Patents by Inventor Hisao Takeuchi

Hisao Takeuchi 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: 10734665
    Abstract: A method for producing a cell structure includes: a step of firing a laminated body of a layer containing an anode material and a layer containing a solid electrolyte material, to obtain a joined body of an anode and a solid electrolyte layer; a step of laminating a layer containing a cathode material on a surface of the solid electrolyte layer, and firing the obtained laminated body to obtain a cathode. The anode material contains a metal oxide Ma1 and a nickel compound. The metal oxide Ma1 is a metal oxide having a perovskite structure represented by A1x1B11-y1M1y1O3-? (wherein: A1 is at least one of Ba, Ca, and Sr; B1 is at least one of Ce and Zr; M1 is at least one of Y, Yb, Er, Ho, Tm, Gd, In, and Sc; 0.85?x1?0.99; 0<y1?0.5; and ? is an oxygen deficiency amount).
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: August 4, 2020
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Takahiro Higashino, Kazunari Miyamoto, Yohei Noda, Chihiro Hiraiwa, Naho Mizuhara, Hiromasa Tawarayama, Hisao Takeuchi, Masatoshi Majima, Tetsuya Uda, Donglin Han
  • Patent number: 10424801
    Abstract: A cell structure includes a cathode, an anode, and a protonically conductive solid electrolyte layer between the cathode and the anode. The solid electrolyte layer contains a compound having a perovskite structure and containing zirconium, cerium, and a rare-earth element other than cerium. If the solid electrolyte layer has a thickness of T, the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the cathode, ZrC/CeC, and the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the anode, ZrA/CeA, satisfy ZrC/CeC>ZrA/CeA, and ZrC/CeC>1.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: September 24, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro Higashino, Yohei Noda, Chihiro Hiraiwa, Naho Mizuhara, Hiromasa Tawarayama, Hisao Takeuchi, Masatoshi Majima
  • Publication number: 20190006692
    Abstract: A method for producing a cell structure includes: a step of firing a laminated body of a layer containing an anode material and a layer containing a solid electrolyte material, to obtain a joined body of an anode and a solid electrolyte layer; a step of laminating a layer containing a cathode material on a surface of the solid electrolyte layer, and firing the obtained laminated body to obtain a cathode. The anode material contains a metal oxide Ma1 and a nickel compound. The metal oxide Ma1 is a metal oxide having a perovskite structure represented by A1x1B11-y1M1y1O3-? (wherein: A1 is at least one of Ba, Ca, and Sr; B1 is at least one of Ce and Zr; M1 is at least one of Y, Yb, Er, Ho, Tm, Gd, In, and Sc; 0.85?x1?0.99; 0<y1?0.5; and ? is an oxygen deficiency amount).
    Type: Application
    Filed: August 5, 2016
    Publication date: January 3, 2019
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Takahiro HIGASHINO, Kazunari MIYAMOTO, Yohei NODA, Chihiro HIRAIWA, Naho MIZUHARA, Hiromasa TAWARAYAMA, Hisao TAKEUCHI, Masatoshi MAJIMA, Tetsuya UDA, Donglin HAN
  • Publication number: 20180375114
    Abstract: A proton conductor contains a metal oxide having a perovskite structure and represented by AaBbMcO3-? (wherein: A is at least one of Ba, Ca, and Sr; B is at least one of Ce and Zr; M is at least one of Y, Yb, Er, Ho, Tm, Gd, and Sc; 0.85?a?1; 0.5?b<1; c=1-b; and ? is an oxygen deficiency amount), and a standard deviation in a triangular diagram representing an atomic composition ratio of the A, the B, and the M is not greater than 0.04.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 27, 2018
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., KYOTO UNIVERSITY
    Inventors: Takahiro HIGASHINO, Yohei NODA, Kazunari MIYAMOTO, Chihiro HIRAIWA, Naho MIZUHARA, Hiromasa TAWARAYAMA, Hisao TAKEUCHI, Masatoshi MAJIMA, Tetsuya UDA, Donglin HAN, Takayuki ONISHI, Yuki OTANI
  • Publication number: 20180205105
