Patents by Inventor Shun-ichiro Sugimoto

Shun-ichiro Sugimoto 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).

  • Control system for electromagnetic clutch for vehicle
    Patent number: 5074392
    Abstract: A transmission includes a control unit which controls engagement/disengagement of an electromagnetic clutch such that it is disengaged when it is detected that a vehicle is at a stop, and such that the vehicle creeps at a predetermined speed when pressing of an accelerator pedal is detected.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: December 24, 1991
    Assignees: Hitachi, Ltd., Nitachi Automotive Engineering Co. Ltd.
    Inventors: Akira Hasegawa, Kazuhiko Sato, Michimasa Horiuchi, Shun-ichiro Sugimoto
  • Power steering control apparatus
    Patent number: 4708220
    Abstract: A power steering control apparatus includes apparatus for detecting a steering force applied to a steering wheel of a vehicle, an actuator controllable in accordance with an output of the steering force detecting apparatus and apparatus for detecting a steering angle, and the actuator is controlled in accordance with the steering angle and the steering force such that an assistant restoring force corresponding to the steering angle is applied to the steering wheel.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: November 24, 1987
    Assignees: Hitachi, Ltd., Fuji Heavy Industries, Ltd.
    Inventors: Yasuo Noto, Shun-ichiro Sugimoto
  • Plunger type electromagnet
    Patent number: 4233585
    Abstract: An electromagnet of the plunger type is disclosed which includes a plunger body and a guide for guiding the plunger body in its sliding movement. The plunger body is formed with a resin coat on the surface thereof which is brought into sliding contact with the guide, and the guide is formed with a resin at least in a portion thereof which is brought into sliding contact with the plunger body, so that in the electromagnet the magnetic resistance may be reduced and the sliding characteristics and the wear resisting property may be improved.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: November 11, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Shun-ichiro Sugimoto, Hisazi Shinoki