Tsugawa, JP
Dai Tsugawa, Mito JP
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20080258252 | CIRCUIT ARRANGEMENT HAVING A FREE-WHEEL DIODE - An object of the present invention is to reduce the conducting loss of an existing conversion circuit while suppressing its noise. The present invention is typically a circuit arrangement includes at least one switching device and a free-wheel diode connected in parallel with the switching device. The free-wheel diode is formed by connecting a silicon PiN diode in parallel with a Schottky barrier diode that uses a semiconductor material having a wider band gap than silicon as a base material. The silicon PiN diode and Schottky barrier diode are separate chips. | 10-23-2008 |
20090168471 | CIRCUIT DEVICE HAVING A FREE WHEELING DIODE, CIRCUIT DEVICE AND POWER CONVERTER USING DIODES - A circuit device includes at least one switching element and a free wheeling diode connected in parallel to the switching element. The free wheeling diode is made up of a Schottky barrier diode using a semiconductor material having a band gap larger than silicon as its base material and also a silicon PiN diode, which are connected in parallel. The Schottky barrier diode and the silicon PiN diode are provided in the form of separate chips. A circuit system is also provided wherein a diode having a Schottky junction of a compound semiconductor as a rectification element built therein is combined, and a relationship, R | 07-02-2009 |
20100327837 | POWER CONVERTER FOR TRACTION CONTROL AND TRANSPORTATION SYSTEM - The following problem associated with a semiconductor device of silicon or the like having low band gap is solved by temperature estimation using voltage drop in such a semiconductor device having low accuracy and this complicates a circuit for temperature detection suitable for practical use or a configuration for implementing a detection system. A power converter provided with an inverter circuit includes a semiconductor device whose band gap is larger than that of silicon and which has a range in which the temperature coefficient of voltage drop during conduction is positive. The power converter further includes a measurement condition setting circuit. This circuit adjusts the timing of the following measurement values used for temperature estimation at a device temperature estimation circuit to each other so that a measurement value of a voltage measurement circuit and a measurement value of a current measurement circuit become data obtained by measurement at the same time. | 12-30-2010 |
Hiroaki Tsugawa, Tokyo JP
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20090186760 | 1,1-BIS(4-HYDROXYPHENYL)-1-PHENYLETHANE AND THERMAL RECORDING MATERIAL FOR RECORDING THE SAME - This invention provides 1,1-bis(4-hydroxyphenyl)-1-phenylethane having a crystal form characterized by an X-ray diffraction pattern having one sharp and strong peak at 16.4° and three sharp peaks of intermediate intensity at each of 13°-16° and 17°-20.8° and at least three peaks of intermediate intensity at 22°-23° as a diffraction angle (2θ) in an X-ray diffractometry with Cu-K α-rays, and being capable of giving the storing stability of a colored image and a non-colored portion against heat, water or the like and the low-energy color-developing property suitable for high-speed color development. | 07-23-2009 |
Hiroshi Tsugawa, Okayama-City JP
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20130199907 | OPERATION SWITCH - An operation switch where a switch unit can be separated from an operation unit in a simple manner even when the operation switches are densely fitted is disclosed herein. The operation switch of the invention includes an operation unit that is disposed on a front surface side of a panel and operated by external pressing force, a switch unit that can be separated from a rear surface side of the panel from the operation unit, a latching unit formed on an external circumferential surface of the operation unit along an axial center direction, a latching receiving unit which is formed along an external circumferential surface of the switch unit and to which the latching unit is latched, and a release lever that releases a latching state of the latching unit and the latching receiving unit so that the switch unit is separated from the operation unit. | 08-08-2013 |
Hiroshi Tsugawa, Izumo-City JP
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20140086674 | PUSH-BUTTON SWITCH, SELECTOR SWITCH, AND FIXING COMPONENT THEREFOR - A fixing component for a switch including a flange, a ring attachment, and a screw attachment, the flange including a projection provided on an outer peripheral surface, the screw attachment including, on an inner peripheral surface, an insertion area into which the projection of the flange is inserted, a projection engaging part into which the projection of the flange is fitted, and an interference projection which is formed between the projection engaging part and the insertion area and has a smaller inner diameter than diameters of the projection engaging part and the insertion area, the projection of the flange including a first projecting portion and a second projecting portion where the first projecting portion is fitted into a guiding groove, and the second projecting portion is configured to traverse the interference projection to be fitted into a fitting groove when the flange and the screw attachment are rotated relatively. | 03-27-2014 |
