Kouta
Kouta Arino, Oyama-Shi JP
Patent application number | Description | Published |
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20090056921 | HEAT EXCHANGER - An evaporator | 03-05-2009 |
20090166019 | Double-wall-tube heat exchanger - A double-wall-tube heat exchanger has an outer tube, and an inner tube disposed concentrically in and spaced apart from the outer tube. A clearance between the outer tube and the inner tube and the interior of the inner tube serve as respective refrigerant flow paths. The inner tube has a plurality of interior fins formed on its inner circumferential surface. The interior fins project radially inward; extend in a longitudinal direction of the inner tube; and are arranged at circumferential intervals. The inner tube has a plurality of elongated projections formed on its outer circumferential surface. The elongated projections project radially outward; extend in the longitudinal direction; and are arranged at circumferential intervals. The interior fins are greater in height than the elongated projections. The double-wall-tube heat exchanger exhibits excellent heat exchange performance. | 07-02-2009 |
20120305228 | CONDENSER - A condenser includes first and second header tanks provided at one end thereof such that the latter is located on the outer side of the former. First heat exchange tubes forming a first heat exchange path provided in a condensation part are connected to the first header tank. Second heat exchange tubes forming a second heat exchange path provided in a super-cooling part are connected to the second header tank. The first header tank has one communication section which communicates with the second header tank through a communication part and to which all the heat exchange tubes forming the first heat exchange path are connected. The communication part is provided at a height below the uppermost heat exchange tube among all the heat exchange tubes connected to the communication section. The upper end of the first header tank is located above the lower end of the second header tank. | 12-06-2012 |
20140014296 | CONDENSER - A first header tank of a condenser serves as a condensation section outlet header section. A second header tank has lower end upper ends respectively located below and above the lower end of the first header tank. A portion of a second header tank located below the lower end of the first header tank serves as a super-cooling section inlet header section. The second header tank also serves as a reservoir section. The interior of the condensation section outlet header section of the first header tank communicates, through a communication section, with a portion of the interior of the second header tank, which portion is located above the lower end of the first header tank. A flow velocity reducing member is provided in the second header tank so as to reduce the flow velocity of liquid-phase dominant refrigerant which flows into the reservoir section through the communication section. | 01-16-2014 |
20140069610 | HEAT EXCHANGER - The tank main body of a header tank of a condenser has slits formed in a circumferential wall thereof at positions between opposite end surfaces of the circumferential wall and heat exchange tubes at the opposite ends. Plate-shaped closure members are inserted into the slits from the outside of the tank main body and joined to the circumferential wall of the tank main body. Drain openings are formed in the circumferential wall of the tank main body at positions on the outer sides of the closure members as viewed in the longitudinal direction of the tank main body. A portion of a surface of each closure member which faces outward in the longitudinal direction of the tank main body forms a portion of a peripheral edge of the corresponding drain opening. | 03-13-2014 |
Kouta Ashiuchi, Niwa-Gun JP
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20100101383 | COMBINATION MACHINING LATHE - In a combination machining lathe, a workpiece holding device holds a workpiece in a manner that permits the workpiece to rotate around an axis parallel to a direction of a horizontal Z axis. A tool post holds a tool that comprises a holder and a bit. The tool held by the tool post is indexed to a position in which the longitudinal axis of the holder is parallel to an X axis direction. The bit of the tool held by the tool post is angled such that a longitudinal axis of the bit is disposed in a position tilted away from the X axis direction closer to a horizontal axis in a plane containing the X axis and the Y axis. A turning operation is performed while the tool and/or the workpiece are moved relative to each other in a direction of the longitudinal axis of the bit. | 04-29-2010 |
Kouta Bansyou, Tokyo JP
