Patents by Inventor Mitsunobu Hattori

Mitsunobu Hattori 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).

  • Suspension system of automotive vehicle and electric control apparatus for the same
    Patent number: 5697634
    Abstract: A suspension system of an automotive vehicle including a spring disposed between an unsprung mass and a sprung mass for resiliently supporting thereon the sprung mass and a damping force generating mechanism arranged in parallel with the spring for absorbing vibration of the sprung mass relative to the unsprung mass, wherein the suspension system is provided with a spring element disposed in series with the damping force generating mechanism between the unsprung and sprung masses and an electrically operated control mechanism for controlling a spring coefficient of the spring element.
    Type: Grant
    Filed: May 1, 1996
    Date of Patent: December 16, 1997
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hajime Kamimae, Hideo Inoue, Ichisei Kamimura, Satoru Ohsaku, Mitsunobu Hattori, Yasuhiko Mishio, Hiroyoshi Kojima