Patents by Inventor Eigi Hamashima

Eigi Hamashima 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).

  • Electromagnetic fuel injection valve
    Patent number: 5109824
    Abstract: An electromagnetic fuel injection valve includes a fuel swirl element disposed upstream of a valve seat for giving a swirl force to fuel, a fuel injection port disposed downstream of the valve seat, fuel dividing device disposed downstream of the fuel injection port for dividing a fuel flow.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: May 5, 1992
    Assignees: Hitachi, Ltd., Hitachi Automotive Engineering Co., Ltd.
    Inventors: Yoshio Okamoto, Yozo Nakamura, Mineo Kashiwaya, Eigi Hamashima