Patents by Inventor Kenichi Nakamuna

Kenichi Nakamuna 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: 4745902
    Abstract: An ignition timing control method for an internal combustion engine which controls the ignition timing of the engine in response to the indicative pressure signal representing the inner pressure of the combustion chamber while keeping the maximum peak position of the indicative pressure signal around a target position or zone. The target position or zone is regulated in accordance with one or more engine parameters.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: May 24, 1988
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Shizuo Yagi, Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Haruhiko Yoshikawa, Kenichi Nakamuna