Hitoshi Tsugawa, Tokyo JP
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20110000063 | PRODUCTION APPARATUS - A production apparatus of the present invention produces a component assembly to an object to be processed in which a jig for holding a subsidiary component is set to a main component by sequentially performing predetermined processes in a plurality of processing areas (A | 01-06-2011 |
20110024264 | WORK TRANSFER APPARATUS - A work transfer apparatus comprising a retaining unit ( | 02-03-2011 |
20110073436 | CONVEYER DEVICE - A production device according to the present invention includes a plurality of processing units ( | 03-31-2011 |
Hitoshi Tsugawa, Shinagawa-Ku JP
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20110253508 | ROLLER ASSEMBLY, ROLLER UNIT, AND CONVEYOR APPARATUS - This invention provides a roller assembly including a rotary member including a driving shaft portion and a convey roller portion provided with the driving shaft portion, a driving wheel including a hole portion and attached to the driving shaft portion, the driving wheel being driven to rotate, a transmission receiving portion radially extending outward from the driving shaft portion and rotated together with the driving shaft portion, a friction transmission member clamped between the transmission receiving portion and a side surface of the driving wheel and frictionally transmitting a rotational force of the driving wheel to a rotary member, and a biasing portion applying a clamping force between the transmission receiving portion and the side surface of the driving wheel. | 10-20-2011 |
Kazuo Tsugawa, Ibaraki JP
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20090324892 | Laminate and Method for Depositing Carbon Film - An object of the invention is to provide a resin material having further improved thermal conductivity, slidability, heat resistance, strength and rigidity of a resin material and having imparted thereto characteristics such as high thermal conductivity, rigidity, scratch prevention, high slidability and the like, and a method for producing the same. A laminate is obtained by laminating the resin material and a carbon film having a thermal conductivity of from 70 to 700 W/mK, a resistance value of 1×10 | 12-31-2009 |
20100092728 | LAMINATE, AND POLISHING MATERIAL AND GRINDING MATERIAL USING THE SAME, AND METHOD FOR PRODUCING THE LAMINATE - The invention provides a laminate capable of polishing and grinding the surface of a material having a high hardness such as diamond, sapphire or hard carbon film, rapidly and in a simplified manner with high planarity and high accuracy, utilizing the high adhesiveness to substrates, the hardness and the surface planarity that a carbon film has, but using neither diamond abrasive grains nor alkali slurry. The laminate comprises a substrate and a carbon layer provided on the substrate, wherein the carbon layer comprises a diamond fine grain provided on the substrate and crushed by impact given thereto, a formation/growth inhibiting material that inhibits the formation of an impurity inhibiting the growth of a carbon grain and/or inhibits the growth of a carbon grain, and a carbon grain, and an amount (amount per unit volume) of the formation/growth inhibiting material decreases from a lower layer toward an upper layer on the substrate side. Preferably, the formation/growth inhibiting material is an SiO | 04-15-2010 |
20120199553 | CARBON FILM | 08-09-2012 |
Kazuo Tsugawa, Tsukuba-Shi JP
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20110088848 | MICROWAVE PLASMA-TREATING APPARATUS - To provide a microwave plasma-treating apparatus which is capable of generating plasma having a high degree of uniformity of density and a high density for executing large-quantity and high-speed processing, capable of generating plasma of a large area, and capable of preventing dielectric windows from being thermally broken despite the apparatus being operated with large electric power for extended periods of time. The microwave plasma-treating apparatus includes a waveguide arranged to feed microwave electric power, a plurality of microwave coupling holes formed in the waveguide in the axial direction thereof, a dielectric member of a piece of plate capable of transmitting microwaves arranged in the waveguide in the axial direction thereof under the microwave coupling holes, a gap formed between the plurality of microwave coupling holes and the dielectric member, and a cooling member for cooling the dielectric member. Desirably, the microwave coupling holes have an annular shape. | 04-21-2011 |
