Patents by Inventor Hiroo Satou

Hiroo Satou 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).

  • Method of controlling engine speed for internal combustion engine
    Patent number: 4520778
    Abstract: A method of controlling an engine speed for an internal combustion engine and an apparatus therefor which are capable of significantly improving transient response characteristics and controlling the engine speed with high accuracy. The method and apparatus are adapted to keep the actual engine speed at a set engine speed by proportional control action and derivative control action wherein a derivative control engine speed range is set about the set engine speed to stop derivative action to allow only proportional action to operate an engine speed adjusting operation unit when the actual engine speed is out of the range.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: June 4, 1985
    Assignee: Kokusan Denki Co., Ltd.
    Inventors: Hirotoshi Nanjo, Hiroo Satou, Osamu Takahashi