Patents by Inventor Hisakazu Fushimi

Hisakazu Fushimi 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).

  • Operation control system for vehicle engine
    Patent number: 4016844
    Abstract: A spark advance and retard system for an automobile engine advances the spark timing when the automobile is cruising, and retards the spark timing when the automobile is idling, accelerating or decelerating. A device which detects cruising of the automobile employs three electrical switches connected in series: the first is opened by actuation of the automobile brake pedal, the second is closed by actuation of the accelerator pedal, and the third is closed by high vacuum conditions in the engine intake system. When all three switches have been closed for a predetermined time interval, a timer device actuated electrically controlled valves to cause a pneumatic operator to advance the spark timing.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: April 12, 1977
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Minoru Tanaka, Akihisa Nakamura, Hisakazu Fushimi