Patents by Inventor Hisayoshi Oshima

Hisayoshi Oshima 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).

  • Fuel cell system for an automotive vehicle
    Publication number: 20050112417
    Abstract: A fuel cell system includes a windshield washer container 1 storing windshield washer fluid, a permeable membrane unit 2 provided inside the windshield washer container 1, and a fuel cell 11. The permeable membrane unit 2 has the capability of extracting methanol from the windshield washer fluid. The extracted methanol is directly used as the fuel for the fuel cell 11. The windshield washer container 1 has the size comparable with or less than that of a conventional windshield washer container.
    Type: Application
    Filed: October 20, 2004
    Publication date: May 26, 2005
    Applicant: DENSO CORPORATION
    Inventors: Hisayoshi Oshima, Kunio Okamoto
  • Hydrogen storage unit
    Patent number: 6444016
    Abstract: A hydrogen storage unit is provided with a hydrogen storage container containing a hydrogen absorption material, and a filter portion for eliminating impurities contained in stored hydrogen gas. Thereby, the impurities are eliminated from the stored hydrogen gas in the hydrogen storage container, and the hydrogen absorption material is prevented from being poisoned by the impurities. The filter portion can be provided either inside or outside the hydrogen storage container. An adsorbent for adsorbing the impurities can be used in the filter portion. The filter portion is provided with a heating means for enhancing the elimination of the impurities adsorbed in the filter portion, and can be recovered during operation.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: September 3, 2002
    Assignee: Denso Corporation
    Inventors: Hisayoshi Oshima, Hidehiko Hiramatsu
  • Hydrogen storage unit
    Publication number: 20010027724
    Abstract: A hydrogen storage unit is provided with a hydrogen storage container containing a hydrogen absorption material, and a filter portion for eliminating impurities contained in stored hydrogen gas. Thereby, the impurities are eliminated from the stored hydrogen gas in the hydrogen storage container, and the hydrogen absorption material is prevented from being poisoned by the impurities. The filter portion can be provided either inside or outside the hydrogen storage container. An adsorbent for adsorbing the impurities can be used in the filter portion. The filter portion is provided with a heating means for enhancing the elimination of the impurities adsorbed in the filter portion, and can be recovered during operation.
    Type: Application
    Filed: March 7, 2001
    Publication date: October 11, 2001
    Inventors: Hisayoshi Oshima, Hidehiko Hiramatsu
  • Magnetic disk cartridge
    Patent number: 5574607
    Abstract: The magnetic disk cartridge of the present invention comprises a cartridge frame and, freely rotatably disposed therein, a magnetic disk comprising a magnetic recording medium and a hub provided at the center of the medium, wherein the hub is bonded to the medium with a moisture-curable urethane hot-melt adhesive.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: November 12, 1996
    Assignee: Kao Corporation
    Inventors: Keizo Takahashi, Kunihiro Hyakutake, Hisayoshi Oshima