Patents by Inventor Kazuya Murata
Kazuya Murata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8575472Abstract: In order to increase photoelectric conversion efficiency in a photoelectric conversion device, there is disclosed a photoelectric converter containing a photoelectric conversion unit in which a p-type layer (40) containing a p-type dopant, an i-type layer (42) that is a microcrystalline silicon layer that is an electricity-generating layer, and an n-type layer (44) containing an n-type dopant are layered, wherein the p-type layer (40) is caused to have a layered structure comprising a first p-type layer (40a) that is a microcrystalline silicon layer, and a second p-type layer (40b) containing at least one of an amorphous silicon carbide p-type layer and an amorphous silicon p-type layer disclosed between the microcrystalline silicon p-type layer (40a) and the i-type layer (42). The second p-type layer (40b) is provided with an oxide layer on the side of the i-type layer (42).Type: GrantFiled: June 14, 2012Date of Patent: November 5, 2013Assignee: Sanyo Electric Co., Ltd.Inventors: Kazuya Murata, Mitsuhiro Matsumoto
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Patent number: 8490960Abstract: A sheet processing apparatus is provided with a conveying path forming member that forms a sheet conveying path having a curved portion through which a front edge of the sheet passes, a sheet conveying unit that conveys the sheet along the sheet conveying path, a sheet folding unit that folds the sheet along the folding line in the sheet conveying path, and then conveys the sheet toward a discharge direction with the folding line discharged first as a front edge, and a sheet position defining unit that defines a position of the front edge of the sheet in the curved portion of the sheet conveying path so that a target position of the folding line on the sheet coincides with a folding position of the sheet folding unit. The sheet position defining unit can adjust an inclination of the front edge of the sheet.Type: GrantFiled: February 9, 2012Date of Patent: July 23, 2013Assignee: Ricoh Company, LimitedInventors: Kazuya Murata, Mitsuru Ichikawa, Toshikazu Sato
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Publication number: 20120266948Abstract: In order to increase photoelectric conversion efficiency in a photoelectric conversion device, there is disclosed a photoelectric converter containing a photoelectric conversion unit in which a p-type layer (40) containing a p-type dopant, an i-type layer (42) that is a microcrystalline silicon layer that is an electricity-generating layer, and an n-type layer (44) containing an n-type dopant are layered, wherein the p-type layer (40) is caused to have a layered structure comprising a first p-type layer (40a) that is a microcrystalline silicon layer, and a second p-type layer (40b) containing at least one of an amorphous silicon carbide p-type layer and an amorphous silicon p-type layer disclosed between the microcrystalline silicon p-type layer (40a) and the i-type layer (42). The second p-type layer (40b) is provided with an oxide layer on the side of the i-type layer (42).Type: ApplicationFiled: June 14, 2012Publication date: October 25, 2012Applicant: SANYO Electric Co., Ltd.Inventors: Kazuya Murata, Mitsuhiro Matsumoto
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Publication number: 20120220440Abstract: A sheet processing apparatus is provided with a conveying path forming member that forms a sheet conveying path having a curved portion through which a front edge of the sheet passes, a sheet conveying unit that conveys the sheet along the sheet conveying path, a sheet folding unit that folds the sheet along the folding line in the sheet conveying path, and then conveys the sheet toward a discharge direction with the folding line discharged first as a front edge, and a sheet position defining unit that defines a position of the front edge of the sheet in the curved portion of the sheet conveying path so that a target position of the folding line on the sheet coincides with a folding position of the sheet folding unit. The sheet position defining unit can adjust an inclination of the front edge of the sheet.Type: ApplicationFiled: February 9, 2012Publication date: August 30, 2012Applicant: RICOH COMPANY, LIMITEDInventors: Kazuya Murata, Mitsuru Ichikawa, Toshikazu Sato
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Publication number: 20120115272Abstract: When a solar battery configured by laminating a p-type layer, an i-type layer and an n-type layer in this order is produced, an n-type microcrystalline silicon thin film is formed as an n-type layer under film forming conditions wherein a ratio of the flow rate of an n-type dopant-containing gas to the flow rate of a silicon-containing gas is 0.03 or less, the ratio of the flow rate of a diluent gas to the flow rate of a silicon-containing gas is 70 or more, and the total pressure of a material gas is 200 Pa or more.Type: ApplicationFiled: May 14, 2010Publication date: May 10, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventors: Mitsuhiro Matsumoto, Kazuya Murata
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Patent number: 8144386Abstract: There are provided particles for display media capable of properly controlling change in an amount of charge by heating and an information display panel, by using the particles for display media capable of eliminating a display failure and reduction in contrast ratio.Type: GrantFiled: September 20, 2004Date of Patent: March 27, 2012Assignee: Bridgestone CorporationInventors: Norihiko Kaga, Kazuya Murata, Gaku Yakushiji
