Patents by Inventor Tooru Niwa

Tooru Niwa 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).

  • Throttle valve control apparatus for internal combustion engine
    Patent number: 4462355
    Abstract: Throttle valve control apparatus including an idle-speed increasing device for causing the throttle valve to open beyond the normal idle position according to engine load, a valve closing device for permitting the throttle valve to close beyond the normal idle position when the engine is decelerating or the like, and a restraining mechanism for restraining the operation of the idle-speed increasing device during operation of the valve closing device.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: July 31, 1984
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Syunzaburo Ozaki, Tooru Niwa