Patents by Inventor Toshihiko Uenage

Toshihiko Uenage 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).

  • Automatic trim controller for marine propulsion unit
    Patent number: 5366393
    Abstract: Several embodiments of automatic trim controls for marine outboard drives for maintaining the optimum trim angle under all running conditions. The velocity of the watercraft is determined and the outboard drive is trimmed up as long as the velocity continues to increase and then is trimmed down so as to maintain the highest velocity possible for a given running condition. Several different computer programs are illustrated and described for achieving this purpose and a number of different embodiments of power units for controlling the trim condition are also described, some hydraulic and other mechanical.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: November 22, 1994
    Assignee: Sanshin Kogyo Kabushiki Kaisha
    Inventors: Toshihiko Uenage, Yoshihide Hirano
  • Automatic trim controller for marine propulsion unit
    Patent number: 4734069
    Abstract: Several embodiments of automatic trim controls for marine outboard drives for maintaining the optimum trim angle under all running conditions. The velocity of the watercraft is determined and the outboard drive is trimmed up as long as the velocity continues to increase and then is trimmed down so as to maintain the highest velocity possible for a given running condition. Several different computer programs are illustrated and described for achieving this purpose and a number of different embodiments of power units for controlling the trim condition are also described, some hydraulic and other mechanical.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: March 29, 1988
    Assignee: Sanshin Kogyo Kabushiki Kaisha
    Inventors: Toshihiko Uenage, Yoshihide Hirano