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20150162849 | CONTROL DEVICE AND CONTROL DEVICE OF POWER CONVERSION CIRCUIT - Provided are a control device and a control device for a power conversion circuit, said control device having a first control circuit that compensates for detection delays in an analog-to-digital conversion circuit of a second control circuit that compensates for response delays of the integral element and the derivative element of the first control circuit. A first control circuit ( | 06-11-2015 |
Kouta Fujii, Toda-Shi JP
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20150245765 | OPHTHALMOLOGIC IMAGING APPARATUS AND OPTICAL UNIT ATTACHABLE TO THE SAME - An optical system of an ophthalmologic imaging apparatus of embodiment splits light from a first light source into measurement light and reference light and detects interference light of returned light of measurement light from an eye and reference light. An image forming part forms an image based on detection result from the optical system. The optical unit includes a lens and joining member. The lens is locatable in an optical path of measurement light and used for changing a focus position of measurement light from a first site of the eye to second site. The joining member joins an optical path from a second light source to the optical path of measurement light. The optical unit converges light from the second light source having been guided into the optical path of measurement light by the joining member on an eye fundus via the lens. | 09-03-2015 |
Kouta Hamada, Odawara-Shi JP
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20110163464 | Natural evaporation type humidifier - A natural evaporation type humidifier including a sheet-like member provided with a water supply section to supply water to a humidifying section. Because the water supply section immersed in the water is folded up, that portion of the sheet-like member which has a large area is compact in size, and this allows the portion to be immersed in water so as to function as the water supply section. That is, although compactly formed, that portion of the sheet-like member which has the area which is relatively large can function as the water supply section, and as a result, the water supply section has high water supply performance. In contrast to the water supply section, the humidifying section has an expanded shape, so that the humidifying section has a sufficient area for evaporating the water. | 07-07-2011 |
Kouta Hori, Chiyoda-Ku JP
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20140049827 | ANTIREFLECTION LAMINATE - To provide an antireflection stack, whereby a reflected color is moderate, and a multicolorization is suppressed. The antireflection stack | 02-20-2014 |
Kouta Ishitsu, Tokyo JP
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20150376073 | METHOD FOR MACHINING CERAMIC MATRIX COMPOSITE - A method for machining a ceramic matrix composite (CMC), the method enhancing a machining speed for the ceramic matrix composite (CMC), includes: a step of scanning an irradiated portion of a surface of a machining target material by a laser head to irradiate the irradiated portion with laser light from the laser head, and forming a deteriorated layer on the irradiated portion of the surface of the machining target material; and a step of sequentially removing the deteriorated layer by an end mill, the deteriorated layer being formed on the irradiated portion, wherein the deteriorated layer is formed by heating the irradiated portion up to a predetermined temperature by irradiation of continuous oscillation laser light, and by forming a crack by irradiation of pulsed oscillation laser light. | 12-31-2015 |
Kouta Kataoka, Yasugi JP
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20100193089 | HOT-WORKING TOOL STEEL HAVING EXCELLENT TOUGHNESS AND HIGH-TEMPERATURE STRENGTH AND METHOD FOR PRODUCTION THEREOF - Disclosed is a hot-working tool steel having improved toughness and high-temperature strength. Also disclosed is a method for producing the hot-working tool steel. The hot-working tool steel comprises the following components (by mass): C: 0.34-0.40%, Si: 0.3-0.5%, Mn: 0.45-0.75%, Ni: 0-0.5% (exclusive), Cr: 4.9-5.5%, (Mo+1/2W): 2.5-2.9% (provided that Mo and W are contained singly or in combination), and V: 0.5-0.7%, with the remainder being Fe and unavoidable impurities. Preferably, the cross-sectional structure of the hot-working tool steel upon quenching contains a granular structure and an acicular structure, wherein the granular structure (A %) accounts for 45 area % or less, the acicular structure (B %) accounts for 40 area % or less, and the remaining austenite (C %) accounts for 5 to 20 volume %.; Also disclosed is a method for producing a hot-working tool steel, which comprises tempering the above-mentioned hot-working tool steel so that a value X determined by the following relational expression between a tempered hardness (HRC) and the percentages of the tissues becomes 40 or greater. | 08-05-2010 |
Kouta Kataoka, Shimane JP
