Patents by Inventor Shigeki Hara

Shigeki Hara 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: 11119023
    Abstract: An apparatus for evaluating gas barrier properties, a support having a polymer for supporting a sample, a chamber on a permeation side, and a detection unit, the support being joined to the opening of the chamber on a permeation side; in which a polymer film is provided between the support and a sample; a chamber on a supply side is provided, being disposed so as to be closably attachable to the sample and able to go up and down; and an external chamber covers a region interposed between the polymer film and the support; and a method of evaluating gas barrier properties using the same.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: September 14, 2021
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, MORESCO CORPORATION
    Inventors: Shigeki Hara, Hajime Yoshida, Yoshikazu Takahashi, Yasushi Hosooka, Takahiro Imamura
  • Publication number: 20210131939
    Abstract: An apparatus for evaluating gas barrier properties, a support having a polymer for supporting a sample, a chamber on a permeation side, and a detection unit, the support being joined to the opening of the chamber on a permeation side; in which a polymer film is provided between the support and a sample; a chamber on a supply side is provided, being disposed so as to be closely attachable to the sample and able to go up and down; and an external chamber covers a region interposed between the polymer film and the support; and a method of evaluating gas barrier properties using the same.
    Type: Application
    Filed: February 26, 2018
    Publication date: May 6, 2021
    Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, MORESCO CORPORATION
    Inventors: Shigeki HARA, Hajime YOSHIDA, Yoshikazu TAKAHASHI, Yasushi HOSOOKA, Takahiro IMAMURA
  • Patent number: 9746411
    Abstract: An apparatus for evaluating gas barrier properties, containing a polymer-containing support for supporting a sample, a chamber on a permeation side, and a detection unit, in which the support is connected with an opening of the chamber on the permeation side, and in which glass transition point of the polymer contained in the support is 100° C. or higher.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: August 29, 2017
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Shigeki Hara, Masakazu Mukaida, Nobuo Hara, Hiroyuki Suda
  • Patent number: 9696251
    Abstract: An apparatus for evaluating gas barrier properties, containing a support (2) for supporting a sample, a chamber on a permeation side, and a detection unit, in which the support is connected with an opening of the chamber on the permeation side, and in which water vapor-transmission rate of the support is 1×10?10 mol/m2sPa to 1×10?14 mol/m2sPa.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: July 4, 2017
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Shigeki Hara, Masakazu Mukaida, Nobuo Hara, Hiroyuki Suda
  • Publication number: 20170074771
    Abstract: A standard film for calibration is configured such that a barrier layer is provided on a resin film and the barrier layer includes at least one of small holes, and is a standard film for calibration of a water vapor transmission rate measuring apparatus for measuring water vapor transmission rate of 10?3 g/m2/day or less, in which when an equivalent circle radius of the small hole is defined as R [?m] and a thickness of the resin film is defined as L [?m], a relation of R/L?5 is satisfied.
    Type: Application
    Filed: May 28, 2015
    Publication date: March 16, 2017
    Applicant: Chemical Materials Evaluation and Research Base
    Inventors: Akira SUZUKI, Shigeki HARA, Hisashi TAKAHAGI, Atsushi UEHIGASHI
  • Publication number: 20160003726
    Abstract: An apparatus for evaluating gas barrier properties, containing a support (2) for supporting a sample, a chamber on a permeation side, and a detection unit, in which the support is connected with an opening of the chamber on the permeation side, and in which water vapor-transmission rate of the support is 1×10?10 mol/m2 sPa to 1×10?14 mol/m2 sPa.
