Patents by Inventor Kiyoshi Takeuchi

Kiyoshi Takeuchi 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: 4370964
    Abstract: Disclosed is a spark ignition timing control system for a split type multi-cylinder internal combustion engine which operates to advance the spark advance angle of a specific combustion chamber relative to other combustion chambers. The control system generally comprises a means for detecting a knocking condition and generating knocking signal so as to retard spark advance angle corresponding to knocking of engine and a means for detecting engine load condition and thereafter advancing the spark advance angle of the specific combustion chamber when the engine is driven at relatively high loads.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: February 1, 1983
    Assignee: Nissan Motor Company, Limited
    Inventors: Shigeo Muranaka, Kunihiko Sugihara, Kiyoshi Takeuchi