Patents by Inventor Yasuyuki Hamazaki

Yasuyuki Hamazaki 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
    Patent number: 4767680
    Abstract: A fuel cell comprises a gas separator having a dense layer, with porous portions disposed on both faces of the dense layer. The fuel cell, therefore, can store excess electrolyte, and absorb volume changes in the electrolyte without accompanying "flooding". Further, the fuel cell can reduce the thickness of a unit cell, and improve the space factor to output of the fuel cell.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: August 30, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Akemi Hijikata, Masaaki Matsumoto, Taesuke Nakayama, Yasuyuki Hamazaki, Kenji Kataoka