Patents by Inventor Hiroshi Kurokawa
Hiroshi Kurokawa 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: 8501354Abstract: Using a non-aqueous electrolyte secondary battery containing lithium iron phosphate as a positive electrode active material and graphite as a negative electrode active material, a low-cost, high energy density battery is provided that exhibits good performance at high rate current and good cycle performance even at high temperature. The non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode current collector and a positive electrode active material-containing layer formed on a surface of the positive electrode current collector, the positive electrode active material-containing layer containing a conductive agent and a positive electrode active material including lithium iron phosphate, a negative electrode containing a carbon material, and a non-aqueous electrolyte. The non-aqueous electrolyte contains vinylene carbonate.Type: GrantFiled: February 6, 2007Date of Patent: August 6, 2013Assignee: SANYO Electric Co., Ltd.Inventors: Kazunori Donoue, Denis Yau Wai Yu, Takao Inoue, Masahisa Fujimoto, Hiroshi Kurokawa
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Publication number: 20130045503Abstract: A clearing reagent according to this invention for making a biological material transparent is a solution containing, as an active component, at least one compound selected from the group consisting of urea and urea derivatives, in order to provide a novel clearing reagent for making a biological material transparent.Type: ApplicationFiled: March 11, 2011Publication date: February 21, 2013Applicant: RIKENInventors: Atsushi Miyawaki, Hiroshi Hama, Hiroshi Kurokawa, Hiroyuki Kawano, Asako Sakaue
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HEMODIALYSIS APPARATUS, METHOD OF OPERATING HEMODIALYSIS APPARATUS, AND WATER CONTENT REMOVAL SYSTEM
Publication number: 20120199533Abstract: A hemodialysis apparatus includes a dialyzer, a quantitative vessel including a displaceable partition wall which partitions the inside of the quantitative vessel into a first chamber and a second chamber, a storage vessel which stores a dialysate, a dialysate exchange circuit which supplies the dialysate to the first chamber, and discharges a waste dialysate in the second chamber to the outside by the consequent displacement of the partition wall to the second chamber side, a dialysate supply circuit which supplies the dialysate in the first chamber to the dialyzer, and discharges the waste dialysate from the dialyzer to the second chamber by the displacement of the partition wall to the first chamber side, and a dialysate storage circuit which supplies the dialysate in the first chamber to the storage vessel by the displacement of the partition wall to the first chamber side.Type: ApplicationFiled: October 22, 2010Publication date: August 9, 2012Applicant: ASAHI KASEI MEDICAL CO., LTD.Inventors: Tomoyuki Wada, Koji Shimoide, Hiroshi Kurokawa, Shingo Takesawa, Koichi Nakano -
Patent number: 8190717Abstract: For use in a system where a plurality of servers are connected to an external disk device, a method is provided for a server to boot an operating system from the external disk device. The method includes the steps of searching for the port of a network switch to which the server is connected; establishing a network to which only the server and a management server belong; sending a server information acquisition program from the management server to the server via a network boot operation; acquiring, by the server information acquisition program, unique information owned by the storage interface of the server for transfer to the management server; and setting, by the management server, a disk within the external disk device accessible from the server based on the unique information.Type: GrantFiled: January 29, 2009Date of Patent: May 29, 2012Assignee: Hitachi, Ltd.Inventors: Yoshifumi Takamoto, Hiroshi Kurokawa, Keisuke Hatasaki
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Publication number: 20120084014Abstract: A modeling device is disclosed that easily projects characteristic information obtained from an object onto a differently-shaped object, even if the object, from which the characteristic information is obtained, has a complex shape. A modeling device in one embodiment of the present invention includes a virtually electrifying section to calculate an electric potential at a spot in a heart at the time when a predetermined voltage is applied to the heart, and a projecting section to project a fiber orientation onto a heart model created on the basis of shape information that is input to the input section. The projecting section specifies a spot to be a target of projection on the basis of the electric potential obtained by the virtually electrifying section. Use of the electric potential in specifying the spot makes it possible to easily project the fiber orientation onto any heart having complex and various shapes.Type: ApplicationFiled: December 8, 2011Publication date: April 5, 2012Inventors: Toshiaki Hisada, Hiroshi Kurokawa, Nobuhiko Oshida, Masafumi Yamamoto, Takumi Washio, Jun-ichi Okada, Hiroshi Watanabe, Seiryo Sugiura