    Type: Application
    Filed: January 30, 2014
    Publication date: January 7, 2016
    Applicant: (NATIONAL INSTITUTE OF ADVANCE INDUSTRIAL SCIENCE AND TECHNOLOGY)
    Inventors: Shigeki HARA, Masakazu MUKAIDA, Nobuo HARA, Hiroyuki SUDA
  • Publication number: 20150369720
    Abstract: An apparatus for evaluating gas barrier properties, containing a polymer-containing support for supporting a sample, a chamber on a permeation side, and a detection unit, in which the support is connected with an opening of the chamber on the permeation side, and in which glass transition point of the polymer contained in the support is 100° C. or higher.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 24, 2015
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Shigeki HARA, Masakazu MUKAIDA, Nobuo HARA, Hiroyuki SUDA
  • Patent number: 9132381
    Abstract: The hydrogen separation device comprises a laminate formed by laminating and integrating a hydrogen separation layer, a mixed gas layer kept adjacent to one surface of the hydrogen separation layer and having a mixed gas flow path, and a transmitted gas layer kept adjacent to the other surface of the hydrogen separation layer and having a transmitted gas flow path, and a vessel containing the laminate therein and filled with a buffer gas, wherein a buffer space is provided between the laminate and the inner wall of the vessel in which a buffer gas can reach at least one end face of the laminate in the lamination direction, and wherein the pressure in the buffer space is equal to or higher than the higher one of the pressure in the mixed gas flow path and the pressure in the transmitted gas flow path.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: September 15, 2015
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE ABD TECHNOLOGY
    Inventors: Shigeki Hara, Masakazu Mukaida, Hiroyuki Suda, Kenji Haraya
  • Publication number: 20130333569
    Abstract: The hydrogen separation device comprises a laminate formed by laminating and integrating a hydrogen separation layer, a mixed gas layer kept adjacent to one surface of the hydrogen separation layer and having a mixed gas flow path, and a transmitted gas layer kept adjacent to the other surface of the hydrogen separation layer and having a transmitted gas flow path, and a vessel containing the laminate therein and filled with a buffer gas, wherein a buffer space is provided between the laminate and the inner wall of the vessel in which a buffer gas can reach at least one end face of the laminate in the lamination direction, and wherein the pressure in the buffer space is equal to or higher than the higher one of the pressure in the mixed gas flow path and the pressure in the transmitted gas flow path.
    Type: Application
    Filed: December 13, 2011
    Publication date: December 19, 2013
    Inventors: Shigeki Hara, Masakazu Mukaida, Hiroyuki Suda, Kenji Haraya
  • Patent number: 7708809
    Abstract: A hydrogen permeable membrane which has an excellent high-temperature amorphous stability and a long lifetime under high-temperature heating operation and which can be miniaturized for use in a high-performance hydrogen purifier. The hydrogen permeable membrane is made of a non-crystalline nickel-zirconium alloy or zirconium-nickel alloy composed of 44 to 75 atom % of nickel or zirconium; and 0.2 to 16 atom % of aluminum, 0.2 to 12 atom % of vanadium and/or niobium, or 0.2 to 12 atom % of niobium and 0.1 to 10 atom % of phosphorus (provided that the combined amount of niobium and phosphorus is not more than 18 atom %); with the balance being zirconium or nickel and unavoidable impurities.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: May 4, 2010
    Assignee: Mitsubishi Materials Corporation
    Inventors: Koichi Kita, Shigeki Hara, Naotsugu Itoh
  • Publication number: 20060213368
    Abstract: A hydrogen permeable membrane which has an excellent high-temperature amorphous stability and a long lifetime under high-temperature heating operation and which can be miniaturized for use in a high-performance hydrogen purifier. The hydrogen permeable membrane is made of a non-crystalline nickel-zirconium alloy or zirconium-nickel alloy composed of 44 to 75 atom % of nickel or zirconium; and 0.2 to 16 atom % of aluminum, 0.2 to 12 atom % of vanadium and/or niobium, or 0.2 to 12 atom % of niobium and 0.1 to 10 atom % of phosphorus (provided that the combined amount of niobium and phosphorus is not more than 18 atom %); with the balance being zirconium or nickel and unavoidable impurities.
    Type: Application
    Filed: November 20, 2003
    Publication date: September 28, 2006
    Applicants: Mitsubishi Materials Corporation, National Institute of Advanced Industrial Science and Technology
    Inventors: Koichi Kita, Shigeki Hara, Naotsugu Itoh
  • Patent number: 6478853
    Abstract: There is disclosed a membrane for separation and dissociation of hydrogen, which comprises an amorphous alloy comprising at least one selected from the group consisting of Zr and Hf, and Ni. The membrane has high permeability only with regard to hydrogen, sufficient mechanical strength and structural stability in an atmosphere of hydrogen, and it does not require, substantially, noble metals, such as Pd and the like.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: November 12, 2002
    Assignees: Secretary of Agency of Industrial Science and Technology
    Inventors: Shigeki Hara, Keiji Sakaki, Naotsugu Itoh