Patents by Inventor Norikazu Osada

Norikazu Osada 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: 20240068114
    Abstract: An interconnector for a solid oxide electrochemical cell stack of at least one embodiment includes a metal base that contains an iron-base alloy containing chromium, a protective film provided on a surface of the metal base, and an interlayer provided between the metal base and the protective film arranged to relieve stress.
    Type: Application
    Filed: July 12, 2023
    Publication date: February 29, 2024
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shohei KOBAYASHI, Tsuneji KAMEDA, Masahiro ASAYAMA, Norikazu OSADA, Riko INUZUKA
  • Patent number: 11913784
    Abstract: An absolute encoder preferable in being made compact is provided. The absolute encoder includes a first drive gear, a first permanent magnet, a first angle sensor, and a first driven gear of a central axis that is perpendicular to a central axis of the first drive gear, the first driven gear engaging with the first drive gear. The absolute encoder includes a second drive gear coaxially provided with the first driven gear, the second drive gear being configured to rotate in accordance with rotation of the first driven gear. The absolute encoder includes a second driven gear of which a central axis is perpendicular to the central axis of the first driven gear, the second driven gear engaging with the second drive gear. The absolute encoder includes a second permanent magnet provided on a top end side of the second driven gear.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: February 27, 2024
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Yasuo Osada, Hiroki Negishi, Katsunori Saito, Norikazu Sato
  • Patent number: 11855307
    Abstract: There is provided a metal member capable of effectively preventing a coating layer from peeling off from a base. The metal member in an embodiment is a metal member that is used in a solid-oxide type electrochemical stack, and includes: a base formed of ferritic stainless steel; and a metal film provided on the base, in which the metal film includes a first metal layer containing Co and a second metal layer made of Mn, and is a stack in which the first metal layer and the second metal layer are sequentially stacked from the side of the base.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: December 26, 2023
    Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko Inuzuka, Norikazu Osada, Masato Yoshino, Masahiro Asayama, Shohei Kobayashi, Tsuneji Kameda
  • Publication number: 20230327141
    Abstract: To provide an electrochemical device capable of sufficiently ensuring sealing performance, and the like. The electrochemical device of this embodiment has an electrochemical cell with an electrolyte membrane interposed between a hydrogen electrode and an oxygen electrode; a plurality of separators formed of a metal material; and gas-sealing materials that seal at least one of between the electrochemical cell and the separator and between the plurality of separators. In the electrochemical device, diffusion-preventing coatings, which prevent diffusion of metal elements in the metal material composing the separators, cover surfaces of the separators. The diffusion-preventing coating is formed of a material that reacts with a material composing the gas-sealing material. There are portions where the separators are in direct contact with the gas-sealing materials.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko INUZUKA, Tsuneji KAMEDA, Masahiro ASAYAMA, Masato YOSHINO, Norikazu OSADA, Shohei KOBAYASHI
  • Publication number: 20230282840
    Abstract: A solid oxide electrochemical cell includes an oxygen electrode containing a strontium-containing perovskite-type composite oxide represented by Ln1-xSrxCo1-y-zFeyBzO3-? (Ln is a trivalent lanthanide element, B is a tetravalent element, 0<x<1, 0?y<1, 0<z<1, and 0<z+y<1, and ? is a value that is determined to satisfy charge neutrality conditions), a solid electrolyte containing zirconium oxide, a hydrogen electrode, and an interlayer containing a rare-earth-doped cerium oxide that is provided between the solid electrolyte and the oxygen electrode.
    Type: Application
    Filed: February 23, 2023
    Publication date: September 7, 2023
    Applicants: Japan Fine Ceramics Center, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Koichi Kawahara, Masaya Suzuki, Norikazu Osada, Riko Inuzuka, Tsuneji Kameda, Hiroaki Kawamori
  • Publication number: 20230257889
    Abstract: A hydrogen production system according to an embodiment includes an evaporator that evaporates seawater to generate water vapor, an electrolytic device that electrolyzes the water vapor supplied from the evaporator to produce hydrogen, and a removal mechanism that is provided between the evaporator and the electrolytic device and removes a seawater component from the water vapor.