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Patent number: 7995266Abstract: Particles for display media are constructed as spherical resin fine particles, in which functional groups indicating positively-charging properties are existent on their surfaces, which are obtained by polymerizing monomer by utilizing initiator having functional groups indicating positively-charging properties produced by reacting organic alkyl sulfonates and both terminal ends of azo initiator having cationic functional group including nitrogen-containing heterocycle or nitrogen-containing fatty series, or, are constructed as spherical resin fine particles, in which functional group indicating charging properties or ionic properties are existent on their surfaces, which are obtained by polymerizing monomer by utilizing initiator having functional groups indicating charging properties or ionic properties at its both terminal ends.Type: GrantFiled: February 8, 2008Date of Patent: August 9, 2011Assignee: Bridgestone CorporationInventors: Masahiro Homma, Norihiko Kaga, Kazuya Murata
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Patent number: 7982940Abstract: The present invention provides particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at least one of two substrates being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information, comprising: the particles having a substantially spherical shape, which are made by polymerizing raw materials including monomers, which include (acrylic or methacrylic) resin-hydrocarbon resin copolymer in the particles, in which a part of or all of the monomers are a multifunctional monomer having a plurality of polymerization reactive groups in one molecule, and which have minute irregularities on their surface evenly. By such a construction, the particles for display media can obtain irregularities firmly fixed on their surface. Poor display can be solved by using the same.Type: GrantFiled: December 14, 2005Date of Patent: July 19, 2011Assignee: Bridgestone CorporationInventors: Kazuya Murata, Takao Ohuchi, Hajime Kitano
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Publication number: 20110168259Abstract: A thin film solar cell is employed having a power generation layer formed with a microcrystalline silicon film including, in its plane, a first region and a second region in which a percentage of crystallization is lower than the first region and a carrier lifetime is higher than the first region.Type: ApplicationFiled: February 25, 2010Publication date: July 14, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Kazuya Murata, Hirotaka Katayama, Mitsuhiro Matsumoto, Yoichiro Aya
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Publication number: 20110056560Abstract: Reduction in characteristic due to non-uniformity of crystallinity of a microcrystalline silicon film in a surface of a solar cell module is inhibited. A solar cell module is provided having an i-type layer of a microcrystalline silicon film as a photovoltaic layer in a photovoltaic unit (14), the i-type layer has a first region (30) and a second region (32) having a lower crystallization percentage than the first region (30) in the surface, and a tab electrode (22) to a terminal box (24) of the solar cell module (100) is formed overlapping the second region (32).Type: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Yuji Kitamura, Kazuya Murata, Hirotaka Katayama
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Patent number: 7882913Abstract: A cooling module capable of reducing vibration in a compartment attributable to the discharge pulsation of the compressor is disclosed. The cooling module comprises a radiator (1) mounted to a vehicle for cooling the cooling water by heat exchange between the cooling water and the air, and a condenser (2) for condensing the refrigerant by heat exchange between the refrigerant circulated in the refrigeration cycle and the air. The radiator (1) is fixed to the vehicle, and the condenser (2) is fixed to the radiator (1) through elastically deformable rubber bushings (3).Type: GrantFiled: April 20, 2007Date of Patent: February 8, 2011Assignee: Denso CorporationInventors: Akihiro Maeda, Toshinao Aoki, Kazuya Murata, Kenichi Maruyama
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Publication number: 20100326507Abstract: In a manufacturing method of a thin film solar cell in which a p-type layer, an i-type layer, and an n-type layer are layered, the i-type layer is an amorphous silicon layer, the n-type layer is a microcrystalline silicon layer, and in a process of forming the n-type layer, a doping concentration of an n-type dopant is increased as a distance from the i-type layer is increased.Type: ApplicationFiled: June 29, 2010Publication date: December 30, 2010Applicant: SANYO ELECTRIC CO., LTD.Inventors: Mitsuhiro Matsumoto, Kazuya Murata
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Publication number: 20100307574Abstract: A solar cell comprises a p-type layer (30), an i-type layer (32), and an n-type layer (34), and the p-type layer (30) comprises a high-absorption amorphous silicon carbide layer (30a), a silicon layer (30b) substantially not doped with a p-type dopant, and a buffer layer (30c) formed between the silicon layer (30b) and the i-type layer (32).Type: ApplicationFiled: June 4, 2010Publication date: December 9, 2010Applicant: SANYO ELECTRIC CO., LTD.Inventors: Mitsuhiro Matsumoto, Kazuya Murata
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Publication number: 20100191425Abstract: This invention is related to a mobile body (5) capable of improving the accuracy of collision judgment. The mobile body including a fuel cell system (1) has a first sensor (101) which detects a physical quantity concerning the moving state of the mobile body (5), a second sensor which detects a physical quantity concerning the operation state of the fuel cell system, and a judgment section which receives detection signals from the first and second sensors to judge the presence of the collision of the mobile body (5) based on the two detection signals. The judgment section can change a threshold value to be compared with the detected value of the first sensor in accordance with the detected value of the second sensor, to judge the presence of the collision of the mobile body. The first sensor can be constituted of an acceleration sensor, and the second sensor can be constituted of a gas pressure sensor or the like.Type: ApplicationFiled: July 10, 2008Publication date: July 29, 2010Inventors: Kazuya Murata, Tomoaki Nakashima
