses the coil film. Moreover, the second magnetic film entirely covers the insulating film. | 08-19-2010 |
20110255192 | THIN FILM MAGNETIC TAPE HEAD - A magnetic tape head includes a writing element having a coil for generating magnetic flux and a yoke part that emits magnetic flux induced by the coil from a tape bearing surface opposite a magnetic tape, a substrate where the writing element is formed, and a closure joined with the substrate. A gap formed at a portion between the substrate and the closure exists from the yoke part in a direction orthogonal to a junction surface between the substrate and the closure. | 10-20-2011 |
20140170528 | PROCESS FOR PRODUCING A FUEL CELL ELECTRODE CATALYST, FUEL CELL ELECTRODE CATALYST AND USE THEREOF - Provided is a process for producing a fuel cell electrode catalyst with high catalytic activity that is alternative to a noble metal catalyst, through a heat treatment at a relatively low temperature. A process for producing a fuel cell electrode catalyst includes a step (I) of obtaining a catalyst precursor, including a step (Ia) of mixing at least a metal compound (1), a nitrogen-containing organic compound (2), and a fluorine-containing compound (3), and a step (II) of heat-treating the catalyst precursor at a temperature of 500 to 1300° C. to obtain an electrode catalyst, a portion or the entirety of the metal compound (1) being a compound containing an atom of a metal element M1 selected from the group consisting of iron, cobalt, chromium, nickel, copper, zinc, titanium, niobium and zirconium, and at least one of the compounds (1), (2) and (3) containing an oxygen atom. | 06-19-2014 |
20140349212 | OXYGEN REDUCTION CATALYST AND METHOD FOR PRODUCING SAME - The present invention concerns an oxygen reduction catalyst comprising composite particles in which primary particles of a titanium compound is dispersed into a carbon structure, wherein the composite particles have titanium, carbon, nitrogen and oxygen as constituent elements, and with regard to a ratio of number of atoms of each of the elements when titanium is taken as 1, a ratio of carbon is larger than 2 and 5 or less, a ratio of nitrogen is larger than 0 and 1 or less, and a ratio of oxygen is 1 or more and 3 or less, and an intensity ratio (D/G ratio) of D band peak intensity to G band peak intensity in a Raman spectrum is in the range of 0.4 to 1.0. The oxygen reduction catalyst according to the present invention has satisfactory initial performance and excellent start-stop durability. | 11-27-2014 |
20150044595 | PRODUCTION PROCESS OF ELECTRODE CATALYST FOR FUEL CELLS, ELECTRODE CATALYST FOR FUEL CELLS AND USES THEREOF - An object of the present invention is to suppress flooding phenomenon in an electrode catalyst for fuel cells containing a metal atom, a carbon atom, a nitrogen atom and an oxygen atom. A production process of an electrode catalyst for fuel cells is provided which includes a fluorination step of bringing a catalyst body into contact with fluorine, the catalyst body having an atom of at least one metal element selected from the group consisting of zinc, titanium, niobium, zirconium, aluminum, chromium, manganese, iron, cobalt, nickel, copper, strontium, yttrium, tin, tungsten, cerium, samarium and lanthanum, a carbon atom, a nitrogen atom and an oxygen atom. | 02-12-2015 |
20150093681 | METHOD FOR PRODUCING FUEL CELL ELECTRODE CATALYST, FUEL CELL ELECTRODE CATALYST, AND USES THEREOF - An object of the present invention is to provide a fuel cell electrode catalyst with which high durability and a high maximum output density are obtained even when a fuel cell is continuously operated for long time; a method for producing the fuel cell electrode catalyst; a fuel cell in which the catalyst is used; and the like. A method for producing a fuel cell electrode catalyst is provided, the method including: a step of preparing a catalyst precursor comprising each atom of a metal element, carbon, nitrogen, and oxygen, and comprising copper as the metal element; and a contact step of bringing the catalyst precursor and an acid solution into contact with each other to obtain a catalyst. | 04-02-2015 |
20150155569 | METHOD FOR OPERATING FUEL CELL AND POWER GENERATION DEVICE - Provided is a method for operating a fuel cell involving supplying an electrode with a low or non-humidified gas that achieves no significant decrease of voltage as compared with when a high-humidified feed gas is used. The method for operating a fuel cell having a membrane electrode assembly includes a cathode, an anode and an electrolyte membrane interposed between both the electrodes, wherein the cathode has a layer including an oxygen reducing catalyst including composite particles which include atoms of a metal element M1, carbon, nitrogen and oxygen and in which primary particles of a compound of the metal element M1 are dispersed in a carbon structure, which method includes supplying the cathode with an oxidizing agent gas which includes an oxygen gas and which has a relative humidity at a temperature of the membrane electrode assembly of 60% or less, and supplying the anode with a fuel gas. | 06-04-2015 |
Yuji Ito, Kawasaki JP