20130052119 | METHOD FOR PRODUCING TRANSPARENT CONDUCTIVE CARBON FILM, AND TRANSPARENT CONDUCTIVE CARBON FILM - An object of the present invention is to solve problems such as high temperature processing and long processing time, which are issues of formation of a graphene film by thermal CVD, thereby providing a technique of forming a transparent conductive carbon film using a crystalline carbon film formed at lower temperature within a short time using a graphene film, and the method of the present invention is characterized by setting the temperature of a base material to 500° C. or lower and the pressure to 50 Pa or less, and also depositing a transparent conductive carbon film on a surface of a base material by a microwave surface-wave plasma CVD method in a gas atmosphere in which an oxidation inhibitor as an additive gas for suppressing oxidation of the surface of the base material is added to a carbon-containing gas or a mixed a carbon-containing gas and an inert gas. | 02-28-2013 |
20130052121 | CARBON FILM LAMINATE - An object of the present invention is to solve a problem such as a small crystal size, which is the issue of a conventional method for formation of a film of graphene by a thermal CVD technique using a copper foil as a substrate, and thus providing a carbon film laminate in which graphene having a larger crystal size is formed. The carbon film laminate is configured to include a sapphire (0001) single crystal having a surface composed of terrace surfaces which are flat at the atomic level, and atomic-layer steps, a copper (111) single crystal thin film formed by epitaxial growth on the substrate and graphene deposited on the copper (111) single crystal thin film, and thus enabling formation of graphene having a large crystal size. | 02-28-2013 |
20140079910 | CARBON FILM LAMINATE, METHOD OF MANUFACTURING SAID LAMINATE, AND LUBRICANT USING SAID LAMINATE - An object of the invention is to provide a carbon film laminate having a sliding surface with low friction, low abrasion, and low counterpart aggressiveness using high adhesiveness to a base material, hardness, surface flatness, low counterpart aggressiveness, transparency, and high thermal conductivity which are provided to the carbon film without using liquid and semiliquid lubricants such as lubricating oil. Provided is a carbon film laminate including a base material, a carbon film adhesion reinforcing layer which is provided on the base material and which is formed from silicon oxide (SiOx, x=1 to 2) containing fluorine atoms (F) in a concentration of 1×10 | 03-20-2014 |
Kazuo Tsugawa, Tokyo JP
Masaki Tsugawa, Kanagawa JP
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20120237238 | IMAGE FORMING APPARATUS, STORAGE UNIT CONTROLLING METHOD, AND STORAGE UNIT CONTROLLING PROGRAM PRODUCT - An image forming apparatus includes a control unit that controls each component, a first storage unit that is a non-volatile and rewritable storage unit mounted on the control unit, a toner containing unit that contains toner to be used for an image forming, a second storage unit that is a non-volatile and rewritable storage unit mounted on the toner containing unit, and a detecting unit that detects an amount of the toner remained in the toner containing unit. The control unit stores count information into the second storage unit, the count information is copied from the second storage unit to the first storage unit, when the detecting unit detects that the amount of the toner remained in the toner containing unit is not enough, and the count information is kept on being stored into the first storage unit, until the toner containing unit is replaced with a new one. | 09-20-2012 |
Michio Tsugawa, Chiba JP
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20090161045 | Method of Compensating Wavelength Dependence of Birefringence of Optical Part, Optical Part, and Display Obtained with these - The present invention is to provide a method of compensating the wavelength dependence of birefringence of an optical part (B) which comprises using a film (a) made of a (co)polymer (α) obtained from at least one olefin selected among 4-methyl-1-pentene, 3-methyl-1-pentene, and 3-methyl-1-butene as a (co)monomer ingredient. | 06-25-2009 |
20100081768 | CYCLIC OLEFIN POLYMER COMPOSITION, USE THEREOF, AND CYCLIC OLEFIN POLYMER - A cyclic olefin polymer composition comprising: [A] a specific cyclic olefin polymer having a softening temperature (TMA) of 120 to 300° C.; and [B] a specific cyclic olefin polymer having a glass transition temperature (Tg) of 50° C. or lower, wherein the absolute value of the difference between n | 04-01-2010 |
Mitsumasa Tsugawa, Ube-Shi JP
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20150094463 | HYDROXYALKYLATED POLYROTAXANE PRODUCTION METHOD - The invention provides an industrially advantageous method for the production of hydroxyalkylated polyrotaxanes. The method of producing hydroxyalkylated polyrotaxane includes reacting a polyrotaxane with a cyclic ether represented by Formula (1) in the presence of water and an organic base, wherein the polyrotaxane includes hydroxyl group-containing cyclic molecules, a linear molecule threaded through the cyclic molecules to form a clathrate, and blocking groups at both ends of the linear molecule to prevent the separation of the cyclic molecules from the linear molecule. | 04-02-2015 |