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Publication number: 20100110530Abstract: Particles for display media are constructed as spherical resin fine particles, in which functional groups indicating positively-charging properties are existent on their surfaces, which are obtained by polymerizing monomer by utilizing initiator having functional groups indicating positively-charging properties produced by reacting organic alkyl sulfonates and both terminal ends of azo initiator having cationic functional group including nitrogen-containing heterocycle or nitrogen-containing fatty series, or, are constructed as spherical resin fine particles, in which functional group indicating charging properties or ionic properties are existent on their surfaces, which are obtained by polymerizing monomer by utilizing initiator having functional groups indicating charging properties or ionic properties at its both terminal ends.Type: ApplicationFiled: February 8, 2008Publication date: May 6, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Masahiro Homma, Norihiko Kaga, Kazuya Murata
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Patent number: 7705823Abstract: Each embodiment relates to an image display device which comprises an image display panel, in which two or more groups of particles having different colors and different charge characteristics are sealed between two substrates, at least one of two substrates being transparent, and, in which the particles, to which an electrostatic field produced by a pair of electrodes provided on one or both substrates is applied, are made to fly and move so as to display an image.Type: GrantFiled: February 7, 2003Date of Patent: April 27, 2010Assignee: Bridgestone CorporationInventors: Norio Nihei, Hajime Kitano, Gaku Yakushiji, Kazuya Murata, Koji Takagi, Yoshitomo Masuda, Takahiro Kawagoe, Reiji Hattori
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Publication number: 20100045591Abstract: As the particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at least one of two substrates being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information such as an image, use is made of the polymer particles having a substantially spherical shape, which contain binder resin, charge control resin and coloring agent, wherein a blending amount of monomer with charged functional group is 0.3-50 mol % in a raw material monomer constituting the charge control resin. According to the invention, it is possible to obtain the particles for display media having a high heat resistance and an excellent charge amount necessary for maintaining a display quality.Type: ApplicationFiled: November 30, 2007Publication date: February 25, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Kazuya Murata, Genichi Ota
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Publication number: 20100014149Abstract: There are provided particles for display media capable of properly controlling change in an amount of charge by heating and an information display panel, by using the particles for display media capable of eliminating a display failure and reduction in contrast ratio.Type: ApplicationFiled: September 20, 2004Publication date: January 21, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Norihiko Kaga, Kazuya Murata, Gaku Yakushiji
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Patent number: 7646530Abstract: In particles for image displaying used in an image display device, in which one or more kind of particles are sealed between opposed substrates, at least one substrate being transparent, and, in which the particles are made to fly and move so as to display an image, each particle has a micro-irregularity at its surface. Moreover, in an image display device, in which one or more kind of particles are sealed between opposed substrates, at least one substrate being transparent, and, in which the particles, to which an electrostatic field produced by two kinds of electrodes having different potentials is applied, are made to fly and move so as to display an image, use is made of each particle having a micro-irregularity at its surface.Type: GrantFiled: April 17, 2003Date of Patent: January 12, 2010Assignee: Bridgestone CorporationInventors: Koji Takagi, Kazuya Murata, Norio Nihei, Gaku Yakushiji, Hajime Kitano, Yoshitomo Masuda, Takahiro Kawagoe
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Publication number: 20090290208Abstract: The present invention provides particles for display media constituting the display media used for an information display panel, in which the display media are sealed between two substrates, at least one of two substrates being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information, comprising: the particles having a substantially spherical shape, which are made by polymerizing raw materials including monomers, which include (acrylic or methacrylic) resin-hydrocarbon resin copolymer in the particles, in which a part of or all of the monomers are a multifunctional monomer having a plurality of polymerization reactive groups in one molecule, and which have minute irregularities on their surface evenly. By such a construction, the particles for display media can obtain irregularities firmly fixed on their surface. Poor display can be solved by using the same.Type: ApplicationFiled: December 14, 2005Publication date: November 26, 2009Applicant: BRIDGESTONE CORPORATIONInventors: Kazuya Murata, Takao Ohuchi, Hajime Kitano