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20090244777 | MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM - A disclosed method for manufacturing a magnetic recording medium includes a first step of forming a magnetic recording film on a non-magnetic substrate and a second step of forming, in the magnetic recording film, a magnetic recording region which is magnetically recordable and an isolation region which is magnetically non-recordable and includes a first isolation-region portion and a second isolation-region portion. The second step includes the sub-steps of performing first ion implantation on the magnetic recording film to form the first isolation-region portion along a boundary of the isolation region to be formed with the magnetic recording region to be formed; and performing second ion implantation on the magnetic recording film to form the second isolation-region portion in the surface of the isolation region to be formed. | 10-01-2009 |
20090244783 | MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM, THE MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS - A manufacturing method of a magnetic recording medium, the magnetic recording medium having a structure where plural magnetic recording areas and isolation areas in a magnetic recording layer are formed on a non-magnetic substrate, the isolation areas being configured to magnetically isolate the magnetic recording areas, the manufacturing method includes a step of forming the magnetic layer on the non-magnetic substrate, the magnetic layer being made of a hard magnetic material having a magnetic coercive force whereby magnetic recording is impossible; and a step of performing ion implantation partially at positions corresponding to the plural magnetic recording areas of the magnetic layer so that the magnetic recording areas are formed by reducing the magnetic coercive force in the positions of the ion implantation to a magnetic-recordable magnetic coercive force, and allowing the isolation areas to maintain the magnetic coercive force whereby magnetic recording is impossible. | 10-01-2009 |
20090296279 | MAGNETIC RECORDING MEDIUM AND INFORMATION RECORDING DEVICE - A magnetic recording medium including: a substrate; plural information recording members that are formed of a hard magnetic material on the substrate, in each of which magnetization in a direction crossing the substrate is generated and, when the information recording members pass in a predetermined traveling direction in a magnetic field for information recording, the magnetization is directed to a direction corresponding to a direction of the magnetic field and information is recorded; and a high-permeability film that is placed on an edge on a front side of the information recording members in the traveling direction and has a magnetic permeability higher than a magnetic permeability of the information recording members. | 12-03-2009 |
20100097720 | MAGNETIC RECORDING/REPRODUCING APPARATUS AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a magnetic recording/reproducing apparatus includes a magnetic head and a magnetic recording medium. The magnetic recording medium includes a recording layer formed of a hard magnetic layer and a soft magnetic layer. The hard magnetic layer has a bit width corresponding to a length of a bit island in a radial direction of the magnetic recording medium. The soft magnetic layer is arranged on the hard magnetic layer. The soft magnetic layer has a width smaller than the bit width and is arranged at a position displaced in a direction away from an off-track portion of the leading edge of the magnetic head skewed at an angle. | 04-22-2010 |
Yuji Ito, Okazaki-Shi JP
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20090295200 | VEHICLE SEATS - A vehicle seat includes a seat back and a head rest. The seat back has an air blower that is capable of aspirating air, and a blower duct that is capable of introducing the aspirated air toward a blowhole formed in the seat back. The head rest has a head rest main body and a stay attached to the head rest main body. The stay is inserted into the seat back, so that the head rest main body is vertically movably attached to the seat back. The air blower is disposed on the seat back such that a rotation center thereof can be positioned above the level of a terminal end of the stay that is moved to a lowermost position. | 12-03-2009 |
Yuji Ito, Shiojiri-Shi JP
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20090289217 | POLISHING COMPOSITION - A polishing composition which achieves surfaces with high planarity and the reduction of corrosions in the wiring metal surface at the same time is provided. | 11-26-2009 |
Yuji Ito, Nagano JP