Sae Tsugawa, Tokyo JP
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20150222036 | CONNECTOR PAIR - A connector pair comprises a first connector and a second connector which are mateable with each other. The first connector includes a first contact having a first contact portion which has a first plating layer made of silver or silver alloy. The second connector includes a second contact having a second contact portion which has a second plating layer made of silver or silver alloy. The second contact portion has a contact start point and a final contact point. The second plating layer has Vickers hardness not less than 120 Hv but not more than 180 Hv. The Vickers hardness of the second plating layer is larger than Vickers hardness of the first plating layer. When the first connector and the second connector are mated with each other, the first contact portion slides on the second contact portion from the contact start point to the final contact point. | 08-06-2015 |
20160006153 | CONNECTOR - A connector is mateable with a mating connector which includes a mating contact having a mating contact point. The connector comprises a contact and a holding member which holds the contact. The contact has a contact portion. When the connector and the mating connector are mated with each other, the mating contact point slides on and is in contact with the contact portion. The contact portion has a first plated layer as its outermost layer and a second plated layer located under the first plated layer. The first plated layer is made of silver or silver alloy and has Vickers hardness not more than 90 Hv. The second plated layer is made of silver or silver alloy and has Vickers hardness not less than 100 Hv. | 01-07-2016 |
Syuichi Tsugawa, Kyoto-Shi JP
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20090154039 | OVERVOLTAGE PROTECTION CIRCUIT AND ELECTRONIC DEVICE COMPRISING THE SAME - An overvoltage protection circuit prevents a voltage higher than an allowable voltage value from being supplied to a predetermined to-be-protected circuit. A voltage is applied from outside to an input end | 06-18-2009 |
Tetsuya Tsugawa, Tokyo JP
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20120165177 | VERTICAL CENTRIFUGAL SEPARATION APPARATUS AND METHOD OF RECOVERING CENTRIFUGED LIQUID - To provide a vertical centrifugal separation apparatus which recovers a centrifuged liquid with a reduced loss and is suitable for when a target is the centrifuged liquid, and a method of recovering the centrifuged liquid. In performing centrifugation, the liquid to be processed is supplied from a lower portion of a cylindrical rotational tube which rotates about a vertical axis, and the centrifuged liquid is discharged and recovered from an upper portion of the cylindrical rotational tube. When the centrifugation is stopped for cleaning the cylindrical rotational tube, for example, the cylindrical rotational tube is set to a first overturn position to recover the remaining centrifuged liquid, and then the cylindrical rotational tube is set to a second overturn position to pull the tube out of the casing. Such a structure allows the recovery of the centrifuged liquid as the target with a reduced loss and without waste. | 06-28-2012 |
Tono Tsugawa, Kyoto-Shi JP
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20130126248 | WEIGHING DEVICE - A weighing device includes a weighing unit, a camera, an identifying unit, a product weight calculation unit, a label printer unit, a person sensor and a shopper-side notification unit. The weighing unit measures weight of a container and a product therein selected by a shopper to produce a weight value. The camera detects the size of the container. The identifying unit identifies the container based on size. The product weight calculation unit subtracts weight of the identified container from the weight value to calculate the weight of a product. The label printer unit prints a label displaying the price of the product based on the weight of the product. The person sensor detects whether or not the shopper is present at the weighing device. The shopper-side notification unit guides the shopper through purchasing and label printing in response to the person sensor detecting the presence of the shopper. | 05-23-2013 |
Wakako Tsugawa, Koganei-Shi, Tokyo JP
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20100200429 | METHOD FOR MEASURING SUBSTRATE CONCENTRATION AND DEVICE FOR THE SAME - The present invention provides a method for measuring a substrate concentration by accumulating an energy resulting from a reaction between a biocatalyst and a substrate recognized by the biocatalyst to a certain level; and using a dependency of an accumulation rate on the substrate concentration as an index; and a apparatus therefor. In particular, the present invention provides a method in which the measurement of the accumulation rate is carried out by measuring a frequency of an energy release in a certain amount of time when the energy accumulated in the capacitor reaches the certain level and is then released. | 08-12-2010 |