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20140283619 | METHOD FOR EVALUATING CORROSION-FATIGUE LIFE OF STEEL MATERIAL - A method for evaluating the corrosion-fatigue life of a steel material includes: bringing a corrosive medium into contact with a predetermined portion of the steel material; measuring strain on the steel material while applying cyclic loads to the steel material; measuring an N-th strain index from strain amplitude at the number of initial load applications and strain amplitude at the N-th load application (N is a natural number larger than the number of initial load applications); and estimating the corrosion-fatigue life of the steel material by comparing the N-th strain index with a previously certified life strain index. | 09-25-2014 |
Kouta Kitamura, Ohtsu-Shi JP
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20100055536 | METHOD FOR PRODUCING A POLYMER ELECTROLYTE MEMBRANE - The invention provides a method for producing a polymer electrolyte membrane including (A) a membrane formation step of forming a membrane-form product of an ionic group-containing polymer electrolyte on a support, (B) an acid treatment step of exchanging the ionic group into an acid type by bringing the membrane into contact with an inorganic acid-containing acidic liquid, (C) an acid removal step of removing a free acid in the acid-treated membrane, and (D) a drying step of drying the acid-removed membrane, wherein the steps (B) to (D) are carried out without separating the membrane from the support. | 03-04-2010 |
Kouta Kitamura, Shiga JP
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20110065021 | Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, Application Thereof, and Method of Manufacturing Novel Block Copolymer - [Object] To provide a proton exchange membrane for a fuel cell having excellent proton conductivity, lower property of swelling with hot water, and excellent durability, as well as a block copolymer forming the proton exchange membrane, and a composition, a molded product, a fuel cell proton exchange membrane electrode assembly, and a fuel cell. | 03-17-2011 |
20120129076 | Novel Sulfonic Acid Group-Containing Segmented Block Copolymer and Use Thereof - Disclosed is a proton exchange membrane for use in fuel cells, which not only has improved proton conductivity and resistance to swelling caused by hot water but also has greater durability when used in a fuel cell, as well as a sulfonic acid group-containing segmented block copolymer constituting the proton exchange membrane, a membrane electrode assembly using the proton exchange membrane, and a fuel cell using the membrane electrode assembly. A sulfonic acid group-containing segmented block copolymer, which is a di- or multi-block copolymer including, within a molecule, at least one kind of hydrophilic segment and at least one kind of hydrophobic segment, a 0.5 g/dL solution thereof dissolved in N-methyl-2-pyrrolidone as a solvent showing a logarithmic viscosity measured at 30° C. in the range of 0.5 to 5.0 dL/g, wherein the copolymer has at least one kind of hydrophobic segment represented by Chemical Formula 1, the segment has a structure bound to a group represented by Chemical Formula 2, and the hydrophilic segment has at least one kind of structure represented by Chemical Formula 3 or Chemical Formula 3-2. | 05-24-2012 |
Kouta Manabe, Gold River, CA US
Patent application number | Description | Published |
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20080254329 | FUEL CELL OUTPUT CHARACTERISTIC ESTIMATION APPARATUS AND OUTPUT CHARACTERISTIC ESTIMATION METHOD, FUEL CELL SYSTEM AND VEHICLE HAVING THE SAME, AND FUEL CELL OUTPUT CONTROL METHOD AND DATA STORAGE MEDIUM - An output characteristic of a fuel cell is estimated by detecting an output current of the fuel cell and a voltage between terminals of the fuel cell, and then estimating the output characteristic of the fuel cell on the basis of the detected output current and the detected voltage between the terminals, and a basic output characteristic of the fuel cell. | 10-16-2008 |
20100119900 | FUEL CELL OUTPUT CHARACTERISTIC ESTIMATION APPARATUS AND OUTPUT CHARACTERISTIC ESTIMATION METHOD, FUEL CELL SYSTEM AND VEHICLE HAVING THE SAME, AND FUEL CELL OUTPUT CONTROL METHOD AND DATA STORAGE MEDIUM - An output characteristic of a fuel cell is estimated by detecting an output current of the fuel cell and a voltage between terminals of the fuel cell, and then estimating the output characteristic of the fuel cell on the basis of the detected output current and the detected voltage between the terminals, and a basic output characteristic of the fuel cell. | 05-13-2010 |
Kouta Nakao, Shizuoka JP
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20090108630 | Vehicle cowl for deflecting road debris - A vehicle cowl may comprise a receiving portion formed as a local depression, and one or more openings formed on sides of the receiving portion. The vehicle cowl may be configured to be disposed rearward of a front wheel of a vehicle, the one or more openings to face rearward and the local depression to extend rearward when the vehicle cowl is in place on the vehicle. The receiving portion may be configured to receive and/or deflect an object or substance splashed or thrown up by the front wheel, such as water, mud or road debris, in a position rearward of the front wheel. Moreover, air can flow through the one or more openings on the sides of the receiving portion, to cool heat-generating parts such as the radiator and engine. The vehicle may be a motorcycle. | 04-30-2009 |