    Type: Application
    Filed: January 26, 2023
    Publication date: August 17, 2023
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko INUZUKA, Yuka TSUKADA, Yusuke SUZUKI, Jyunpei MATSUMOTO, Norikazu OSADA, Koshito FUJITA, Shinya MIYAMOTO, Yu YAMASHITA, Naomi TSUCHIYA, Ayaka TAJIMA
  • Patent number: 11682771
    Abstract: An electrochemical cell according to an embodiment includes a hydrogen electrode, an electrolyte laminated on the hydrogen electrode, a barrier-layer laminated on the electrolyte, and an oxygen electrode laminated on the barrier-layer. The barrier-layer has a porous structure having a thickness of greater than 20 ?m and a porosity of greater than 10%.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: June 20, 2023
    Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Norikazu Osada, Tsuneji Kameda
  • Publication number: 20230120134
    Abstract: An interconnector for a solid-oxide electrochemical cell stack of the embodiment includes: a metal base containing an iron-based alloy containing chromium; and a protective film provided on a surface of the metal base. The protective film includes a protective film body containing at least one selected from a spinel oxide and a perovskite oxide, and dispersed phases scattered in the protective film body and containing an oxide of at least one element selected from the group consisting of rare earth elements and zirconium.
    Type: Application
    Filed: September 22, 2022
    Publication date: April 20, 2023
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shohei KOBAYASHI, Tsuneji KAMEDA, Masahiro ASAYAMA, Masato YOSHINO, Norikazu OSADA, Riko INUZUKA
  • Publication number: 20230075910
    Abstract: [Problem] Provided are a protective-layer-coated-interconnector, a cell stack, and a hydrogen energy system. A component (particularly Cr) of the interconnector is prevented from diffusing even if the interconnector is exposed to high temperature for a long time. The interconnector has sufficient diffusion barrier performance and protective performance even with a protective layer thinner than conventionally, is inhibited from being degraded through use, and has excellent electrical conductivity. [Solution] A protective-layer-coated-interconnector including an interconnector material and a protective layer on the surface of the interconnector material, wherein the protective layer contains a metal layer constituted by a Group 11 element. A cell stack and a hydrogen energy system that each include this interconnector.
    Type: Application
    Filed: August 8, 2022
    Publication date: March 9, 2023
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shohei KOBAYASHI, Kiyoshi IMAI, Tsuneji KAMEDA, Masahiro ASAYAMA, Masato YOSHINO, Norikazu OSADA, Riko INUZUKA
  • Publication number: 20230047305
    Abstract: A metal component for electrochemical stack in an embodiment includes: a metal base material having a first surface exposed to an atmosphere containing hydrogen and a second surface exposed to an atmosphere containing oxygen; and a hydrogen permeation inhibition and protection coating provided on the first surface of the metal base material. The metal component for electrochemical stack in the embodiment can suppress metallic corrosion also in the case where one side is in contact with air and the other side is in contact with an atmosphere containing hydrogen.
    Type: Application
    Filed: July 15, 2022
    Publication date: February 16, 2023
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko INUZUKA, Tsuneji KAMEDA, Masahiro ASAYAMA, Norikazu OSADA, Shohei KOBAYASHI
  • Patent number: 11575136
    Abstract: There is provided a metal member capable of effectively preventing a coating layer from peeling off from a base. The metal member in an embodiment is a metal member that is used in a solid-oxide type electrochemical stack, and includes: a base formed of ferritic stainless steel; and a metal film provided on the base, in which the metal film includes a first metal layer containing Co and a second metal layer made of Mn, and is a stack in which the first metal layer and the second metal layer are sequentially stacked from the side of the base.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: February 7, 2023
    Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko Inuzuka, Norikazu Osada, Masato Yoshino, Masahiro Asayama, Shohei Kobayashi, Tsuneji Kameda
  • Publication number: 20220393216
    Abstract: A hydrogen electrode includes: a first layer; and a second layer located on the side of the electrolyte membrane relative to the first layer. The first layer is formed of a sintered body of a first metal and a first oxide. The second layer is formed of a sintered body of a second metal and a second oxide different from the first oxide. The first metal and the second metal each are a single metal of at least one element selected from the group consisting of Fe, Co, Ni, and Cu or an alloy of the element. The first oxide is zirconia stabilized with an oxide of at least one element selected from the group consisting of Y, Sc, Ca, and Mg. The second oxide is ceria doped with an oxide of at least one element selected from the group consisting of Sm, Gd, and Y.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 8, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Norikazu OSADA, Tsuneji KAMEDA
  • Publication number: 20220246970
    Abstract: Provided is a protective-layer-coated-interconnector, a cell stack, and a fuel cell. A component (particularly Cr) of the interconnector is prevented from diffusing even if the interconnector is exposed to high temperature for a long time. The interconnector has sufficient diffusion barrier-performance and protective performance. [Solution] A protective-layer-coated-interconnector, a cell stack including the interconnector, and a fuel cell including the interconnector, wherein the interconnector includes an interconnector material and a protective layer on the surface of the interconnector material, wherein the interconnector material is composed of a Fe—Cr alloy containing a rare earth element or a Zr element in a total amount of 1.0 weight % or less, and wherein the protective layer is composed of a Co oxide or an oxide containing: at least one element selected from the group consisting of Al, Ti, Cr, Fe, Ni, Cu, and Zn; and a Co element.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 4, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shohei KOBAYASHI, Tsuneji KAMEDA, Masahiro ASAYAMA, Masato YOSHINO, Norikazu OSADA, Riko INUZUKA
