Patents by Inventor Masatoshi Koroyanagi

Masatoshi Koroyanagi 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).

  • Radial plunger pump
    Patent number: 4605359
    Abstract: A radial plunger pump is provided for supplying pressurized working fluid to any of a plurality of systems using a simple construction in which the pump housing is provided with a plurality of outlets and a switching device for switchingly supplying pressurized working fluid to the respective systems without a requirement for a pressurized reservoir for the pump.
    Type: Grant
    Filed: February 28, 1985
    Date of Patent: August 12, 1986
    Assignee: Nippondenso Co., Ltd.
    Inventors: Masahiko Suzuki, Masatoshi Koroyanagi, Kouichi Moriguchi, Kazuma Matsui