Patents by Inventor Kohtaroh Horiuchi

Kohtaroh Horiuchi 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).

  • Patent number: 5271351
    Abstract: A system for automatically causing a flexible sail to be brought to its optimum position with respect to the wind direction includes a sail holding member installed on the front of the hull and rope winders installed at rear portions of the hull, a flexible sail having its front end attached to the sail holding member and its rear end tied to the ropes wound on the winders, a wind direction detector for detecting wind direction, and a control unit which determines rope winding amounts on the basis of an output from the wind direction detector, and which actuates the rope winders on the basis of the determined values.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: December 21, 1993
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Kohtaroh Horiuchi, Tsuide Yanagihara, Atsushi Uchiyama