Patents by Inventor Nobuo Ri

Nobuo Ri 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 injector
    Patent number: 5141164
    Abstract: A fuel injector comprising a needle valve and a stop member cooperating with the needle valve. The stop member selectively controls the maximum amount of lift of the needle valve to provide a smaller maximum lift or a larger maximum lift thereof whereby, when the required amount of fuel to be injected by the fuel injector is small, the needle valve is lifted to the smaller maximum lift, and when the required amount of fuel is large, the needle valve is lifted to the larger maximum lift.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: August 25, 1992
    Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Eishi Ohno, Yushiro Yasuda, Norihiko Nakamura, Toshio Tanahashi, Yasuhiko Ishida, Hideto Takeda, Nobuo Ri