Patents by Inventor Hirohisa Tanaka

Hirohisa Tanaka 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).

  • Publication number: 20160293878
    Abstract: An organic EL display device includes in order from a substrate side: a metal layer; an insulating layer formed on the metal layer; a first electrode layer formed on the insulating layer; an organic layer formed on the first electrode layer; and a second electrode layer formed on the organic layer. The metal layer is for use as a reflective layer configured to reflect, on a surface of the metal layer, light generated from the organic layer by applying a voltage between the first electrode layer and the second electrode layer.
    Type: Application
    Filed: April 6, 2016
    Publication date: October 6, 2016
    Inventors: Satoshi MARUYAMA, Masakazu KAIDA, Hirohisa TANAKA, Takanobu TAKENAKA, Noriyoshi KANDA
  • Publication number: 20160284964
    Abstract: A power generation system includes: a heat source having a temperature being changed over time; a flow passage through which a heat medium heated by the heat source passes; a power generation device including a power generation element and a first electrode, the power generation element being electrically polarized by temperature change thereof depending on temperature change of the heat medium, the first electrode extracting electric power from the power generation element; a temperature detection device being disposed on an upstream side relative to the power generation device in the flow passage and detecting the temperature of the heat medium; a voltage application device that applies voltage to the power generation element; and a control device that activates the voltage application device when the temperature increase of the heat medium has been detected and deactivates the voltage application unit when the temperature decrease of the heat medium has been detected.
    Type: Application
    Filed: November 20, 2014
    Publication date: September 29, 2016
    Applicants: DAIHATSU MOTOR CO., LTD., NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGY
    Inventors: Satoru YAMANAKA, Yoonho KIM, Takashi OGAWA, Akira NAKAJIMA, Juyoung KIM, Hirohisa TANAKA, Tadachika NAKAYAMA, Masatoshi TAKEDA, Noboru YAMADA, Koichi NIIHARA
  • Publication number: 20160225973
    Abstract: Provided are a power generation element including a power generation material indicated by the following general formula (1), and a power generation system using the power generation element: (AxB1-x)NbO3 (1), where A and B are mutually different and represent at least one element selected from rare-earth elements, alkaline-earth metals, alkaline metals, Cd, and Bi, and x represents an atomic proportion in a numerical range of 0<x?1. The configuration provides a power generation material that enables sufficient power generation performance even in a high temperature range, a power generation element including the power generation material, and a power generation system using the power generation element.
    Type: Application
    Filed: September 9, 2014
    Publication date: August 4, 2016
    Applicants: DAIHATSU MOTOR CO., LTD., NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGY
    Inventors: Juyoung KIM, Yoonho KIM, Takashi Ogawa, Satoru YAMANAKA, Akira NAKAJIMA, Hirohisa TANAKA, Tadachika NAKAYAMA, Masatoshi TAKEDA, Noboru YAMADA, Koichi NIIHARA
  • Patent number: 9379402
    Abstract: An anion conducting electrolyte membrane with high performance where the electric conductivity and the water uptake are balanced, and a method of manufacturing the same are disclosed. The anion conducting electrolyte membrane comprises: a polymeric material which consists of fluorine polymer, olefinic polymer, or aromatic polymer; weak base quaternary salt obtained by the reaction of grafts introduced by graft polymerizing vinyl monomer which contains halogenated alkyl groups using radiation and strong organic bases.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: June 28, 2016
    Assignees: Japan Atomic Energy Agency, Daihatsu Motor Co., Ltd.
