Patents by Inventor Noboru Kudoh

Noboru Kudoh 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 of controlling ignition of internal combustion engine
    Patent number: 4951640
    Abstract: An ignition control system for an internal combustion engine of the type employed to power a watercraft wherein the engine speed is reduced upon the sensing of an abnormal engine condition. When the engine speed is reduced, the spark timing is also retarded to avoid backfiring in the exhaust system unless the engine conditions indicate that the exhaust gas temperatures might become too high under this retarded condition.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: August 28, 1990
    Assignee: Sanshin Kogyo Kabushiki Kaisha
    Inventors: Itsushi Hirukawa, Satoshi Aoki, Noboru Kudoh
  • Gas exhaustion device for inboard/outboard engine
    Patent number: 4927390
    Abstract: An inboard/outboard drive arrangement and specifically an improved exhaust joint therefor wherein at least one of the rigid conduits of the exhaust system is provided with a projection to engage and restrain a hose clamp which may be released and inadvertently dropped so as to prevent loss of the hose clamp into an inaccessible area.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: May 22, 1990
    Assignee: Sanshin Kogyo Kabushiki Kaisha
    Inventors: Noboru Kudoh, Itsushi Hirukawa, Satoshi Aoki, Tsuyoshi Yoshimura, Shigeki Shiozawa