Patents by Inventor Chosuke Sato

Chosuke Sato 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).

  • Four-wheel steering device for an automobile
    Patent number: 4953649
    Abstract: A four-wheel steering device for an automobile includes a main turning arrangement for steering main wheels, a subsidiary turning arrangement for sterring subsidiary wheels, and a control system including a motor having terminals thereon, first and second steering angle sensor arrangements for detecting first and second steering angles of the main the subsidiary wheels, respectively, and a control arrangement. The control arrangement is responsive to a state change of the first and second detected steering angles for determining the operating state of the control system. The control arrangement is operable when the control system operates normally to drive and control the motor and thereby the subsidiary turning means so as to steer the subsidiary wheels depending on the steering angle of the main wheels.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: September 4, 1990
    Assignee: Suzuki Jidosha Kogyo Kabushiki Kaisha
    Inventors: Yoshikazu Kawai, Chosuke Sato, Masaru Kato