Patents by Inventor Masatsugu Ohwada

Masatsugu Ohwada 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).

  • Engine control apparatus
    Patent number: 4421082
    Abstract: An engine control apparatus comprises a first control circuit for terminating delivery of fuel to the engine upon the occurrence of two conditions; namely, when the throttle valve opens at an angle less than a predetermined value and the transmission is in high gear or in neutral. The apparatus also comprises a second control circuit for restarting the engine when the three conditions are fulfilled; namely, when the transmission is in low gear, the engine is operating at a speed less than a predetermined value, and the clutch is disengaged.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: December 20, 1983
    Assignee: Nissan Motor Company, Limited
    Inventors: Shinji Katayose, Masatsugu Ohwada
  • Engine control apparatus
    Patent number: 4416230
    Abstract: An engine control apparatus comprises a fuelcut control circuit for terminating delivery of fuel to the engine when the throttle valve opens at an angle less than a predetermined value and the transmission is in high gear or in neutral. The apparatus also comprises means for preventing the fuelcut control circuit from terminating fuel delivery to the engine when the pressure stored in a brake booster increases to a level insufficient for application of braking to the vehicle.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: November 22, 1983
    Assignee: Nissan Motor Company, Limited
    Inventors: Shinji Katayose, Masatsugu Ohwada, Takashi Oka
  • Aerial trackway type tansportation system with improved speed controller
    Patent number: 4248156
    Abstract: A power or current collector of an aerial trackway vehicle has an arm which is movable in accordance with the change of displacement of the current carrying cable with respect to a trackway by which the vehicle is suspended. A speed controller which is sensitive to the movement of the arm controls the speed of the vehicle and/or other vehicular functions.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: February 3, 1981
    Assignee: Nissan Motor Company, Limited
    Inventors: Yashuhisa Takeuchi, Yukiyoshi Hatori, Masatsugu Ohwada