Patents by Inventor Hiroko Sanda

Hiroko Sanda 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).

  • Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same
    Patent number: 7011905
    Abstract: A solid polymer electrolyte membrane and a catalytic layer are properly assembled even when the solid polymer electrolyte membrane and an ion exchange resin in the catalytic layer are formed of different materials. In a fuel cell, a solid polymer electrolyte membrane 20 is provided with a first solid polymer electrolyte membrane 200, and second solid polymer electrolyte membranes 202 and 204 provided at respective sides thereof. The second solid polymer electrolyte membranes 202 and 204 are formed of the same material as the ion exchange resin (not shown) included in a catalytic layer 26 and a catalytic layer 30.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: March 14, 2006
    Assignees: Sanyo Electric Co., Ltd., Kaneka Corporation
    Inventors: Shigeru Sakamoto, Hiroko Sanda, Hirosaku Nagano, Hidekazu Kuromatsu, Kiyoyuki Namura
  • Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same
    Publication number: 20050181285
    Abstract: A solid polymer electrolyte membrane and a catalytic layer are properly assembled even when the solid polymer electrolyte membrane and an ion exchange resin in the catalytic layer are formed of different materials. In a fuel cell, a solid polymer electrolyte membrane 20 is provided with a first solid polymer electrolyte membrane 200, and second solid polymer electrolyte membranes 202 and 204 provided at respective sides thereof. The second solid polymer electrolyte membranes 202 and 204 are formed of the same material as the ion exchange resin (not shown) included in a catalytic layer 26 and a catalytic layer 30.
    Type: Application
    Filed: December 6, 2004
    Publication date: August 18, 2005
    Applicants: SANYO ELECTRIC CO., LTD., KANEKA CORPORATION
    Inventors: Shigeru Sakamoto, Hiroko Sanda, Hirosaku Nagano, Hidekazu Kuromatsu, Kiyoyuki Namura
  • Electrode for rechargeable lithium battery and rechargeable lithium battery
    Patent number: 6887623
    Abstract: An electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that stores and releases lithium and deposited on the current collector, the electrode being characterized in that the current collector has irregularities on its surface and the thin film has spaces extending in a thickness direction of the thin film and configured to increase their width dimensions toward valleys of the irregularities on the current collector surface.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: May 3, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiroyuki Fujimoto, Hiroko Sanda, Takashi Okamoto, Toyoki Fujihara, Masahiro Iyori, Maruo Kamino, Shigeki Matsuta
  • Electrode for rechargeable lithium battery and rechargeable lithium battery
    Publication number: 20040224231
    Abstract: An electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that stores and releases lithium and deposited on the current collector, the electrode being characterized in that the current collector has irregularities on its surface and the thin film has spaces extending in a thickness direction of the thin film and configured to increase their width dimensions toward valleys of the irregularities on the current collector surface.
    Type: Application
    Filed: April 9, 2002
    Publication date: November 11, 2004
    Inventors: Hiroyuki Fujimoto, Hiroko Sanda, Takashi Okamoto, Toyoki Fujihara, Masahiro Iyori, Maruo Kamino, Shigeki Matsuta