    Abstract: An electrolyte layer-anode composite member for a fuel cell includes a solid electrolyte layer containing an ionically conductive metal oxide M1, a first anode layer containing an ionically conductive metal oxide M2 and nickel oxide, and a second anode layer interposed between the solid electrolyte layer and the first anode layer and containing an ionically conductive metal oxide M3 and nickel oxide. A volume content Cn1 of the nickel oxide in the first anode layer and a volume content Cn2 of the nickel oxide in the second anode layer satisfy the relation Cn1<Cn2.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 19, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hisao TAKEUCHI, Takashi MATSUURA, Naho MIZUHARA, Chihiro HIRAIWA, Tomoyuki AWAZU, Masatoshi MAJIMA
  • Publication number: 20180037508
    Abstract: A solid electrolyte layer contains a proton conductor having a perovskite structure, the proton conductor being represented by formula (1): BaxZryCezM1?(y+z)O3?? (where element M is at least one selected from the group consisting of Y, Yb, Er, Ho, Tm, Gd, and Sc, 0.85?x<0.98, 0.70?y+z<1.00, a ratio of y/z is 0.5/0.5 to 1/0, and ? is an oxygen vacancy concentration).
    Type: Application
    Filed: August 25, 2015
    Publication date: February 8, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro HIGASHINO, Yohei NODA, Chihiro HIRAIWA, Naho MIZUHARA, Hiromasa TAWARAYAMA, Hisao TAKEUCHI, Masatoshi MAJIMA
  • Publication number: 20170317371
    Abstract: A cell structure includes a cathode, an anode, and a protonically conductive solid electrolyte layer between the cathode and the anode. The solid electrolyte layer contains a compound having a perovskite structure and containing zirconium, cerium, and a rare-earth element other than cerium. If the solid electrolyte layer has a thickness of T, the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the cathode, ZrC/CeC, and the elemental ratio of zirconium to cerium at a position 0.25 T from a surface of the solid electrolyte layer opposite the anode, ZrA/CeA, satisfy ZrC/CeC>ZrA/CeA, and ZrC/CeC>1.
    Type: Application
    Filed: October 20, 2015
    Publication date: November 2, 2017
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro HIGASHINO, Yohei NODA, Chihiro HIRAIWA, Naho MIZUHARA, Hiromasa TAWARAYAMA, Hisao TAKEUCHI, Masatoshi MAJIMA
  • Publication number: 20160156058
    Abstract: There is provided a composite material for a fuel cell, in which in the case where an electrolyte-anode laminate is co-fired, the composite material is capable of inhibiting a decrease in the ion conduction performance of a solid electrolyte layer to enhance the power generation performance of the fuel cell. A composite material 1 for a fuel cell includes a solid electrolyte layer 3 and an anode layer 2 stacked on the solid electrolyte layer, in which the solid electrolyte layer is composed of an ionic conductor in which the A-site of a perovskite structure is occupied by at least one of barium (Ba) and strontium (Sr) and tetravalent cations in the B-sites are partially replaced with a trivalent rare-earth element, the anode layer contains an electrolyte component having the same composition as the solid electrolyte layer, a nickel (Ni) catalyst, and an additive containing a rare-earth element, the additive being located at least at an interfacial portion with the solid electrolyte layer.
    Type: Application
    Filed: July 9, 2014
    Publication date: June 2, 2016
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Hisao TAKEUCHI, Takashi MATSUURA, Chihiro HIRAIWA, Naho MIZUHARA, Takahiro HIGASHINO, Masatoshi MAJIMA
  • Patent number: 9297800
    Abstract: A biomaterial structure containing a larger amount of biomaterial than the conventional art with maintaining the reactivity of the biomaterial is provided by linking particulate lumps in which the biomaterial is bound with a compound capable of binding to the biomaterial, wherein the particle diameter of the particulate lumps is 10 ?m or smaller.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 29, 2016
    Assignees: Mitsubishi Chemical Corporation, LSI Medience Corporation
    Inventors: Tatsushi Isojima, Hiroyuki Tanaka, Toshifumi Shiroya, Hisao Takeuchi, Minako Hanasaki, Yasuo Ifuku
  • Publication number: 20140127114
    Abstract: A porous silica having a low refractive index and being stable when exposed to water, and which is configured to have a refractive index of 1.3 or lower and to have a difference of the refractive index at a wavelength 550 nm between before the immersion into water and after the immersion into water for 24 hours of 0.15 or lower.