20120043150 | MOTORCYCLE - A motorcycle prevents an increase in air resistance and prevents wind and mud from hitting a rider during travelling of the motorcycle. A side cover of the motorcycle includes a first side cover and a second side cover. The first side cover is disposed laterally outwards of a head pipe and a front fork. The second side cover is disposed laterally outwards of a portion of the first side cover. A lateral end of the second side cover is positioned laterally outwards of the first side cover. A rear edge of the first side cover is at least partially positioned rearwards of a rear edge of the second side cover. | 02-23-2012 |
Kouta Nakata, Shinagawa-Ku JP
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20140207454 | TEXT REPRODUCTION DEVICE, TEXT REPRODUCTION METHOD AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a text reproduction device includes a setting unit, an acquiring unit, an estimating unit, and a modifying unit. The setting unit is configured to set a pause position delimiting text in response to input data that is input by the user during reproduction of speech data. The acquiring unit is configured to acquire a reproduction position of the speech data being reproduced when the pause position is set. The estimating unit is configured to estimate a more accurate position corresponding to the pause position by matching the text around the pause position with the speech data around the reproduction position. The modifying unit is configured to modify the reproduction position to the estimated more accurate position in the speech data, and set the pause position so that reproduction of the speech data can be started from the modified reproduction position when the pause position is designated by the user. | 07-24-2014 |
20140358548 | VOICE PROCESSOR, VOICE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a voice processor includes a presenting unit to present text to an operator; a voice acquisition unit to acquire a voice of the operator reading aloud the text; an identifying unit to identify output intervals of phonemes included in the voice; a determination unit to determine whether each of time lengths of the output intervals is normal; a frequency acquisition unit to acquire frequency values respectively representing occurrence frequencies of contexts, respectively corresponding to the phonemes, the context including the phoneme and another phoneme adjacent to at least one side of the phoneme; and a score calculator to calculate a score representing correctness of the voice on the basis of the determination results of the time lengths of the output intervals and the frequency values of the contexts acquired respectively corresponding to the phonemes. | 12-04-2014 |
Kouta Noda, Igi-Gun JP
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20120125680 | MULTILAYERED PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - An opening is formed in resin | 05-24-2012 |
Kouta Noda, Ibi-Gun JP
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20090145652 | PRINTED WIRING BOARD AND ITS MANUFACTURING METHOD - The present invention has for its object to provide a process for manufacturing multilayer printed circuit boards which is capable of simultaneous via hole filling and formation of conductor circuit and via holes of good crystallinity and uniform deposition can be constructed on a substrate and high-density wiring and highly reliable conductor connections can be realized without annealing. | 06-11-2009 |
Kouta Oishi, Toyota-Shi JP
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20150246703 | INVERTED TWO-WHEELED VEHICLE - An inverted two-wheeled vehicle includes: an inverted two-wheeled vehicle body; a pair of step plates, a rider putting both feet on the pair of step plates; a parallel link mechanism that links the pair of step plates so that the pair of step plates are inclined to the right or the left in unison; a handle that is supported by the inverted two-wheeled vehicle body; and a controller that controls a turning movement of the inverted two-wheeled vehicle according to an inclination of the pair of step plates in the horizontal direction. The handle is supported by the inverted two-wheeled vehicle body so that the handle does not work with the pair of step plates when the step plates are inclined to the right or the left. | 09-03-2015 |
Kouta Oishi, Nagakute-Shi JP
