Patents by Inventor Mitsugu Yamanaka

Mitsugu Yamanaka 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).

  • Patent number: 6896989
    Abstract: An SOFC is provided with an oxidizing electrode layer, a reducing electrode layer opposite to the oxidizing electrode layer, a solid electrolyte layer between the oxidizing electrode layer and the reducing electrode layer, and an alternating laminated structural section between the oxidizing electrode layer and the solid electrolyte layer or between the reducing electrode layer and the solid electrolyte layer. The alternating laminated structural section has a first thin film layer including a material of corresponding one of the electrode layers and a second thin film layer having a phase including the material of the corresponding one of the electrode layers and that of the solid electrolyte layer. The first thin film layer and the second thin film layer are alternately laminated.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: May 24, 2005
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Naoki Hara, Mitsugu Yamanaka, Fuminori Satou, Masaharu Hatano, Keiko Kushibiki, Tatsuhiro Fukuzawa, Itaru Shibata, Makoto Uchiyama
  • Patent number: 6893760
    Abstract: A single cell for a fuel cell in which an air electrode or a fuel electrode includes at least two layers. The air electrode includes an adhering cathode layer formed on one surface of the solid electrolyte layer and configured to show a function to allow the air electrode and the solid electrolyte layer to adhere electrically and mechanically to each other, and an electricity collecting cathode layer formed on the adhering cathode layer and configured to show an electricity collecting function of the air electrode. Alternatively, the fuel electrode includes an adhering anode layer formed on the other surface of the solid electrolyte layer and configured to show a function to allow the fuel electrode and the solid electrolyte layer to adhere electrically and mechanically to each other, and an electricity collecting anode layer formed on the adhering anode layer and configured to show an electricity collecting function.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: May 17, 2005
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Itaru Shibata, Tatsuo Sugiyama, Masaharu Hatano, Mitsugu Yamanaka, Makoto Uchiyama, Tatsuhiro Fukuzawa, Naoki Hara, Keiko Kushibiki, Fuminori Satou
  • Patent number: 6877787
    Abstract: A strength member, for vehicle use, extending in the vehicle width direction inside an instrument panel of a vehicle has a reinforcing bar in which a closed space is formed, and the reinforcing bar has a driver's seat side region, a central region and an assistant driver's seat side region, the reinforcing bar being composed of a metallic member arranged in the driver's seat side region and a resin member or a resin and metallic member arranged in the central region and the assistant driver's seat side region.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: April 12, 2005
    Assignee: Denso Corporation
    Inventors: Koichi Ito, Mikio Hirano, Masafumi Kawashima, Hironori Suzuki, Dai Matsui, Kazushi Shikata, Mitsugu Yamanaka
  • Publication number: 20050019320
    Abstract: The present invention provides a novel therapeutic agent for a lifestyle-related disease or a cibophobia, which is superior in controlling food intake, and a screening method therefor. Specifically, a therapeutic agent for cibophobia comprising, as an active ingredient, a substance that suppresses expression or function of GPRC5D, GPCR expressed in hypothalamus, a therapeutic agent for a lifestyle-related disease comprising, as an active ingredient, a substance that enhances expression or function of the receptor, a screening system consisting of a series of coexpression systems of GPRC5D and various G proteins, and a screening method for a substance having a therapeutic activity against cibophobia or a lifestyle-related disease, which includes use of the screening system, are provided.
    Type: Application
    Filed: December 27, 2002
    Publication date: January 27, 2005
    Inventors: Eiji Sugaru, Mitsugu Yamanaka, Junji Ichihara, Mutsuo Taiji
  • Publication number: 20040058228
    Abstract: A unit cell for a solid oxide fuel cell is provided with a substrate including a portion having a first porosity, a battery element formed on the substrate and having an electrode layer and an electrolyte layer, and a low porosity layer provided in at least one of the substrate and the battery element to have a second porosity lower than the first porosity. Sizes of a plurality of pores of the low porosity layer falls in a value equal to or less than 10 &mgr;m to laminate a part of the battery element on the low porosity layer.
    Type: Application
    Filed: August 19, 2003
    Publication date: March 25, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Itaru Shibata, Shigeo Ibuka, Mitsugu Yamanaka, Hiromi Sugimoto
  • Publication number: 20040038095
    Abstract: An electric power generating apparatus is provided with a fuel gas supply source supplying fuel gas, an air supply source supplying air, an external reformer having a reformer section supplied with the fuel gas, a fuel cell stack having an electric power generating cell section supplied with the fuel gas resulting by reforming in the reformer section, a heat exchanger section disposed to the external reformer to achieve heat exchange between the air and the reformer section to allow the air, passing through the heat exchanger section, to be supplied to the fuel cell stack to perform heat exchange between the air and the fuel cell stack, and an exhaust gas combusting section disposed to the fuel cell stack to permit unburned fuel gas, supplied from the electric power generating cell section, and the air to be mixed and combusted to achieve heat exchange with respect to the fuel cell stack.
