Patents by Inventor Chiharu Sohda

Chiharu Sohda 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).

  • Outboard engine arrangement
    Patent number: 4802871
    Abstract: An outboard engine arrangement comprises a transmission for shifting a speed change ratio at least at two stages of higher and lower speeds, the transmission being interposed between a crank shaft of an upper side engine and a drive shaft located coaxilly with the crank shaft for driving a lower side propeller and being contained within an oil pan for the engine, a vertically extending oil feed bore being provided to lubricate the transmission, and means being provided for permitting the oil feed bore to communicate with a bottom in a crank case of the engine.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: February 7, 1989
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yoshimi Watanabe, Hiroshi Kawamura, Chiharu Sohda