Patents by Inventor Yoshihiko Imazu

Yoshihiko Imazu 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).

  • Patent number: 4974693
    Abstract: A compact three wheeled golf cart that is powered by an internal combustion engine that is disposed within a triangle defined by the contact patch of the wheels with the ground to provide stability. The cart is steered by an operator who walks along adjacent the cart and does not ride upon it. An improved variable speed belt transmission and combined reduction set and differential drive the wheels of the cart from the engine.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: December 4, 1990
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Masao Nakai, Yoshihiko Imazu