    Type: Application
    Filed: August 11, 2003
    Publication date: February 26, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Keiko Kushibiki, Dong Song, Noboru Yamauchi, Mitsugu Yamanaka
  • Publication number: 20030193207
    Abstract: A strength member, for vehicle use, extending in the vehicle width direction inside an instrument panel of a vehicle has a reinforcing bar in which a closed space is formed, and the reinforcing bar has a driver's seat side region, a central region and an assistant driver's seat side region, the reinforcing bar being composed of a metallic member arranged in the driver's seat side region and a resin member or a resin and metallic member arranged in the central region and the assistant driver's seat side region.
    Type: Application
    Filed: April 7, 2003
    Publication date: October 16, 2003
    Inventors: Koichi Ito, Mikio Hirano, Masafumi Kawashima, Hironori Suzuki, Dai Matsui, Kazushi Shikata, Mitsugu Yamanaka
  • Publication number: 20030104268
    Abstract: A unit cell for a solid electrolyte type fuel cell is provided with a fuel electrode, an air electrode making a pair with the fuel electrode, a solid electrolyte interposed between the fuel electrode and the air electrode, a porous metallic base body disposed on at lease one of a surface of the fuel electrode on the far side from the solid electrolyte and a surface of the air electrode on the far side from the solid electrolyte such that the fuel electrode, the electrolyte, and a plurality of concave portions formed in the porous metallic base body so as to extend, in a laminating direction in which the fuel electrode, the electrolyte, the air electrode and the porous metallic base body are laminated, from a surface of the porous metallic base body.
    Type: Application
    Filed: November 25, 2002
    Publication date: June 5, 2003
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Itaru Shibata, Masaharu Hatano, Tatsuhiro Fukuzawa, Naoki Hara, Dong Song, Yoshiko Hishitani, Fuminori Satou, Keiko Kushibiki, Makoto Uchiyama, Mitsugu Yamanaka
  • Publication number: 20030082423
    Abstract: A fuel cell of the present invention includes a fuel cell stack (1) for being formed by stacking a plurality of cell plates (2) having a flat shape, the cell plates (2) being configured by arranging a plurality of cells, the cell having an electrolyte layer (2a), a fuel electrode layer (2b) and an air electrode layer (2c). A combustion heater plate (3) includes a porous combustion plate (3a) and a gas non-pass layer (3b) covering a surface of the porous combustion plate (3a). The combustion heater plate (3) is disposed between the cell plates (2).
    Type: Application
    Filed: October 22, 2002
    Publication date: May 1, 2003
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Keiko Kushibiki, Masaharu Hatano, Itaru Shibata, Tatsuhiro Fukuzawa, Naoki Hara, Dong Song, Yoshiko Hishitani, Fuminori Satou, Makoto Uchiyama, Mitsugu Yamanaka
  • Publication number: 20030077504
    Abstract: This unit cell for a fuel cell is formed by laminating a fuel electrode (3), a solid electrolyte (2) and an air electrode (1) on a porous base material (4). The porous base material (4) has a plurality of fine pores (5) through which fuel gas can flow and has a reforming catalysis. The unit cells for the fuel cell are coupled and integrated two-dimensionally to make a stack for the fuel cell, and thus a solid oxide fuel cell having this stack as a power generating element is formed.
    Type: Application
    Filed: October 21, 2002
    Publication date: April 24, 2003
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Naoki Hara, Keiko Kushibiki, Makoto Uchiyama, Mitsugu Yamanaka, Fuminori Satou, Dong Song, Yoshiko Hishitani, Tatsuhiro Fukuzawa, Masaharu Hatano, Itaru Shibata
  • Publication number: 20030044667
    Abstract: An SOFC is provided with an oxidizing electrode layer, a reducing electrode layer opposite to the oxidizing electrode layer, a solid electrolyte layer between the oxidizing electrode layer and the reducing electrode layer, and an alternating laminated structural section between the oxidizing electrode layer and the solid electrolyte layer or between the reducing electrode layer and the solid electrolyte layer. The alternating laminated structural section has a first thin film layer including a material of corresponding one of the electrode layers and a second thin film layer having a phase including the material of the corresponding one of the electrode layers and that of the solid electrolyte layer. The fist thin film layer and the second thin film layer are alternately laminated. The second thin film layer may have a coefficient of thermal expansion with a value between that of thermal expansion of the corresponding one of the electrode layers or a value equivalent to that of the solid electrolyte layer.