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Patent number: 8095321Abstract: A modeling device is disclosed that easily projects characteristic information obtained from an object onto a differently-shaped object, even if the object, from which the characteristic information is obtained, has a complex shape. A modeling device in one embodiment of the present invention includes a virtually electrifying section to calculate an electric potential at a spot in a heart at the time when a predetermined voltage is applied to the heart, and a projecting section to project a fiber orientation onto a heart model created on the basis of shape information that is input to the input section. The projecting section specifies a spot to be a target of projection on the basis of the electric potential obtained by the virtually electrifying section. Use of the electric potential in specifying the spot makes it possible to easily project the fiber orientation onto any heart having complex and various shapes.Type: GrantFiled: January 25, 2006Date of Patent: January 10, 2012Assignee: Japan Science and Technology AgencyInventors: Toshiaki Hisada, Hiroshi Kurokawa, Nobuhiko Oshida, Masafumi Yamamoto, Takumi Washio, Jun-ichi Okada, Hiroshi Watanabe, Seiryo Sugiura
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Patent number: 8035115Abstract: A semiconductor apparatus includes a substrate; and a plurality of semiconductor thin films formed on said substrate, each of said semiconductor thin films having a pn-junction, and electrodes of p-type and n-type for injecting carriers to the pn-junction, wherein said semiconductor thin films are formed so that all or a part of said pn-junctions are connected serially. As different from a semiconductor thin film constituted of a single pn-junction, the light emission with the invented semiconductor apparatus is the summation of the light emission intensities of the entire pn-junctions, so that the light emitting intensity can be increased largely.Type: GrantFiled: May 11, 2006Date of Patent: October 11, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Takahito Suzuki, Hiroshi Kurokawa, Taishi Kaneto
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Patent number: 7939943Abstract: A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, which is an antioxidant film for preventing oxidation of the Ta film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film as an antioxidant film is formed on the entire upper surface of the Ta film which forms the p electrode, to prevent oxidation of the Ta film. This inhibits the resistance between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the low-resistance p electrode.Type: GrantFiled: November 11, 2008Date of Patent: May 10, 2011Assignee: Mitsubishi Electric CorporationInventors: Katsuomi Shiozawa, Kyozo Kanamoto, Toshiyuki Oishi, Hiroshi Kurokawa, Kenichi Ohtsuka, Yoichiro Tarui, Yasunori Tokuda
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Publication number: 20110044069Abstract: An objective is to provide a light source device having a light emission source such as a semiconductor laser (LD), an LED and a lamp, and an optical part such as a lens and a fiber for transmitting, transferring and light-focusing, in which, by controlling the amount of sulfate ions inside the device at a low level, adhesion of ammonium sulfate to the optical part can be prevented. The light source device includes a light source for emitting light, an optical part for processing light emitted from the light source, and a housing in which the optical part is housed, or to which the optical part is mounted, and the housing is formed by machining material that includes no sulfur component, and the material is exposed on the surface thereof.Type: ApplicationFiled: August 17, 2010Publication date: February 24, 2011Inventors: Yukio SATO, Mitoru Yabe, Toru Yoshihara, Yasuyuki Nakagawa, Hiroshi Kurokawa