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20150298756 | INVERTED VEHICLE - An inverted vehicle according to the present invention includes: wheel; a base that holds the wheel; a step cover on which a rider rides, the step cover being connected to an upper portion of the base; an elastic element that is connected to the upper portion of the base and elastically supports the step cover; a detection portion that is provided between the base and the step cover and detects a pressing force applied from the step cover when the rider is riding on the inverted vehicle and the elastic element is elastically deformed to thereby depress the step cover; and a control portion that drives the wheel based on the detection of the pressing force by the detection portion. The step cover is connected to the base with a hinge. | 10-22-2015 |
20160003695 | RELIABILITY DESIGN ASSISTANCE DEVICE, RELIABILITY DESIGN ASSISTANCE METHOD, AND RELIABILITY DESIGN ASSISTANCE PROGRAM - A relational expression calculator calculates a relational expression by performing approximation calculation for data strings each of which associates the value of a subject factor, which varies according to a user or an environment, with an input stress measurement value that is measured when a subject device is used. An input stress calculator calculates an input stress, which is input to the subject device, according to the relational expression and to index data on the subject factor. A failure rate calculator calculates a failure rate of the subject device according to the input stress and to a characteristic value distribution of the subject device. | 01-07-2016 |
Kouta Oishi US
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20150298756 | INVERTED VEHICLE - An inverted vehicle according to the present invention includes: wheel; a base that holds the wheel; a step cover on which a rider rides, the step cover being connected to an upper portion of the base; an elastic element that is connected to the upper portion of the base and elastically supports the step cover; a detection portion that is provided between the base and the step cover and detects a pressing force applied from the step cover when the rider is riding on the inverted vehicle and the elastic element is elastically deformed to thereby depress the step cover; and a control portion that drives the wheel based on the detection of the pressing force by the detection portion. The step cover is connected to the base with a hinge. | 10-22-2015 |
Kouta Oishi, Nagakute-Shi, Aichi-Ken JP
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20160083024 | INVERTED VEHICLE AND CONTROL METHOD THEREOF - An inverted vehicle includes: a main body; two wheels rotatably supported to the main body; a driver that drives the two wheels rotatably; a load distribution detector that detects a distribution of load received by the main body due to a weight of a rider; a center position computer that computes a center position of the load distribution; an operating bar that is supported to the main body and that is operated so as to be inclined by the rider; a posture, detector that detects a posture of the operating bar; a target travel velocity setting portion that sets a target travel velocity on the basis of the center position and the posture of the operating bar; and a drive controller that controls the driver on the basis of the target travel velocity. | 03-24-2016 |
Kouta Oishi, Kyoto-Shi JP
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20080317590 | PRODUCTION METHOD OF STATOR BLADE AND TURBO-MOLECULAR PUMP WITH THE STATOR BLADE - Disclosed is a method of producing a stator blade for use in a turbo-molecular pump. The method includes subjecting a metal plate to a slitting process to form a blade element having an upstream edge surface and a downstream edge surface, wherein a laser beam is emitted onto the metal plate at an incident angle oblique to a principal surface of the metal plate. Thus, the upstream edge surface and/or the downstream edge surface can be formed to extend obliquely relative to the principal surface of the metal plate, in a simple manner, while eliminating a need for a burr removal operation which would otherwise be necessary in a punching-based slitting process. | 12-25-2008 |
20090068008 | FASTENING STRUCTURE AND ROTARY VACUUM PUMP - Disclosed is a fastening structure for fastening a gas inlet flange of a turbo-molecular pump by a bolt to a flange of a target unit that will be subjected to a vacuum. The gas inlet flange has a slot-shaped bolt hole formed at a position adjacent to an outer peripheral edge thereof in such a manner that a longitudinal direction of the slot-shaped bolt hole approximately conforms to a direction tangential to the circumference of the gas inlet flange. A cushioning member made of foamed metal is disposed in the bolt hole. Even if an impact force occurs due to failure in the turbo-molecular pump, the cushioning member can receive the impact force to be applied from the gas inlet flange to the bolt. | 03-12-2009 |