Wakako Tsugawa, Tokyo JP
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20090162881 | METHOD OF MEASURING ADENINE NUCLEOTIDE - A high sensitivity electrochemistry type method for measuring adenine nucleotide which has a convenient and further miniaturized measuring device structure; is low in consumptive power; and does not require a treatment operation for substances that cause turbidity is provided. A method for measuring adenine nucleotide, which comprises a step A for converting adenosine triphosphate to adenosine diphosphate by an enzyme E | 06-25-2009 |
20100261072 | ENZYME ELECTRODE - The present invention provides an enzyme electrode composed of a carbon particle on which glucose dehydrogenase (GDH) with flavine adenine dinucleotide (FAD) as a coenzyme is supported and an electrode layer contacting the carbon particle, wherein the carbon particle and/or the electrode layer are/is composed of the carbon particles with a particle diameter of not more than 100 nm and a specific surface area of at least 200 m | 10-14-2010 |
20130015063 | DEVICE FOR MEASURING SUBSTRATE CONCENTRATION - The present invention provides a method for measuring a substrate concentration by accumulating an energy resulting from a reaction between a biocatalyst and a substrate recognized by the biocatalyst to a certain level; and using a dependency of an accumulation rate on the substrate concentration as an index; and a apparatus therefor. In particular, the present invention provides a method in which the measurement of the accumulation rate is carried out by measuring a frequency of an energy release in a certain amount of time when the energy accumulated in the capacitor reaches the certain level and is then released. | 01-17-2013 |
20130015078 | METHOD FOR MEASURING SUBSTRATE CONCENTRATION - The present invention provides a method for measuring a substrate concentration by accumulating an energy resulting from a reaction between a biocatalyst and a substrate recognized by the biocatalyst to a certain level; and using a dependency of an accumulation rate on the substrate concentration as an index; and a apparatus therefor. In particular, the present invention provides a method in which the measurement of the accumulation rate is carried out by measuring a frequency of an energy release in a certain amount of time when the energy accumulated in the capacitor reaches the certain level and is then released. | 01-17-2013 |
Yasuhiko Tsugawa, Kanagawa JP
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20080231887 | IMAGE FORMING APPARATUS MANAGEMENT SYSTEM, IMAGE FORMING APPARATUS, MANAGING APPARATUS, TERMINAL APPARATUS, IMAGE FORMING APPARATUS MANAGING METHOD, AND IMAGE FORMING PROGRAM - A disclosed managing apparatus and image forming apparatus management system ensure confidentiality of information in an image forming apparatus while usability is maintained. An image forming apparatus acquires IC card identifying information with an IC card reader. A management server acquires a user ID associated with the acquired IC card identifying information and use limit information concerning use of the image forming apparatus. A process is performed in the image forming apparatus in accordance with the use limit information. | 09-25-2008 |
20140176987 | IMAGE FORMING APPARATUS MANAGEMENT SYSTEM, IMAGE FORMING APPARATUS, MANAGING APPARATUS, TERMINAL APPARATUS, IMAGE FORMING APPARATUS MANAGING METHOD, AND IMAGE FORMING PROGRAM - A disclosed managing apparatus and image forming apparatus management system ensure confidentiality of information in an image forming apparatus while usability is maintained. An image forming apparatus acquires IC card identifying information with an IC card reader. A management server acquires a user ID associated with the acquired IC card identifying information and use limit information concerning use of the image forming apparatus. A process is performed in the image forming apparatus in accordance with the use limit information. | 06-26-2014 |
Yasuhiro Tsugawa, Osaka JP
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20160122849 | COPPER ALLOY WIRE - This copper alloy wire is a copper alloy wire which is made of a precipitation hardening-type copper alloy containing Co, P, and Sn and is manufactured using a continuous cast-rolling method or cold working of a continuous cast wire rod manufactured using a continuous casting method, in which the copper alloy wire has a composition including Co: more than or equal to 0.20 mass % and less than or equal to 0.35 mass %, P: more than 0.095 mass % and less than or equal to 0.15 mass %, and Sn: more than or equal to 0.01 mass % and less than or equal to 0.5 mass % with a balance being Cu and inevitable impurities. | 05-05-2016 |