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).

  • Patent number: 10691026
    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: Grant
    Filed: January 2, 2019
    Date of Patent: June 23, 2020
    Assignee: NIKON CORPORATION
    Inventors: Osamu Tanitsu, Hirohisa Tanaka, Kinya Kato, Takashi Mori
  • Patent number: 10578973
    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: Grant
    Filed: October 24, 2016
    Date of Patent: March 3, 2020
    Assignee: Nikon Corporation
    Inventors: Hirohisa Tanaka, Hiroshi Ooki, Shinichi Nakajima
  • Patent number: 10522843
    Abstract: A supported bi-metallic non-platinum catalyst that is capable of oxidizing hydrazine to produce, as by-products of energy production, nitrogen, water, and zero or near-zero levels of ammonia is described. The catalyst is suitable for use in fuel cells, particularly those that utilizes an anion-exchange membrane and a liquid fuel such as hydrazine.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: December 31, 2019
    Assignee: STC. UNM
    Inventors: Alexey Serov, Plamen B Atanassov, Tomokazu Sakamoto, Hirohisa Tanaka, Koichiro Asazawa
  • Publication number: 20190137887
    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: January 2, 2019
    Publication date: May 9, 2019
    Applicant: NIKON CORPORATION
    Inventors: Osamu TANITSU, Hirohisa TANAKA, Kinya KATO, Takashi MORI
  • Patent number: 10283692
    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: Grant
    Filed: November 20, 2014
    Date of Patent: May 7, 2019
    Assignees: DAIHATSU MOTOR CO., LTD., NATIONAL UNIVERSITY CORPORATION NAGAOKA OF TECHNOLOGY
    Inventors: Satoru Yamanaka, Yoonho Kim, Takashi Ogawa, Akira Nakajima, Juyoung Kim, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara
  • Patent number: 10175583
    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: Grant
    Filed: February 3, 2017
    Date of Patent: January 8, 2019
    Assignee: NIKON CORPORATION
    Inventors: Osamu Tanitsu, Hirohisa Tanaka, Kinya Kato, Takashi Mori
  • Patent number: 9979325
    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 based on the temperature change of the heat source and in which polarization occurs; a second device for taking out a net generating power from the first device; a temperature sensor that detects the temperature of the first device; a voltage application device that applies a voltage to the first device; and a control unit for activating the voltage application device on detecting an increase in temperature of the first device and for stopping the voltage application device on detecting a decrease in temperature of the first device by the temperature sensor.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 22, 2018
    Assignees: DAIHATSU MOTOR CO., LTD., National University Corporation Nagaoka University of Technology
    Inventors: Yoonho Kim, Satoru Yamanaka, Juyoung Kim, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara
  • Patent number: 9899623
    Abstract: A display device a display region arranged with a plurality of pixels in a matrix shape, wherein each of the plurality of pixels includes a first electrode including a first conducting layer on the first conducting layer and comprised from Mo or a Mo alloy, a second conducting layer comprised from Ag or an Ag alloy, and a third conducting layer on the second conducting layer and comprised from a metal oxide having conducting properties, the first electrode being arranged corresponding to each of the pixels respectively, a light emitting layer above the third conducting layer and emitting light according to a current supply, and a second electrode above the light emitting layer and allowing at least a part of the light from the light emitting layer to pass through.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: February 20, 2018
    Assignee: Japan Display Inc.
    Inventors: Masakazu Kaida, Noriyoshi Kanda, Hirohisa Tanaka
  • Patent number: 9773992
    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: Grant
    Filed: April 6, 2016
    Date of Patent: September 26, 2017
    Assignee: Japan Display Inc.
    Inventors: Satoshi Maruyama, Masakazu Kaida, Hirohisa Tanaka, Takanobu Takenaka, Noriyoshi Kanda
  • Publication number: 20170184978
    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: February 3, 2017
    Publication date: June 29, 2017
    Applicant: NIKON CORPORATION
    Inventors: Osamu TANITSU, Hirohisa TANAKA, Kinya KATO, Takashi MORI
  • Patent number: 9627997
    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: Grant
    Filed: August 28, 2012
    Date of Patent: April 18, 2017
    Assignees: DAIHATU MOTOR CO., LTD, NATIONAL UNIVERSITY COORORATION NAGAOKA UNIVERSITY OF TECHNOLOGY
    Inventors: Yoonho Kim, Juyoung Kim, Satoru Yamanaka, Takeshi Serizawa, Hirohisa Tanaka, Tadachika Nakayama, Masatoshi Takeda, Noboru Yamada, Koichi Niihara
  • Patent number: 9601784
    Abstract: A supported bi-metallic non-platinum catalyst that is capable of oxidizing hydrazine to produce, as by-products of energy production, nitrogen, water, and zero or near-zero levels of ammonia is described. The catalyst is suitable for use in fuel cells, particularly those that utilizes an anion-exchange membrane and a liquid fuel such as hydrazine.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: March 21, 2017
    Assignee: STC.UNM
    Inventors: Alexey Serov, Plamen B Atanassov, Tomokazu Skamoto, Hirohisa Tanaka, Koichiro Asazawa
  • Patent number: 9599905
    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: Grant
    Filed: November 25, 2011
    Date of Patent: March 21, 2017
    Assignee: NIKON CORPORATION
    Inventors: Osamu Tanitsu, Hirohisa Tanaka, Kinya Kato, Takashi Mori
  • Publication number: 20170077437
    Abstract: A display device a display region arranged with a plurality of pixels in a matrix shape, wherein each of the plurality of pixels includes a first electrode including a first conducting layer on the first conducting layer and comprised from Mo or a Mo alloy, a second conducting layer comprised from Ag or an Ag alloy, and a third conducting layer on the second conducting layer and comprised from a metal oxide having conducting properties, the first electrode being arranged corresponding to each of the pixels respectively, a light emitting layer above the third conducting layer and emitting light according to a current supply, and a second electrode above the light emitting layer and allowing at least a part of the light from the light emitting layer to pass through.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 16, 2017
    Inventors: Masakazu KAIDA, Noriyoshi KANDA, Hirohisa TANAKA
  • Publication number: 20170045824
    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: October 24, 2016
    Publication date: February 16, 2017
    Inventors: Hirohisa Tanaka, Hiroshi Ooki, Shinichi Nakajima
  • Patent number: 9513560
    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: Grant
    Filed: April 24, 2014
    Date of Patent: December 6, 2016
    Assignee: Nikon Corporation
    Inventors: Hirohisa Tanaka, Hiroshi Ooki, Shinichi Nakajima
  • 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