Patents by Inventor Yuzo Kato

Yuzo Kato 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).

  • Carburetor
    Patent number: 4173958
    Abstract: A carburetor in a fuel system in a motor vehicle including a fuel tank, a fuel pump for delivering fuel from the fuel tank to the carburetor under pressure and the return line which returns fuel from the carburetor to the fuel tank when an excess amount of fuel is delivered to the carburetor by the fuel pump. The carburetor further includes a check valve means in the return line for preventing the flow of fuel in the return line in a direction from the fuel tank to the carburetor whereby leaking out of fuel from the carburetor of fuel flowing backwards through the return line is prevented when the vehicle is turned upside down in an accident.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: November 13, 1979
    Assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Aisan Kogyo Kabushiki Kaisha
    Inventors: Yuzo Kato, Akira Ii, Tetsuya Oniki