Patents by Inventor Tetsuo Ikebuchi

Tetsuo Ikebuchi 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).

  • Shift control apparatus for automatic transmission and control method therefor
    Patent number: 5454763
    Abstract: An automatic transmission control method and apparatus for a vehicle includes a first gear change mechanism in which an input shaft is connected to an output shaft of a fluid coupling and a rotational speed of the output shaft of the first gear change mechanism is changed by selectively controlling hydraulic oil supplied to and discharged from a plurality of first frictional engaging elements. It further includes a second gear change mechanism in which an input shaft is connected to the output shaft of the first gear change mechanism, the output shaft is connected to a driving wheel member and an output shaft rotational speed of the second gear change mechanism is controlled by selectively controlling the hydraulic oil supplied to and discharged from a plurality of second frictional engaging elements.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: October 3, 1995
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Ikebuchi, Kenjiro Fujita, Katsutoshi Usuki