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20090194504 | METHOD FOR PRODUCING ABRASIVE COMPOSITION - The present invention provides a method for producing an abrasive composition, which can control dishing, a method for polishing a substrate using the abrasive composition, and a method for producing a substrate. In the method for producing an abrasive composition, two kinds of preliminary compositions (A) and (B) having different compositions are mixed in different mixing ratios to produce plural kinds of abrasive compositions, wherein a composition containing (a) an abrasive grain, (b) an oxidizing agent, (c) one or more acids selected from the group consisting of amino acids, organic acids and inorganic acids, and (d) a surfactant is used as the preliminary composition (A); and a composition containing (a) an abrasive grain and (b) an oxidizing agent is used as the preliminary composition (B). The preliminary composition (B) may contain the foregoing acid (c) and surfactant (d). In this case, at least one of (a), (b), (c) and (d) in the preliminary composition (A) has a different concentration from that in the preliminary composition (B). | 08-06-2009 |
Yuji Ito, Nisshin-Shi JP
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20090195199 | MOTOR DRIVE DEVICE - A controller ( | 08-06-2009 |
Yuji Ito, Hekinan-City JP
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20090059635 | Rectifier device for automotive alternator - An AC generator, referred to as an alternator, is mounted on an automotive vehicle for supplying electric power to an on-board battery and other electric loads. The alternator includes a rectifier device for rectifying alternating current to direct current. The rectifier is composed of a minus-side heat-radiating plate on which six minus-side rectifier elements are mounted and a plus-side heat-radiating plate on which six plus-side rectifier elements are mounted. Each rectifier is mounted on the heat-radiating plate in the same manner, i.e., by forcibly inserting the rectifier element into a mounting hole formed in the heat-radiating plate. A disc portion of the rectifier element has an outer peripheral surface on which knurls are formed. The outer peripheral surface having the knurls is tapered so that the disc portion is easily inserted into the mounting hole while establishing a firm grip and a good heat-conductive contact between the rectifier element and the heat-radiating surface. | 03-05-2009 |
Yuji Ito, Okazaki-City JP
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20090008077 | Cooling apparatus using brine - A cooling apparatus includes a brine circuit through which brine flows, a pump disposed on the brine circuit, and a heat exchanger unit including a heat absorbing member and a heat radiating member. The heat absorbing member is in communication with the brine circuit. The heat absorbing member is capable of conducting heat generated from a cooling object to the brine for cooling the cooling object. The heat radiating member is in communication with the brine circuit and capable of receiving the heat from the brine. The brine circuit is configured such that the brine passes through the heat exchanger unit at a pressure equal to or lower than an atmospheric pressure. | 01-08-2009 |
20110226461 | Vehicular seat air-conditioning system - A vehicular seat air-conditioning system comprising a blower ( | 09-22-2011 |
Yuji Ito, Kyoto JP
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20080224650 | FEED MOTOR LOCK DETECTION DEVICE - A feed motor lock detection device detects a back-electromotive voltage in a feed motor M and checks whether the feed motor M is in a driven state or in a non-driven state based on the level of the back-electromotive voltage. | 09-18-2008 |
Yuji Ito, Kagoshima-Ken JP
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20110117602 | HUMAN ANTIBODY CAPABLE OF INDUCING APOPTOSIS - A human antibody that has a specific reactivity with multiple tumor cell lines including ATL cells and possesses both safety and therapeutic efficacy and a fragment of said antibody are provided. A human antibody and a fragment of said antibody that may recognize HLA-DR β chain expressed on the surface of tumor cells were obtained. In particular, it was found that a dimer of scFv (diabody) of said antibody may induce potent apoptosis in cells expressing the HLA-DR β chain. The antibody and a fragment of said antibody obtained in accordance with the present invention are useful for a detection reagent, a diagnostic and a medicament for protection or treatment of cancers including ATL and/or viral infectious diseases. | 05-19-2011 |
Yuji Ito, Ichinomiya-Shi JP
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20120006695 | CONTACT LENS DISTRIBUTION/STORAGE METHOD AND CONTACT LENS PACKAGE - A contact lens distribution/storage method with which contact lenses can be reliably stored in a small space. To achieve this with a method for storing contact lenses for distribution using a contact lens package containing a packaging solution and the contact lens, a soft contact lens is used as the contact lens. A fluid volume of the packaging solution is 0.1 to 1.0 mL, and a buffering capability of the packaging solution is 3 mmol/L or greater measured in buffering capacity. | 01-12-2012 |
Yuji Ito, Osato-Gun JP
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20120008913 | INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/PLAYBACK METHOD, AND INFORMATION RECORDING/PLAYBACK APPARATUS - There is provided a system configured to prevent recording contents of various broadcasting schemes from being recorded together on a single recording medium while supporting various broadcasting schemes. An optical disc used here can record a digital stream complying with a predetermined digital broadcasting scheme and including specific information APP_NAME corresponding to a broadcasting scheme to be recorded. The broadcasting scheme to be recorded is checked. If another digital stream has already been recorded on the optical disc, its broadcasting scheme is detected from APP_NAME, and is compared with that of the stream to be recorded. If these broadcasting schemes are different, recording is aborted. | 01-12-2012 |