    Type: Application
    Filed: January 10, 2014
    Publication date: May 8, 2014
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Katsuya FUNAYAMA, Junichi Ooizumi, Tomoko Yamakawa, Hisao Takeuchi
  • Patent number: 8293011
    Abstract: A method for growing a Group III nitride semiconductor crystal is provided with the following steps: First, a chamber including a heat-shielding portion for shielding heat radiation from a material 13 therein is prepared. Then, material 13 is arranged on one side of heat-shielding portion in chamber. Then, by heating material to be sublimated, a material gas is deposited on the other side of heat-shielding portion in chamber so that a Group III nitride semiconductor crystal is grown.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: October 23, 2012
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Michimasa Miyanaga, Naho Mizuhara, Keisuke Tanizaki, Issei Satoh, Hisao Takeuchi, Hideaki Nakahata
  • Patent number: 8277640
    Abstract: The present invention relates to a process for thermal cracking of heavy petroleum oil, in which when a thermal cracking facility having a cracking furnace, two or more of trains each comprising two reaction vessels and one distillation tower is operated, each train is operated by repeating a cycle comprising drawing the heavy petroleum oil from the cracking furnace, feeding the drawn heavy petroleum oil into the first reaction vessel and then feeding the drawn heavy petroleum oil into the second reaction vessel, steam is directly brought in contact with the heavy petroleum oil to be thermally cracked, and gaseous cracked substances produced and steam are introduced into the distillation tower to be distilled and separated, wherein phase delay is provided for the cycle repeated in each train so that the thermal cracking facility is operated with the different initiation time of feeding to the first reaction vessel in each train.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: October 2, 2012
    Assignees: Chiyoda Corporation, Fuji Oil Co., Ltd.
    Inventors: Atsushi Tamagawa, Makoto Nomura, Isao Shibutani, Keiji Maehara, Hisao Takeuchi
  • Patent number: 8183057
    Abstract: A biomaterial structure containing a larger amount of biomaterial than the conventional art with maintaining the reactivity of the biomaterial is provided by linking particulate lumps in which the biomaterial is bound with a compound capable of binding to the biomaterial, wherein the particle diameter of the particulate lumps is 10 ?m or smaller.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: May 22, 2012
    Assignees: Mitsubishi Chemical Corporation, Mitsubishi Chemical Medience Corporation
    Inventors: Tatsushi Isojima, Hiroyuki Tanaka, Toshifumi Shiroya, Hisao Takeuchi, Minako Hanasaki, Yasuo Ifuku
  • Publication number: 20120053078
    Abstract: A biomaterial structure containing a larger amount of biomaterial than the conventional art with maintaining the reactivity of the biomaterial is provided by linking particulate lumps in which the biomaterial is bound with a compound capable of binding to the biomaterial, wherein the particle diameter of the particulate lumps is 10 ?m or smaller.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 1, 2012
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Tatsushi ISOJIMA, Hiroyuki Tanaka, Toshifumi Shiroya, Hisao Takeuchi, Minako Hanasaki, Yasuo Ifuku
  • Publication number: 20110261443
    Abstract: Disclosed is a heat ray reflective film having a single layer structure, which has high heat ray reflectivity, can relatively control visible light absorption and visible light reflection and has excellent heat stability. Also disclosed is a heat ray reflective laminate which has high environmental durability and is suitable as a window material for buildings or automobiles. A heat ray reflective laminate which is a laminate comprising a transparent substrate and a heat ray reflective layer and which has a solar reflectance of at least 15% as measured from the side containing the heat ray reflective layer, wherein the heat ray reflective layer comprises a binder resin containing a hydrophilic group other than an N-pyrrolidonyl group, and a metal, and the heat ray reflective layer has a layer thickness of at most 100 nm.
