Patents by Inventor Mamoru Hamanishi

Mamoru Hamanishi 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, fuel feed system for fuel cell and portable electric appliance
    Patent number: 5976725
    Abstract: A fuel cell system has a fuel cell of solid polymer type, a rectangular parallelepiped sealing container for accommodating hydrogen occlusion alloy for occluding hydrogen to be supplied to said fuel cell, a connection portion provided in a hydrogen passage between said sealing container and said fuel cell for connecting said sealing container and said fuel cell detachably, a valve mechanism provided in said hydrogen passage for opening and shutting hydrogen gas, and a hydrogen flow rate control mechanism provided in said hydrogen passage for controlling the flow rate of hydrogen gas, and/or hydrogen pressure control mechanism for controlling the pressure of hydrogen gas.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: November 2, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takaharu Gamo, So Kuranaka, Yoshio Morita, Jo Suzuki, Mamoru Hamanishi, Sadao Nagai, Kazuhito Hatoh, Eiichi Yasumoto