Patents by Inventor Hajime Tabata

Hajime Tabata 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: 4922390
    Abstract: A motor-bicycle head lamp includes a reflector formed in a spheroidal shape; a convex lens disposed in front of the reflector; and a shade disposed near a focal point of the convex lens substantially midway between the reflector and the convex lens. The shade is rotatable around the optical axis of the motor-bicycle head lamp in accordance with a slant angle of the body of the motor-bicycle. A slant angle sensor device is provided to rotatably drive the shade.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: May 1, 1990
    Assignees: Honda Motor Co., Ltd., Stanley Electric Co., Ltd.
    Inventors: Yoshihiro Nakazawa, Hajime Tabata, Tooru Hasegawa, Hideyuki Tanabe
  • Patent number: 4870545
    Abstract: Method and apparatus are described for controlling the roadway illuminating position of a motorcycle headlight during cornering of the motorcycle by determining a basic desired optical axis deflection angle for the headlight in response to the turning radius of the vehicle and, coincident therewith, correcting the deflection angle in accordance with the determined longitudinal position of the motorcycle along the roadway turning line.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: September 26, 1989
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kaoru Hatanaka, Hajime Tabata, Tooru Hasegawa, Yoshihiro Nakazawa