    Type: Application
    Filed: August 14, 2002
    Publication date: March 6, 2003
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Naoki Hara, Mitsugu Yamanaka, Fuminori Satou, Masaharu Hatano, Keiko Kushibiki, Tatsuhiro Fukuzawa, Itaru Shibata, Makoto Uchiyama
  • Publication number: 20030036512
    Abstract: Leptin resistance ameliorating agents comprising as the active ingredient a neurotrophic factor such as BDNF or a trk receptor ligand, namely, agents for ameliorating, treating or preventing hypertension, sterility, obesity, glucose metabolic disorders, ischemic diseases, growth hormone secretion insufficiency, growth hormone hyposecretion, immune function disorder, etc. caused by leptin resistance.
    Type: Application
    Filed: September 6, 2002
    Publication date: February 20, 2003
    Inventors: Tsutomu Nakagawa, Mitsugu Yamanaka, Mutsuo Taiji
  • Publication number: 20030031910
    Abstract: A cell plate structure for a solid oxide electrolyte type fuel cell is provided with a lower electrode layer, an upper electrode layer provided in opposition to the lower electrode layer, a solid electrolyte layer provided between the lower electrode layer and the upper electrode layer, and an area provided in at least one of the lower electrode layer and the upper electrode layer. The area has a portion which is formed by removing a substance, contained in the at least one of the lower electrode layer and the upper electrode layer during formation thereof, after the at least one of the lower electrode layer and the upper electrode layer has been formed. Such a fuel cell plate structure can be applied to a solid electrolyte fuel cell representatively by being disposed between a pair of separators that have gas flow passages supplying the lower electrode layer and the upper electrode layer with gasses, respectively.
    Type: Application
    Filed: August 12, 2002
    Publication date: February 13, 2003
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Fuminori Satou, Mitsugu Yamanaka, Makoto Uchiyama, Masaharu Hatano, Keiko Kushibiki, Naoki Hara, Tatsuhiro Fukuzawa, Itaru Shibata
  • Publication number: 20030012995
    Abstract: A solid oxide fuel cell stack in which first and second cell plates are alternately stacked. The first cell plates comprises a substrate having a plurality of opening portions, a groove which extends through the plurality of opening portions formed on a lower surface of the substrate, a solid electrolyte layer which covers the opening portion formed on an upper surface of the substrate, a fuel electrode layer which covers the opening portions formed on the solid electrolyte layer, and an air electrode layer formed on the lower surface of the substrate so as to extend along the opening portions and the groove. The second cell plates has a structure in which the air electrode layer is replaced with the fuel electrode layer in the first cell plate. In this fuel cell stack, the air electrode layer of the first cell plate faces the air electrode layer of the second cell plate, and the fuel electrode layer of the first cell plate faces the fuel electrode layer of the second cell plate.
    Type: Application
    Filed: July 25, 2002
    Publication date: January 16, 2003
    Inventors: Naoki Hara, Keiko Kushibiki, Fuminori Sato, Mitsugu Yamanaka, Makoto Uchiyama, Masaharu Hatano
  • Publication number: 20030012994
    Abstract: A single cell for a solid oxide fuel cell, in which a solid electrolyte layer is sandwiched by an upper electrode layer and a lower electrode layer. This single cell includes a substrate having openings and an insulating and stress absorbing layer stacked on an upper surface of this substrate. The solid electrolyte layer is formed on an upper surface of the insulating and stress absorbing layer so as to cover the openings, the upper electrode layer is stacked on an upper surface of the solid electrolyte layer, and the lower electrode layer is coated on a lower surface of the solid electrolyte layer via the openings from a lower surface of the substrate. A cell plate, in which these single cells are disposed two-dimensionally on a common substrate. Furthermore, a solid oxide fuel cell, in which these cell plates and plate-shaped separators including gas passages on both surfaces thereof are alternately stacked.
    Type: Application
    Filed: July 16, 2002
    Publication date: January 16, 2003
    Inventors: Keiko Kushibiki, Fuminori Sato, Naoki Hara, Mitsugu Yamanaka, Masaharu Hatano, Makoto Uchiyama, Itaru Shibata, Tatsuhiro Fukuzawa
  • Publication number: 20020177025
    Abstract: A cell plate structure for a fuel cell is provided with a porous substrate, a lower electrode layer formed on the porous substrate, an upper electrode layer opposed to the lower electrode layer, a solid electrolyte layer having a layer element placed between the lower electrode layer and the upper electrode layer and composed of a plurality of divided electrolyte regions, a gas impermeable layer correspondingly covering an area where the solid electrolyte layer is absent on the porous substrate or on the lower electrode layer. The gas impermeable layer separates gas passing inside the porous substrate and gas passing outside the porous substrate. Such a cell plate structure is suited for use in a solid electrolyte type fuel cell.