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Patent number: 7892697Abstract: A fuel cell system includes a fuel cell provided with an anode and a cathode, a first container for storing a liquid fuel to be supplied to the anode, a second container provided in the first container to contain liquid and gas, a joint which is provided in the first container and discharges the liquid fuel outside the first container, an outlet pipe connecting the joint to the second container, and a remaining indicator window provided to make the interior of the outlet pipe is viewable. Further, an alert color is applied to an area that becomes viewable when the gas is flowing through the outlet pipe, the color being applied on the area opposite to the remaining indicator window across the outlet pipe.Type: GrantFiled: April 7, 2006Date of Patent: February 22, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Goro Fujita, Hiroshi Kurokawa, Takashi Yasuo
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Semiconductor light emitting device with stress absorber, LED printhead, and image forming apparatus
Patent number: 7893455Abstract: An inclined surface having an inclination angle ? is formed in an edge portion which forms an opening portion of an inter-layer insulating film, thereby reducing a stress by the inclined surface.Type: GrantFiled: April 23, 2007Date of Patent: February 22, 2011Assignee: Oki Data CorporationInventors: Mitsuhiko Ogihara, Hiroyuki Fujiwara, Masataka Muto, Tomoki Igari, Hiroshi Kurokawa -
Patent number: 7794881Abstract: An electrode for a lithium battery having a thin film composed of active material capable of lithium storage and release, e.g., a microcrystalline or amorphous silicon thin film, provided on a current collector, the electrode being characterized in that a constituent of the current collector is diffused into the thin film.Type: GrantFiled: October 20, 2000Date of Patent: September 14, 2010Assignee: Sanyo Electric Co., Ltd.Inventors: Masahisa Fujimoto, Shin Fujitani, Masaki Shima, Hiromasa Yagi, Hisaki Tarui, Hiroshi Kurokawa, Shigeki Matsuta, Yoichi Domoto, Yoshio Kato, Hiroshi Nakajima, Hiroaki Ikeda, Kenji Asaoka, Ryuji Ohshita
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Patent number: 7795738Abstract: A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film is formed on the entire upper surface of the Ta film which forms part of the p electrode, and serves as an antioxidant film that prevents oxidation of the Ta film. Preventing oxidation of the Ta film, the second Pd film can reduce the resistance that may exist between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the p electrode with low resistance.Type: GrantFiled: December 4, 2008Date of Patent: September 14, 2010Assignee: Mitsubishi Electric CorporationInventors: Katsuomi Shiozawa, Kyozo Kanamoto, Hiroshi Kurokawa, Yasunori Tokuda, Kyosuke Kuramoto, Hitoshi Sakuma
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Publication number: 20100108875Abstract: A sample preparation for analyzing a minute quantity of a content included in a material is performed by short-time extraction treatment without long-time extraction treatment, and the minute quantity of the content in the material is rapidly analyzed. The method of analyzing a minute quantity of a content includes mounting on a sample table a sample piece of a material to be analyzed; dropping onto the sample table the solvent for extracting the content from the sample piece, and injecting the solvent into a gap between the sample table and the sample piece; maintaining at room temperature the solvent injected into the gap between the sample table and the sample piece, and, with the solvent maintained in the gap between the sample table and the sample piece, extracting the content from the sample piece; and analyzing the content extracted from the sample piece.Type: ApplicationFiled: October 14, 2004Publication date: May 6, 2010Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Jiro Naka, Hiroshi Kurokawa, Junji Kobayashi, Satoru Toyama, Noriko Hirano, Eiji Hara
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Patent number: 7615347Abstract: A method for trapping nucleic acids on a surface of a solid phase substrate, which comprises the step of contacting a sample containing nucleic acids and having a pH of 12 or higher with the surface of the solid phase substrate on which divalent metal ions are immobilized, and a method for trapping nucleic acids on a surface of a solid phase substrate, which comprises the step of contacting a sample containing nucleic acids and a magnesium compound, of which pH is adjusted to be 12 or higher, with the surface of the solid phase substrate.Type: GrantFiled: August 18, 2005Date of Patent: November 10, 2009Assignee: Asahi Kasei Kabushiki KaishaInventors: Tadashi Fukasawa, Hiroshi Kurokawa
