Patents by Inventor Tsugio Sugimoto

Tsugio Sugimoto 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 for controlling ignition timing of an engine for marine vessels
    Patent number: 5020497
    Abstract: A method for controlling an engine for a marine vessel which includes, when a sudden fluctuation of a load is to be generated due to connecting or disconnecting of a load at a low speed of the engine, the step of advancing the spark ignition timing by a few degrees at the time the connecting or disconnecting is performed. A different feature is a method which includes, when the throttle opening of an engine for a marine vessel is changed from a predetermined opening degree to a substantially closed state, the step of advancing the spark ignition timing by a few degrees.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: June 4, 1991
    Assignee: Suzuki Jidosha Kogyo Kabushiki Kaisha
    Inventors: Kazuhiro Umehara, Tsugio Sugimoto