Patents by Inventor Masahide Osujyo

Masahide Osujyo 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).

  • Hydraulic control system for tractor
    Patent number: 4085806
    Abstract: Hydraulic control system including a bypass provided in an intermediate portion of an oil passage extending from a position control valve to a hydraulic actuator for raising and lowering a working implement. A draft control valve disposed in the bypass controls the pressure of oil flowing into the bypass, in response to the displacement of a member for sensing the draft force of the working implement.
    Type: Grant
    Filed: January 5, 1977
    Date of Patent: April 25, 1978
    Assignee: Kubota Tekko Kabushiki Kaisha
    Inventors: Masahide Osujyo, Isamu Yamanishi, Akio Inamori, Kaoru Fujikawa, Noboru Wakabayashi, Seiichi Ikegami, Makoto Okada, Morimitsu Katayama