    Type: Application
    Filed: May 21, 2002
    Publication date: November 28, 2002
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Keiko Kushibiki, Fuminori Satou, Mitsugu Yamanaka, Masaharu Hatano, Naoki Hara, Tatsuhiro Fukuzawa, Itaru Shibata, Makoto Uchiyama
  • Publication number: 20020177026
    Abstract: A solid electrolyte fuel cell plate structure includes a cell element layer composed of a solid electrolyte, an air electrode layer and a fuel electrode layer, a porous base body supporting the cell element layer, and a gas-impermeable member having electric conductivity. The cell element layer is arranged such that the solid electrolyte layer is sandwiched between the air electrode layer and the fuel electrode layer, with the air electrode layer or the fuel electrode layer being joined to the porous base body. The gas-impermeable member is associated with the solid electrolyte layer to allow gas internally passing through the porous base body to be separated from gas flowing outside the porous base body. Such a cell plate structure can be employed in a solid electrolyte fuel cell stack, which in turn can be employed in a solid electrolyte fuel cell electric power generation unit.
    Type: Application
    Filed: April 3, 2002
    Publication date: November 28, 2002
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Masaharu Hatano, Mitsugu Yamanaka, Fuminori Satou, Itaru Shibata, Keiko Kushibiki, Naoki Hara, Tatsuhiro Fukuzawa, Makoto Uchiyama
  • Publication number: 20020164523
    Abstract: A unit cell for a solid electrolyte fuel cell and a method of manufacturing the same are disclosed as including an air electrode, a fuel electrode, a solid electrolyte sandwiched between the air electrode and the fuel electrode, and a porous metallic base body joined to at lease one of the air electrode and the fuel electrode. The porous metallic base body serves to pass oxidizing gas to be supplied to the air electrode and fuel gas to be supplied to the fuel electrode while allowing a cell power output to be collected from a reacting area provided by a sandwiched body composed of the air electrode, the fuel electrode and the solid electrolyte. In the manufacturing method, a first layer serving as one of an air electrode and a fuel electrode is formed on a first porous metallic base body and a second layer composed of a solid electrolyte is formed on the first layer.
    Type: Application
    Filed: April 24, 2002
    Publication date: November 7, 2002
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Itaru Shibata, Keiko Kushibiki, Fuminori Satou, Mitsugu Yamanaka, Makoto Uchiyama, Masaharu Hatano
  • Publication number: 20020098404
    Abstract: A single cell for a fuel cell in which an air electrode or a fuel electrode includes at least two layers. The air electrode includes an adhering cathode layer formed on one surface of the solid electrolyte layer and configured to show a function to allow the air electrode and the solid electrolyte layer to adhere electrically and mechanically to each other, and an electricity collecting cathode layer formed on the adhering cathode layer and configured to show an electricity collecting function of the air electrode. Alternatively, the fuel electrode includes an adhering anode layer formed on the other surface of the solid electrolyte layer and configured to show a function to allow the air electrode and the solid electrolyte layer to adhere electrically and mechanically to each other, and an electricity collecting anode layer formed on the adhering anode layer and configured to show an electricity collecting function.
    Type: Application
    Filed: January 17, 2002
    Publication date: July 25, 2002
    Inventors: Itaru Shibata, Tatsuo Sugiyama, Masaharu Hatano, Mitsugu Yamanaka, Makoto Uchiyama, Tatsuhiro Fukuzawa, Naoki Hara, Keiko Kushibiki, Fuminori Satou
  • Patent number: 5449660
    Abstract: A method of producing a compound oxide of elements including at least one of thallium, bismuth, lead, antimony, yttrium, each of rare earth elements, each of transition metal elements, each of alkali metal elements and each of alkaline earth metal elements. The method is comprised of the steps of (i) reacting at least one of carbonate, basic carbonate, hydroxide and co-precipitates of each of the above-mentioned elements with an amount of citric acid that is less than the weight equivalent of citric acid needed to form a completely citrated compound, and (ii) calcining the partly citrated compound. The co-precipitate can be one of a carbonate, a basic carbonate and a hydroxide of each of the above-mentioned elements.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: September 12, 1995
    Assignees: Nissan Motor Co., Ltd., Seimi Chemical Company, Limited
    Inventors: Fumio Munakata, Mitsugu Yamanaka, Susumu Hiyama