Patents by Inventor Hideki Miayamoto

Hideki Miayamoto 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).

  • Patent number: 5186128
    Abstract: A valve operating apparatus, which transmits the rotation of the crankshaft of an automotive engine to the intake and exhaust valves to open and close the valves, can selectively vary the timing to open and close the valves and ther lifts of the valves. The valve operating apparatus includes a camshaft with low- and high-speed cams and low- and high-speed rocker arms, one of which is fixed to and the other rotatably supported on a rocker shaft. The valves can be opened and closed by the low-speed rocker arm. The other rocker arm and the rocker shaft can be engaged and disengaged by an engaging mechanism that is actuated by an actuating mechanism depending on the operating condition of the engine.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: February 16, 1993
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Shinichi Murata, Noboru Nakamura, Michiyasu Yoshida, Hideki Miayamoto