Patents by Inventor Kouichi Nakae

Kouichi Nakae 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).

  • Combustion chamber of a two-stroke engine
    Patent number: 4840147
    Abstract: A two-stroke engine having an intake valve and an exhaust valve which are arranged on the cylinder head. A masking wall is formed on the inner wall of the cylinder head to mask the valve opening between the valve seat and the peripheral portion of the intake valve, which is located on the exhaust valve side, for the entire time for which the intake valve is open.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: June 20, 1989
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Toshio Tanahashi, Norihiko Nakamura, Hiroshi Noguchi, Kenichi Nomura, Toyokazu Baika, Masanobu Kanamaru, Tatsuo Kobayashi, Hideo Nagaosa, Kazuhiro Ito, Toshio Ito, Kouichi Nakae