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Publication number: 20090146308Abstract: A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film is formed on the entire upper surface of the Ta film which forms part of the p electrode, and serves as an antioxidant film that prevents oxidation of the Ta film. Preventing oxidation of the Ta film, the second Pd film can reduce the resistance that may exist between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the p electrode with low resistance.Type: ApplicationFiled: December 4, 2008Publication date: June 11, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Katsuomi Shiozawa, Kyozo Kanamoto, Hiroshi Kurokawa, Yasunori Tokuda, Kyosuke Kuramoto, Hitoshi Sakuma
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Publication number: 20090140389Abstract: A nitride semiconductor device with a p electrode having no resistance between itself and other electrodes, and a method of manufacturing the same are provided. A p electrode is formed of a first Pd film, a Ta film, and a second Pd film, which is an antioxidant film for preventing oxidation of the Ta film, and on a p-type contact layer of a nitride semiconductor. On the second Pd film, a pad electrode is formed. The second Pd film as an antioxidant film is formed on the entire upper surface of the Ta film which forms the p electrode, to prevent oxidation of the Ta film. This inhibits the resistance between the p electrode and the pad electrode, thereby preventing a failure in contact between the p electrode and the pad electrode and providing the low-resistance p electrode.Type: ApplicationFiled: November 11, 2008Publication date: June 4, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Katsuomi Shiozawa, Kyozo Kanamoto, Toshiyuki Oishi, Hiroshi Kurokawa, Kenichi Ohtsuka, Yoichiro Tarui, Yasunori Tokuda
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Publication number: 20090138580Abstract: For use in a system where a plurality of servers are connected to an external disk device, a method is provided for a server to boot an operating system from the external disk device. The method includes the steps of searching for the port of a network switch to which the server is connected; establishing a network to which only the server and a management server belong; sending a server information acquisition program from the management server to the server via a network boot operation; acquiring, by the server information acquisition program, unique information owned by the storage interface of the server for transfer to the management server; and setting, by the management server, a disk within the external disk device accessible from the server based on the unique information.Type: ApplicationFiled: January 29, 2009Publication date: May 28, 2009Inventors: Yoshifumi Takamoto, Hiroshi Kurokawa, Keisuke Hatasaki
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Publication number: 20090127661Abstract: Semiconductor devices, in particular nitride semiconductor devices for use in the manufacture of laser diodes, prevent peeling-off of the electrode, and at the same time reduces the complexity of processes and a reduction in yield. A nitride semiconductor device according to the invention includes a P-type nitride semiconductor layer with a ridge on its surface, an SiO2 film covering at least the side face of the ridge, an adherence layer formed on a surface of the SiO2 film and composed mainly of silicon, and a P-type electrode formed on the upper surface of the ridge and on a surface of the adherence layer.Type: ApplicationFiled: November 17, 2008Publication date: May 21, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Katsuomi Shiozawa, Kyozo Kanamoto, Toshiyuki Oishi, Hiroshi Kurokawa, Kazushige Kawasaki, Shinji Abe, Hitoshi Sakuma
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Patent number: 7535194Abstract: A fuel cell system of the present invention includes a fuel cell stack, a fuel feeder that provides the fuel cell stack with fuel, a fuel cell DC/DC converter that converts the output voltage of the fuel cell stack to a predetermined voltage and then outputs it, a rechargeable battery that is an electric storage device, and a rechargeable battery DC/DC converter that converts the output voltage of the rechargeable battery to a predetermined voltage and then outputs it. The setting of a voltage at a node at which an output end of the fuel cell DC/DC converter and an output end of the rechargeable battery DC/DC converter are connected together is changeable, and the rechargeable battery is detachable. As a result, the fuel cell system of the present invention has high versatility.Type: GrantFiled: March 30, 2006Date of Patent: May 19, 2009Assignee: Sanyo Electronic Co., Ltd.Inventors: Masaaki Konoto, Kazuhiro Seo, Hiroshi Kurokawa, Masahiro Makino