    Type: Application
    Filed: October 23, 2009
    Publication date: October 27, 2011
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Tatsushi Isojima, Tomoko Yamakawa, Naoto Maru, Hiroyuki Aikyou, Hisao Takeuchi, Katsuya Funayama, Hisashi Kusaka
  • Publication number: 20110177306
    Abstract: To provide a new structure-dispersed composite in which a substance poorly soluble in a medium is dispersed as micronized particles, a core-shell structure is dispersed in the medium, wherein said core-shell structure contains microparticles therein, and consists of a core comp rising a core compound that is poorly soluble in said medium and a liquid shell comprising a shell compound that is poorly soluble in said medium, and the mean diameter of said core-shell structure is 10 ?m or less.
    Type: Application
    Filed: December 16, 2005
    Publication date: July 21, 2011
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tatsushi Isojima, Haruki Asatani, Hiroya Seki, Hisao Takeuchi
  • Publication number: 20100096009
    Abstract: There is provided porous silica having a low refractive index and being stable when exposed to water. The porous silica is configured to have a refractive index of 1.3 or lower and to have a difference of the refractive index at a wavelength 550 nm between before the immersion into water and after the immersion into water for 24 hours of 0.15 or lower.
    Type: Application
    Filed: March 13, 2008
    Publication date: April 22, 2010
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Katsuya Funayama, Junichi Ooizumi, Tomoko Yamakawa, Hisao Takeuchi
  • Publication number: 20100018897
    Abstract: The present invention relates to a process for thermal cracking of heavy petroleum oil, in which when a thermal cracking facility having a cracking furnace, two or more of trains each comprising two reaction vessels and one distillation tower is operated, each train is operated by repeating a cycle comprising drawing the heavy petroleum oil from the cracking furnace, feeding the drawn heavy petroleum oil into the first reaction vessel and then feeding the drawn heavy petroleum oil into the second reaction vessel, steam is directly brought in contact with the heavy petroleum oil to be thermally cracked, and gaseous cracked substances produced and steam are introduced into the distillation tower to be distilled and separated, wherein phase delay is provided for the cycle repeated in each train so that the thermal cracking facility is operated with the different initiation time of feeding to the first reaction vessel in each train.
    Type: Application
    Filed: August 29, 2007
    Publication date: January 28, 2010
    Applicant: Chiyoda Corporation
    Inventors: Atsushi Tamagawa, Makoto Nomura, Isao Shibutani, Keiji Maehara, Hisao Takeuchi
  • Publication number: 20090158994
    Abstract: A method for growing a Group III nitride semiconductor crystal is provided with the following steps: First, a chamber including a heat-shielding portion for shielding heat radiation from a material 13 therein is prepared. Then, material 13 is arranged on one side of heat-shielding portion in chamber. Then, by heating material to be sublimated, a material gas is deposited on the other side of heat-shielding portion in chamber so that a Group III nitride semiconductor crystal is grown.
    Type: Application
    Filed: December 19, 2008
    Publication date: June 25, 2009
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Michimasa Miyanaga, Naho Mizuhara, Keisuke Tanizaki, Issei Satoh, Hisao Takeuchi, Hideaki Nakahata
  • Publication number: 20090028950
    Abstract: The subject matter of the present invention is to provide a new particulate material dispersion composite in which a material poorly soluble in water is micronized and dispersed. For the above purpose, a particulate material dispersion composite is produced in the present invention, wherein a particulate material containing a specific material which is poorly soluble in water, a polymer and a lipid is dispersed in water, the mean diameter of said particulate material is 1 ?m or less, and the ratio of the combined weight of said polymer and said lipid to the weight of said specific material is 1.5 or larger.
    Type: Application
    Filed: March 17, 2006
    Publication date: January 29, 2009
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tatsushi Isojima, Haruki Asatani, Hiroya Seki, Hisao Takeuchi