20110064562 | Turbomolecular Pump - A turbomolecular pump has multiple stages of alternately arranged rotors and stators. Each of the rotors has blades radially extending from a rotating body. Each of the stators has blades radially extending toward the rotating shaft of the rotating body. The blades provided on at least either of a rotor and a stator are formed in a twisted shape having a blade angle set by an expression in which the radial distance from the rotating shaft is a variable. The expression of the blade angle is composed of a first expression which provides the optimum angle of each blade on the outer side of a predetermined radius of the blade and also composed of a second expression which provides the blade angle suppressing, on the inner side of the predetermined radius, reverse flow of gas molecules. | 03-17-2011 |
Kouta Okabe, Gifu JP
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20140300710 | DISPLAY UNIT AND ELECTRONIC APPARATUS - There is provided a display unit that achieves more favorable image. This display unit includes: an illumination unit including a light-guiding plate; and a display section adhered to the light-guiding plate to face the light-guiding plate, and performing image display by utilizing light from the light-guiding plate. The light-guiding plate has first and second internal reflection surfaces facing each other. At least one of the first and second internal reflection surfaces is provided with a plurality of scattering regions that scatter first illumination light from outside and allow scattered light travelling from the first internal reflection surface towards the display section to be emitted. | 10-09-2014 |
Kouta Sano, Fukuoka-Ken JP
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20140045068 | POSITIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides positive electrode active substance particles which are improved in charge/discharge capacities, cycle characteristics and thermal stability. The positive electrode active substance particles according to the present invention comprise a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m and having a specific peak intensity ratio, in which a content of Mn in the compound is controlled such that a molar ratio of Mn/(Ni+Co+Mn) therein is not less than 0.55; a content of boron in the compound is 0.01 to 1% by weight; a content of fluorine in the compound is 0.01 to 5% by weight; and a content of an element A (at least one element selected from the group consisting of Al, Mg, Ti, Zr, Ca, Fe, Zn, Mo and Bi) in the compound is 0.004 to 9% by weight, and can be produced by calcining a mixture comprising precursor particles comprising Mn and Ni and/or Co, a lithium compound, a boron compound, a fluorine compound and a compound of the element A. | 02-13-2014 |
Kouta Sato, Hiroshima-Ken JP
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20110091772 | PROCESS FOR PRODUCING LITHIUM IRON PHOSPHATE PARTICLES, LITHIUM IRON PHOSPHATE PARTICLES HAVING OLIVINE TYPE STRUCTURE, AND POSITIVE ELECTRODE SHEET AND NON-AQUEOUS SOLVENT-BASED SECONDARY BATTERY USING THE LITHIUM IRON PHOSPHATE PARTICLES - The present invention relates to a process for producing lithium iron phosphate particles having an olivine type structure, comprising a first step of mixing an iron oxide or an iron oxide hydroxide as an iron raw material which comprises at least one element selected from the group consisting of Na, Mg, Al, Si, Cr, Mn and Ni in an amount of 0.1 to 2 mol % for each element based on Fe, and a carbon element C in an amount of 5 to 10 mol % based on Fe, and has a content of Fe | 04-21-2011 |
Kouta Suzuki, Tokyo JP
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20110102944 | METHOD OF PRODUCING A PERPENDICULAR MAGNETIC RECORDING MEDIUM AND PERPENDICULAR MAGNETIC RECORDING MEDIUM - An object of the present invention is to provide a perpendicular magnetic recording medium including a suitable lubricating layer with sufficient durability, moisture resistance, and contamination resistance and also maintaining an R/W characteristic. In a typical structure of the present invention, a method of manufacturing a perpendicular magnetic recording medium | 05-05-2011 |
Kouta Takahashi, Matsumoto City JP
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20090206398 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR DEVICE - A semiconductor device including an n-type semiconductor substrate, a p-type channel region and a junction layer provided between the n-type semiconductor substrate and the p-type channel region is disclosed. The junction layer has n-type drift regions and p-type partition regions alternately arranged in the direction in parallel with the principal surface of the n-type semiconductor substrate. The p-type partition region forming the junction layer is made to have a higher impurity concentration than the n-type drift region. This enables the semiconductor device to have an enhanced breakdown voltage and, at the same time, have a reduced on-resistance. | 08-20-2009 |
Kouta Tanaka, Mie JP