  • Publication number: 20220006102
    Abstract: An electrochemical cell according to an embodiment includes a hydrogen electrode, an electrolyte laminated on the hydrogen electrode, a barrier-layer laminated on the electrolyte, and an oxygen electrode laminated on the barrier-layer. The barrier-layer has a porous structure having a thickness of greater than 20 ?m and a porosity of greater than 10%.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 6, 2022
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Norikazu OSADA, Tsuneji KAMEDA
  • Publication number: 20210296659
    Abstract: There is provided a metal member capable of effectively preventing a coating layer from peeling off from a base. The metal member in an embodiment is a metal member that is used in a solid-oxide type electrochemical stack, and includes: a base formed of ferritic stainless steel; and a metal film provided on the base, in which the metal film includes a first metal layer containing Co and a second metal layer made of Mn, and is a stack in which the first metal layer and the second metal layer are sequentially stacked from the side of the base.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 23, 2021
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Riko INUZUKA, Norikazu OSADA, Masato YOSHINO, Masahiro ASAYAMA, Shohei KOBAYASHI, Tsuneji KAMEDA
  • Publication number: 20210296677
    Abstract: An electrochemical cell includes an electrolyte arranged between a hydrogen electrode and an oxygen electrode. The electrolyte contains a ceria-based material having a fluorite crystal structure and a stabilized zirconia-based material. The electrolyte may include a first electrolyte located on a side close to the hydrogen electrode and containing the ceria-based material. The electrolyte may further include a second electrolyte located on a side close to the oxygen electrode and containing the ceria-based material. The electrolyte may further include a third electrolyte located between the first electrolyte and the second electrolyte and containing the stabilized zirconia-based material.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 23, 2021
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Norikazu OSADA, Tsuneji KAMEDA
  • Patent number: 10761050
    Abstract: A molecular detection apparatus according to an embodiment includes: a distributor which ionizes a target containing substances to be detected, applies voltage to ionized substances, and extracts the substances to be detected according to a time-of-flight based on the speed; a detector which detects the substance to be detected dropped from the distributor; and a discriminator which discriminates the substance to be detected. The detector includes: a plurality of detection units including field effect transistors using graphene layers; and a plurality of organic probes which are provided on the graphene layers, and at least some of which have different bond strengths with the substances to be detected. The substance to be detected is discriminated depending on a signal pattern based on intensity differences of the detection signals generated by differences in the bond strengths between the organic probes and the substances to be detected.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: September 1, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ko Yamada, Hirohisa Miyamoto, Norikazu Osada, Mitsuhiro Oki, Yasuko Noritomi
  • Patent number: 10677770
    Abstract: A molecular detection apparatus 1 according to an embodiment includes: a collection unit collecting detection target gas containing molecules to be detected; a detector including a detection cell having an organic probe provided at a sensor unit, the organic probe capturing the collected molecule to be detected; and a discriminator discriminating the molecule to be detected by a detection signal generated by the molecule being captured by the organic probe. The detection cell has the organic probe containing a phosphonic acid structure or phosphoric acid structure.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: June 9, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ko Yamada, Hirohisa Miyamoto, Reiko Yoshimura, Norikazu Osada, Hiroko Nakamura, Mitsuhiro Oki
  • Patent number: 10527581
    Abstract: A molecular detection apparatus according to an embodiment includes a detector and a discriminator. The detector includes a plurality of detection cells, where the plurality of detection cells include at least an organic probe containing a cyano group or a nitro group as a neighboring group of a reactive group. The discriminator discriminates a substance to be detected by signal patterns of the plurality of detection cells.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: January 7, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ko Yamada, Reiko Yoshimura, Hirohisa Miyamoto, Norikazu Osada, Mitsuhiro Oki, Hiroko Nakamura
  • Publication number: 20180080911
    Abstract: A molecular detection apparatus 1 according to an embodiment includes: a collection unit collecting detection target gas containing molecules to be detected; a detector including a detection cell having an organic probe provided at a sensor unit, the organic probe capturing the collected molecule to be detected; and a discriminator discriminating the molecule to be detected by a detection signal generated by the molecule being captured by the organic probe. The detection cell has the organic probe containing a phosphonic acid structure or phosphoric acid structure.
    Type: Application
    Filed: February 17, 2017
    Publication date: March 22, 2018
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ko YAMADA, Hirohisa MIYAMOTO, Reiko YOSHIMURA, Norikazu OSADA, Hiroko NAKAMURA, Mitsuhiro OKI