    Inventors: Kimio Yoshimura, Hiroshi Koshikawa, Tetsuya Yamaki, Masaharu Asano, Yasunari Maekawa, Hideyuki Shishitani, Hirohisa Tanaka, Susumu Yamaguchi, Koichiro Asazawa, Kazuya Yamamoto, Fumihiro Sanpei
  • Publication number: 20160038921
    Abstract: A method for producing an exhaust gas purifying catalyst including a composite oxide represented by the following general formula (3), the method including a primary baking step of baking a coprecipitate obtained from an aqueous mixed salt solution of respective elements, a citrate complex obtained from an aqueous citric acid mixed salt solution of salts of the respective elements and citric acid, or a precipitate obtained from an alkoxide mixed solution of the respective elements at 500 to 1200° C., the respective elements constituting the exhaust gas purifying catalyst represented by the following general formula (3), including A, B and Fe but excluding Pd; a step of adding an aqueous solution of Pd salt to a primary composite oxide obtained through the primary baking step to give a precursor composition; and a secondary baking step of baking the precursor composition at 800 to 1400° C., AO.x(B2-y-ZFeyPdZO3-?) (3).
    Type: Application
    Filed: October 16, 2015
    Publication date: February 11, 2016
    Applicants: DAIHATSU MOTOR CO., LTD., CATALER CORPORATION
    Inventors: Hirohisa TANAKA, Mari UENISHI, Masashi TANIGUCHI, Ryouhei IWASAKI, Mareo KIMURA, Satoshi MATSUEDA
  • Patent number: 9235133
    Abstract: An illumination optical apparatus is able to adjust each of pupil luminance distributions at respective points on a surface to be illuminated to being almost uniform, while maintaining or adjusting an illuminance distribution on the surface to be illuminated to being almost uniform. The illumination optical apparatus illuminates the surface to be illuminated (M, W), with a light beam from a light source (1). The apparatus is provided with a pupil distribution forming device (1-4) for forming a pupil luminance distribution with a predetermined luminance distribution on an illumination pupil plane; and an adjuster (8, 9) for independently adjusting each of pupil luminance distributions about respective points on the surface to be illuminated. The adjuster has a plurality of adjustment surfaces each of which is disposed in an optical path between the pupil distribution forming device and the surface to be illuminated and has a predetermined transmittance distribution or reflectance distribution.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: January 12, 2016
    Assignee: NIKON CORPORATION
    Inventors: Hirohisa Tanaka, Koji Shigematsu
  • Patent number: 9195069
    Abstract: An illumination optical apparatus has a beam splitting member which splits an incident beam into a first light beam and a second light beam to form a first illumination region and a second illumination region, a first light-guide optical system which guides the first light beam to the first illumination region, and a second light-guide optical system which guides the second light beam to the second illumination region locate apart from the first illumination region.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: November 24, 2015
    Assignee: NIKON CORPORATION
    Inventors: Hirohisa Tanaka, Hideki Komatsuda
  • Patent number: 9190597
    Abstract: A power-generating system includes a heat source having a temperature that goes up and down over time; a first device that undergoes electric polarization due to a temperature change of the heat source; and a second device that takes out an electric power from the first device.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: November 17, 2015
    Assignee: DAIHATSU MOTOR CO., LTD.
    Inventors: Yoonho Kim, Takeshi Serizawa, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara
  • Publication number: 20150265968
    Abstract: Provided is a catalyst composition capable of preventing decrease in catalytic activity due to grain growth of noble metal under high temperature or under change in oxidation reduction or further for long term use, and of achieving excellent catalytic activity over a long time. The catalyst composition containing a composite oxide represented by the following general formula (1): AO.x(B2-yCyO3-?)??(1) (wherein A represents an element selected from monovalent elements, divalent elements and lanthanides; B represents a trivalent element; and C represents a noble metal; x represents an integer of 1 to 6; y represents an atomic ratio satisfying the following relation; 0<y<2; and a represents a deficient, atomic ratio of oxygen atoms) is prepared.
    Type: Application
    Filed: June 8, 2015
    Publication date: September 24, 2015
    Applicant: CATALER CORPORATION
    Inventors: Hirohisa TANAKA, Isao TAN, Mari UENISHI, Masashi TANIGUCHI, Mareo KIMURA, Satoshi MATSUEDA
  • Patent number: 9130222
    Abstract: A fuel cell system of the present invention includes a fixing unit that fixes or releases hydrazine, a fuel cell to which hydrazine released in the fixing unit is supplied as fuel, a supply line for supplying an aqueous hydrazine solution from a hydrazine supply source to the fixing unit, a drain line for draining drained water from the fixing unit, a first sensing unit for detecting a hydrazine concentration in an aqueous hydrazine solution flowing in the supply line, a second sensing unit for detecting a hydrazine concentration in drained water flowing in the drain line, and a detection unit that detects the amount of hydrazine fixed in the fixing unit based on the concentration values detected by the first sensing unit and the second sensing unit.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: September 8, 2015
    Assignee: DAIHATSU MOTOR CO., LTD.