20130308923 | INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/PLAYBACK METHOD, AND INFORMATION RECORDING/PLAYBACK APPARATUS - There is provided a system configured to prevent recording contents of various broadcasting schemes from being recorded together on a single recording medium while supporting various broadcasting schemes. An optical disc used here can record a digital stream complying with a predetermined digital broadcasting scheme and including specific information APP_NAME corresponding to a broadcasting scheme to be recorded. The broadcasting scheme to be recorded is checked. If another digital stream has already been recorded on the optical disc, its broadcasting scheme is detected from APP_NAME, and is compared with that of the stream to be recorded. If these broadcasting schemes are different, recording is aborted. | 11-21-2013 |
Yuji Ito, Ota-Ku JP
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20120170912 | DIGITAL VIDEO SYSTEM - The erasion level appending range of a file is instructed. According to this instruction, the erasion level is set. When this setting range does not agree with the cell unit of the current cell, the current cell is divided to set a sequence of divided cells. Playback management information of each of the divided cells and current cell is re-created, and erasion level information is appended to playback management information of the divided cell that belongs to the appending range. | 07-05-2012 |
Yuji Ito, Nagoya-City JP
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20120252323 | CUTTING METHOD OF HONEYCOMB DRIED BODY AND HONEYCOMB DRIED BODY CUTTING DEVICE - There is disclosed cutting means of a honeycomb dried body in which cracks are not easily generated in the honeycomb dried body, even when a grindstone continues to be used for a long period of time, a cutting speed is raised and a cutting object is a honeycomb dried body having a large diameter. There is provided a cutting method of a honeycomb dried body to cut the honeycomb dried body while applying a force Pm which resists a thrust force Pt required for the cutting and a weight Pw of a cutoff section, to a portion which becomes the cutoff section, | 10-04-2012 |
Yuji Ito, Ohtsu-Shi JP
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20130140236 | HOLLOW FIBER TYPE REVERSE OSMOSIS MEMBRANE AND METHOD FOR MANUFACTURING THE SAME - A hollow fiber type reverse osmosis membrane including cellulose acetate, characterized in that the filtration rate and the salt rejection rate when an aqueous solution having sodium chloride concentration of 1,500 mg/L is filtered from outer side to inner side of the hollow fiber type reverse osmosis membrane at 25° C. and 1.5 MPa pressure are 180 to 350 L/m | 06-06-2013 |
Yuji Ito, Kanagawa JP
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20130341825 | PRODUCTION APPARATUS AND METHOD FOR PRODUCING HOLLOW MOLDED PRODUCT - A production apparatus includes the following stations juxtaposed in the following sequence: a parison forming station for forming a parison; a built-in part attachment station where opposite sides of a center die provided with a built-in part are held between a pair of molding dies to locate the center die in the molding dies with the parison between the center die and the molding dies, and the built-in part being attached to the parison transferred to the molding dies; a molding station where the molding dies are closed to mold the hollow molded product; and a conveyance station for taking the hollow molded product out of the molding dies and conveying the hollow molded product. The center die is fixed at the built-in part attachment station, and the molding dies are configured to be movable back and forth between the built-in part attachment station and the molding station. | 12-26-2013 |
20140113016 | CROSSHEAD - In a crosshead, a pair of sheets ( | 04-24-2014 |
Yuji Ito, Yokohama-Shi JP
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20140065255 | GUIDE DEVICE FOR PARISON - A guide device | 03-06-2014 |
Yuji Ito, Yokohama JP
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20140115235 | CACHE CONTROL APPARATUS AND CACHE CONTROL METHOD - A cache control apparatus comprises a primary cache part, a secondary cache part for caching data destaged from the primary cache part, and a controller connected to the primary cache part and to the secondary cache part. The secondary cache part has a first storage part and a second storage part having a lifetime longer than that of the first storage part. The controller determines whether the data destaged from the primary cache part is to be stored in the first storage part or the second storage part in the secondary cache part, based on a use state indicating whether or not the data has been updated, and stores the data in the first storage part or the second storage part determined. | 04-24-2014 |
