Patents by Inventor Akihiro Oohashi

Akihiro Oohashi 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: 10544341
    Abstract: The present invention provides a thermal conductive polymer composition with low probability for mixing of an air bubble in a thermal conductive molded article, which is a thermal conductive polymer composition including thermal conductive inorganic particles having a specific particle size distribution and an electrically insulating polymer.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: January 28, 2020
    Assignees: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Kenichi Fujikawa, Yoshiharu Hatakeyama, Miho Yamaguchi, Yuji Yamagishi, Akihiro Oohashi
  • Patent number: 9663635
    Abstract: The present invention provides, as an aluminum nitride powder excellent in the water resistance, an aluminum nitride powder subjected to a surface treatment with a predetermined organic compound. The present invention also provides a resin composition including the aluminum nitride powder and a resin, and a thermal conductive molded article obtained by molding the resin composition.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 30, 2017
    Assignees: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Yoshiharu Hatakeyama, Kenichi Fujikawa, Miho Yamaguchi, Yuji Yamagishi, Akihiro Oohashi
  • Publication number: 20170081579
    Abstract: The present invention provides a thermal conductive polymer composition with low probability for mixing of an air bubble in a thermal conductive molded article, which is a thermal conductive polymer composition including thermal conductive inorganic particles having a specific particle size distribution and an electrically insulating polymer.
    Type: Application
    Filed: December 16, 2014
    Publication date: March 23, 2017
    Applicants: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Kenichi FUJIKAWA, Yoshiharu HATAKEYAMA, Miho YAMAGUCHI, Yuji YAMAGISHI, Akihiro OOHASHI
  • Publication number: 20170066908
    Abstract: The present invention provides, as an aluminum nitride powder excellent in the water resistance, an aluminum nitride powder subjected to a surface treatment with a predetermined organic compound. The present invention also provides a resin composition including the aluminum nitride powder and a resin, and a thermal conductive molded article obtained by molding the resin composition.
    Type: Application
    Filed: December 16, 2014
    Publication date: March 9, 2017
    Applicants: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Yoshiharu HATAKEYAMA, Kenichi FUJIKAWA, Miho YAMAGUCHI, Yuji YAMAGISHI, Akihiro OOHASHI
  • Publication number: 20170022407
    Abstract: The present invention provides a thermal conductive polymer composition including aluminum nitride particles having a specific particle size distribution, and a polymer, as a polymer composition with low probability for mixing of an air bubble in a thermal conductive molded article, despite a high volume filling of aluminum nitride particle.
    Type: Application
    Filed: December 16, 2014
    Publication date: January 26, 2017
    Applicants: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Yoshiharu HATAKEYAMA, Kenichi FUJIKAWA, Miho YAMAGUCHI, Akihiro OOHASHI, Yuji YAMAGISHI
  • Publication number: 20130023419
    Abstract: Provided is a covering material, in which the covering material is a covering material for covering a superconducting wire, a tensile strength at break thereof at ?196° C. is 12.0 N/3 mm or more, and a tensile elongation at break thereof at ?196° C. is 12% or more. The covering material preferably includes a backing made of a polyimide resin. The covering material preferably includes a viscoelastic layer formed on one surface of the backing.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 24, 2013
    Applicants: NITTO SHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Kiichiro MATSUSHITA, Hiroomi HANAI, Kazunori HAYASHI, Jun FUJIKI, Akihiro OOHASHI, Kayoko TAKAYANAGI, Kazumasa MUKOBATA, Yoshinori TANAKA
  • Publication number: 20130008689
    Abstract: The covering material for a rectangular electric wire of the present invention is a covering adhesive tape for covering a rectangular electric wire, wherein a viscoelastic material layer is disposed on one side of the backing of the covering material. In particular, in the covering material for a rectangular electric wire of the present invention, the viscoelastic material layer preferably includes a silicone-based adhesive agent composition, and the backing preferably includes a polyimide resin.
    Type: Application
    Filed: December 16, 2011
    Publication date: January 10, 2013
    Applicants: NITTOSHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Kiichiro Matsushita, Yoshihisa Furuta, Kazunori Hayashi, Yoshinori Tanaka, Akihiro Oohashi, Kayoko Takayanagi, Kazumasa Mukobata
  • Publication number: 20130008685
    Abstract: Provided is a covering material, which includes a backing having an upper surface and a lower surface opposite to the upper surface, and a viscoelastic layer formed on the upper surface of the backing, in which the covering material is a covering material for covering a rectangular electric wire, and an adhesive force of the viscoelastic layer to the lower surface of the backing as measured by peeling at a peeling angle of 180° and a tensile rate of 300 mm/min is 0.05 N/20 mm or more and 10 N/20 mm or less. A covered rectangular electric wire includes the covering material and a rectangular electric wire covered with the covering material. An electrical device is produced by using the covered rectangular electric wire.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 10, 2013
    Applicants: NITTO SHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Kiichiro MATSUSHITA, Hiroomi HANAI, Kazunori HAYASHI, Jun FUJIKI, Akihiro OOHASHI, Kayoko TAKAYANAGI, Kazumasa MUKOBATA
  • Patent number: 7982355
    Abstract: An interphase insulating member allowing reduction in size of a rotating electric machine is provided. The interphase insulating member includes a flat portion interposed between and insulating neighboring two phases of coil ends, and a three-dimensional portion protruding from the flat portion and guiding the coil. On a surface of the flat portion, epoxy resin layer is provided as a reinforcing member.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: July 19, 2011
    Assignees: Toyota Jidosha Kabushiki, Nitto Shinko Corporation
    Inventors: Keiji Takizawa, Masakazu Katoh, Jun Fujiki, Akihiro Oohashi, Masanori Imai, Yoshiki Takahashi, Yasuo Kashiwagi, Yoshihide Kitagawa
  • Publication number: 20090237497
    Abstract: An endoscope camera head includes: an image pickup device that is configured to capture an image of an optical image and output an imaging signal containing the captured image; and a lens member that includes a lens for forming the optical image on the image pickup device, wherein the image pickup device is fixed to the lens member at a position in which the center of an image circle of the lens and the center of an image pickup area of the image pickup device coincide with each other.
    Type: Application
    Filed: December 12, 2008
    Publication date: September 24, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Sei Iinuma, Akihiro Oohashi, Masatoshi Ookubo, Takumi Murakami, Kazutoshi Araki
  • Publication number: 20090189476
    Abstract: An interphase insulating member allowing reduction in size of a rotating electric machine is provide. The interphase insulating member includes a flat portion interposed between and insulating neighboring two phases of coil ends, and a three-dimensional portion protruding from the flat portion and guiding the coil. On a surface of the flat portion, epoxy resin layer is provided as a reinforcing member.
    Type: Application
    Filed: March 14, 2007
    Publication date: July 30, 2009
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NITTO SHINKO CORPORATION
    Inventors: Keiji Takizawa, Masakazu Katoh, Jun Fujiki, Akihiro Oohashi, Masanori Imai, Yoshiki Takahashi, Yasuo Kashiwagi, Yoshihide Kitagawa