    Inventors: Koichiro Asazawa, Koji Yamada, Hirohisa Tanaka
  • Patent number: 8993475
    Abstract: An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: March 31, 2015
    Assignees: Cataler Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Mareo Kimura, Keiichi Narita, Akimasa Hirai, Akiya Chiba, Naoto Miyoshi, Kazunobu Ishibashi, Takaaki Kanazawa, Takeru Yoshida, Hirohisa Tanaka, Mari Uenishi, Isao Tan, Masashi Taniguchi
  • Patent number: 8947635
    Abstract: According to one embodiment, an illumination optical system is provided with an optical integrator which forms a predetermined light intensity distribution on an illumination pupil plane in an illumination optical path of the illumination optical system with incidence of exposure light from a light source device thereinto; a transmission filter arranged on the reticle side with respect to the optical integrator and in a first adjustment region set including the illumination pupil plane in an optical-axis direction of the illumination optical system, and having a transmittance characteristic varying according to positions of the exposure light incident thereinto; and a movement mechanism which moves the transmission filter along the optical-axis direction in the first adjustment region.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: February 3, 2015
    Assignee: Nikon Corporation
    Inventors: Hirohisa Tanaka, Yasushi Mizuno
  • Patent number: 8945791
    Abstract: In a fuel cell including an electrolyte layer allowing an anion component to migrate, and a fuel-side electrode and an oxygen-side electrode arranged to face each other while sandwiching the electrolyte layer, the oxygen-side electrode contains a first catalyst containing a first transition metal and polypyrrole, and a second catalyst containing a second transition metal and a porphyrin ring-containing compound so that the mixing ratio of the first catalyst relative to 100 parts by mass of the total amount of the first catalyst and the second catalyst is more than 10 parts by mass, and below 90 parts by mass.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: February 3, 2015
    Assignees: Daihatsu Motor Co. Ltd., STC UNM
    Inventors: Koichiro Asazawa, Koji Yamada, Hirohisa Tanaka, Kazuya Yamamoto, Tim Olson, Svitlana Pylypenko, Plamen Atanassov
  • Patent number: 8908151
    Abstract: An illumination optical system is one for illuminating a surface to be illuminated with light from a light source, which has a distribution forming optical system including an optical integrator and forming a pupil intensity distribution on an illumination pupil located behind the optical integrator, and an optical attenuator arranged on a predetermined surface in an optical path behind the optical integrator and having an attenuation characteristic of varying an attenuation rate depending upon an angle of incidence to the predetermined surface.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: December 9, 2014
    Assignee: Nikon Corporation
    Inventors: Kouji Muramatsu, Osamu Tanitsu, Hirohisa Tanaka, Masaya Yamamoto, Norio Miyake, Yasushi Mizuno, Ryuji Takaya, Risa Yoshimoto, Hiroyuki Hirota
  • Publication number: 20140307245
    Abstract: An illumination optical system can form a pupil intensity distribution with a desired beam profile. The illumination optical system for illuminating an illumination target surface with light from a light source is provided with a spatial light modulator which has a plurality of optical elements arrayed on a predetermined surface and individually controlled and which variably forms a light intensity distribution on an illumination pupil of the illumination optical system; a divergence angle providing member which is arranged in a conjugate space including a surface optically conjugate with the predetermined surface and which provides a divergence angle to an incident beam and emits the beam; and a polarizing member which is arranged at a position in the vicinity of the predetermined surface or in the conjugate space and which changes a polarization state of a partial beam of a propagating beam propagating in an optical path.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 16, 2014
    Inventors: Hirohisa Tanaka, Hiroshi Ooki, Shinichi Nakajima
  • Publication number: 20140271431
    Abstract: Provided is a method for purifying exhaust gas discharged from an internal combustion engine of a vehicle, using an exhaust gas purifying catalyst including a composite oxide represented by the following general formula AO.x(B2-yCyO3-?), wherein A represents an element selected from monovalent elements, divalent elements and lanthanides; B represents a trivalent element; and C represents a noble metal; x represents an integer of 1; y represents an atomic ratio satisfying the following relation: 0<y<2; and ? represents a deficient atomic ratio of oxygen atoms; and wherein the composite oxide has a spinel type crystal phase, and wherein the exhaust gas purifying catalyst removes carbon monoxide (CO) exhaust gas discharged from the internal combustion engine of the vehicle.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 18, 2014
    Applicants: CATALER CORPORATION, DAIHATSU MOTOR CO., LTD.