Yuji Ito, Hachiouji JP
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20140159685 | CONTROL DEVICE AND POWER SUPPLY DEVICE - A control device includes: a control circuit that controls a power supply circuit by a feedback of an output from an output terminal, the power supply circuit having a first transistor, the first transistor including gallium nitride material and having a source and a drain connected so that one of the source and the drain is connected to a first power supply and an other of the source and the drain is connected to the output terminal; and a first terminal via which a first control signal output by the control circuit is output to a gate of the first transistor. | 06-12-2014 |
20140167721 | POWER SUPPLY DEVICE - A power supply device includes: a first transistor that switches a first current flowing between a first terminal and a second terminal of the first transistor; a second transistor that has a first terminal connected to the first terminal of the first transistor and a control terminal connected to a control terminal of the first transistor and is formed in a chip in which the first transistor is formed; a current source that supplies a second current between the first and second terminals of the second transistor; and a control part that performs a turn-on and turn-off control of the first transistor on the basis of voltages of the second terminals of the first and second transistors. | 06-19-2014 |
Yuji Ito, Nishio-Shi Aichi-Ken JP
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20140352414 | MISFIRE DETECTION SYSTEM OF INTERNAL COMBUSTION ENGINE - When ignition is retarded in an internal combustion engine, an engine misfire detection system calculates a difference between combustion-time engine torque produced when combustion takes place in the engine, and expansion torque corresponding to non-combustion-time engine torque produced when the engine rotates without causing combustion, at intervals of a predetermined crank angle, calculates a shift amount with which a total value of the differences within a misfire determination period is maximized, and shifts the misfire determination period by the shift amount. | 12-04-2014 |
Yuji Ito, Hachioji JP
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20140353673 | SEMICONDUCTOR APPARATUS - A semiconductor apparatus includes a substrate; a first semiconductor layer formed on the substrate and formed of a nitride semiconductor; a second semiconductor layer formed on the first semiconductor layer and formed of a nitride semiconductor; first and second gate electrodes, a source electrode, and a drain electrode formed on the second semiconductor layer; an interlayer insulation film formed on the second semiconductor layer; and a field plate formed on the interlayer insulation film. Further, the first gate electrode and the second gate electrode are formed between a region where the source electrode is formed and a region where the field plate is formed, an element isolation region is formed in the first and the second semiconductor layers which are between the first and the second gate electrodes, and the second gate electrode is electrically connected to the source electrode. | 12-04-2014 |
20150349640 | CONTROL CIRCUIT AND POWER SUPPLY CIRCUIT - A control circuit includes: a signal generating circuit configured to generate a PWM signal; and a drive control circuit configured to alternately turn on a first transistor and a second transistor in accordance with the PWM signal, the first transistor and the second transistor being connected in series between a wiring to which a first voltage is supplied and a wiring to which a reference potential is supplied. The drive control circuit turns on one of the first transistor and the second transistor when detecting that an electric potential of an N well of the first transistor or the second transistor in triple-well structure, connected to a wiring to which a second voltage lower than the first voltage is supplied via a resistor becomes lower than a threshold value after the other of the first transistor and the second transistor is turned off. | 12-03-2015 |
Yuji Ito, Shioya-Gun JP
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20160084338 | ACTIVE VIBRATION ISOLATION DEVICE - An active vibration isolation device includes: a housing fixed to a vibration isolation target; a movable shaft elastically supported by the housing displaceably in an axial direction; a yoke having an umbrella-shaped part provided consecutively and coaxially with the movable shaft and a circular cylindrical part provided consecutively with an outer circumference of the umbrella-shaped part and coaxially with the movable shaft; a ring-shaped coil fixed between the movable shaft and the cylindrical part; and first and second permanent magnets in a ring shape attached to the yoke. The first permanent magnet is smaller in diameter than the coil and is disposed inside the coil in a radial direction of the coil. The second permanent magnet is larger in diameter than the coil and is disposed outside the coil in the radial direction so that part thereof is made to face an inside of the yoke. | 03-24-2016 |