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20140116872 | METHOD FOR PRODUCING 1, 4-BUTANEDIOL - An object of the present invention is to provide an industrially advantageous production method of 1,4BG, ensuring that generation of THF in the crude 1,4BG can be also suppressed and at the same time, the concentration of 2-(4-hydroxybutoxy)-tetrahydrofuran can be reduced. The present invention relates to a method for producing 1,4-butanediol, comprising heating crude 1,4-butanediol containing from 0.01 to 0.5 wt % of 2-(4-hydroxybutoxy)-tetrahydrofuran and from 1 to 25 wt % of water at 80° C. or more in the presence of an amine to obtain purified 1,4-butanediol. | 05-01-2014 |
20140135511 | METHOD FOR PRODUCING HYDRIDE USING UNSATURATED COMPOUND HAVING CARBON NUMBER OF 4 AS RAW MATERIAL - The present invention relates to a method for producing a hydride having a carbon number of 4, comprising contacting, in liquid phase, an unsaturated compound having a carbon number of 4 as a raw material with a solid catalyst obtained by loading a metal element belonging to Groups 9 to 11 of the long periodic table on a support, thereby performing hydrogenation to produce a corresponding hydride having a carbon number of 4, wherein hydrogenation is performed in the presence of, as a solvent, a 1,4-butanediol having a nitrogen component concentration of 1 ppm by weight to 1 wt % in terms of nitrogen atom. | 05-15-2014 |
20140179935 | METHOD FOR PRODUCING TETRAHYDROFURAN - The present invention is concerned with a method for producing tetrahydrofuran including carrying out a dehydration cyclization reaction of 1,4-butanediol in the presence of an acid catalyst having a pKa value of not more than 4 within a reactor, wherein a raw material liquid containing 1,4-butanediol to be provided for the reaction contains from 0.01 to 0.35% by weight of 2-(4-hydroxybutoxy)-tetrahydrofuran and 1 ppm by weight or more and not more than 1,000 ppm by weight of at least one of an amine and an amide in terms of a concentration as converted into a nitrogen atom. | 06-26-2014 |
20140187740 | 1,4-BUTANEDIOL-CONTAINING COMPOSITION - The present invention is aimed to provide a 1,4-butanediol-containing composition having high thermal stability as compared with conventional 1,4BG, and the present invention is concerned with a 1,4-butanediol-containing composition having a concentration of 1,4-butanediol of 99.00% by weight or more and not more than 99.99% by weight and containing an amide compound in a concentration, as converted into a nitrogen atom, of from 1.0 to 50 ppm by weight. | 07-03-2014 |
Kouta Tanaka, Shunan-Shi JP
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20100288730 | Vacuum Processing Apparatus And Vacuum Processing Method Using The Same - The invention provides a vacuum processing chamber comprising a particle removing function and capable of improving the yield and process efficiency for processing samples. The vacuum processing apparatus for transferring and processing samples comprises a processing chamber | 11-18-2010 |
Kouta Tomita, Nonoichi Ishikawa JP
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20160079412 | SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTURING THE SAME - A semiconductor device includes a first-conductive-type first semiconductor layer having a first surface and an opposing second surface. A first-conductive-type second semiconductor layer is on the first surface, and a second-conductive-type third semiconductor layer is on the second semiconductor layer. A first-conductive-type fourth semiconductor layer is on the third semiconductor layer. A first electrode is provided on the second semiconductor layer, the third semiconductor layer, and the fourth semiconductor layer via an insulating film. A second electrode is on the fourth semiconductor layer. A third electrode is separated from the second electrode in a second direction. The third electrode has a width in the second direction, and the width of the third electrode narrows from a first depth to a second depth. An angle of the side surface of the second semiconductor layer is greater than or equal to 90 degrees. | 03-17-2016 |
Kouta Yamamoto, Nagoya-Shi JP
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20120284974 | ENGAGING CLIP - An engaging clip is provided, which enables a part of a cover material to be hung and engaged in a hanging recess formed in a cushion pad. The engaging clip includes a chuck part, to which a hanging part attached to the cover material is engaged, and a hook part which is hooked and engaged to an engaging member provided in the hanging recess of the cushion pad. The hook part includes a guide piece and a hook piece. The engaging member is inserted between the guide piece and the hook piece while the both pieces are bent outward so as to widen a gap therebetween, so that the hook piece is hooked and engaged to the engaging member. An end portion of the hook piece at a base side is connected to a side part of the chuck part to be supported in a cantilever manner. | 11-15-2012 |