    Inventors: Hirohisa TANAKA, Isao TAN, Mari UENISHI, Masashi TANIGUCHI, Mareo KIMURA, Satoshi MATSUEDA
  • Publication number: 20140233008
    Abstract: An illumination optical system which illuminates an illumination objective surface with a light from a light source. The illumination optical system includes a spatial light modulator which includes a plurality of optical elements arranged within a predetermined plane and controlled individually, and which forms a light intensity distribution in an illumination pupil of the illumination optical system; and a polarization unit which is arranged in a position optically conjugate with the predetermined plane, and which polarizes an incident light beam having a first and second partial light beams, coming into the polarization unit such that the first and second partial light beams have polarization states different from each other, and emits the polarized incident light beam as an outgoing light beam, wherein the polarization unit changes, in a cross section of the outgoing light beam, a ratio between a cross sectional areas of the first and second partial light beams.
    Type: Application
    Filed: November 25, 2011
    Publication date: August 21, 2014
    Applicant: NIKON CORPORATION
    Inventors: Osamu Tanitsu, Hirohisa Tanaka, Kinya Kato, Takashi Mori
  • Publication number: 20140225474
    Abstract: A power-generating system includes a heat source which is able to produce temporal temperature variation, a first device in which polarization occurs based on the temperature change of the heat source, and a second device for taking out a net generating power from the first device, wherein 80% or higher of the total surface area of the first device is heated and/or cooled with the heat source.
    Type: Application
    Filed: August 28, 2012
    Publication date: August 14, 2014
    Applicants: DAIHATSU MOTOR CO., LTD., NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGY
    Inventors: Yoonho Kim, Juyoung Kim, Satoru Yamanaka, Takeshi Serizawa, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara
  • Publication number: 20140217852
    Abstract: A power-generating system includes a heat source which is able to produce temporal temperature variation; a first device which is able to produce temporal temperature variation so as to include at least partially a temperature range of ?20° C. relative to the Curie temperature to +10° C. relative to the Curie temperature based on the temperature change of the heat source, and in which polarization occurs; and a second device for taking out a net generating power from the first device.
    Type: Application
    Filed: August 28, 2012
    Publication date: August 7, 2014
    Applicant: DAIHATSU MOTOR CO., LTD.
    Inventors: Yoonho Kim, Takeshi Serizawa, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara, Kyohei Ogawa, Hiroya Nakata, Masashi Shida, Satoshi Ishizawa
  • Publication number: 20140066528
    Abstract: A graft chain containing an N-vinylimidazole derivative is introduced into a polymer substrate by radiation graft polymerization to obtain an alkyl substituted imidazolium salt by a reaction with an alkyl halide, so that an anion exchange membrane with high alkaline durability, in which a nucleophilic substitution reaction and an elimination reaction are inhibited, is obtained.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 6, 2014
    Applicants: Daihatsu Motor Co., Ltd., Japan Atomic Energy Agency
    Inventors: Kimio YOSHIMURA, Hiroshi KOSHIKAWA, Tetsuya YAMAKI, Masaharu ASANO, Yasunari MAEKAWA, Hideyuki SHISHITANI, Koichiro ASAZAWA, Susumu YAMAGUCHI, Hirohisa TANAKA