Patents by Inventor Koichi Harashima

Koichi Harashima 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 power generation system
    Patent number: 5100744
    Abstract: A single fuel cell stack includes a plurality of divided fuel chambers and a plurality of divided air chambers partitioned or a plurality of fuel cell stacks are connected to each other so that respective fuel chambers and air chambers are connected in series to form a plurality of series fuel chambers and a plurality of an series air chambers. Reaction gas is supplied to selected divided fuel chambers and divided air chambers, or to selected series fuel chambers or series air chambers, selected depending on the stage of load factor.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: March 31, 1992
    Assignee: Fuji Electric Co., Ltd.
    Inventor: Koichi Harashima