Patents by Inventor Hiroaki Koga

Hiroaki Koga 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).

  • Choke device for internal combustion engine
    Patent number: 4888034
    Abstract: A choke device for an internal combustion engine. A choke plate formed with an opening capable of aligning with a suction port of a venturi of a carburetor is slidably supported for opening and closing the suction port. Legs of a suitable length which rise outwardly from the periphery of the opening, and a blow-back prevention plate provided on the tip of the legs and extending in parallel with the choke plate are provided on the outer surface of the choke plate in such a manner as to form an integral structure therewith.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: December 19, 1989
    Assignee: Kioritz Corporation
    Inventor: Hiroaki Koga