Patents by Inventor Toshiharu Matsuura

Toshiharu Matsuura 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).

  • Cylinder head, spark plug, and piston configuration
    Patent number: 4344408
    Abstract: In an internal combustion engine, the combination of a cylinder head with a plane lower surface and a cavity, a piston with a plane upper surface and a cavity, the plane surfaces of the piston and the cylinder head cooperating to form a squish area on one side of the cylinder bore, and a spark plug protruding into the combustion chamber defined by the cavities so that its igniting tip lies substantially in the squish plane on the other side of the cylinder bore.
    Type: Grant
    Filed: December 7, 1979
    Date of Patent: August 17, 1982
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Tokuta Inoue, Kiyoshi Nakanishi, Mutsumi Kanda, Masahiko Nakada, Toshiharu Matsuura
  • Evaporated fuel feed control device for an internal combustion engine
    Patent number: 4086897
    Abstract: Disclosed is an evaporated fuel feed control device for use in an internal combustion engine which comprises a charcoal canister and an evaporated fuel feed control valve. The feeding operation of the evaporated fuel is stopped only when the throttle valve is closed while the engine is operating at a high number of revolutions per minute, as in the case wherein the vehicle is decelerated while being driven at a high speed.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: May 2, 1978
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Tetsuomi Tamura, Koichi Mizutani, Toshiharu Matsuura