Patents by Inventor Sadao Kajiya

Sadao Kajiya 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).

  • Muffler for automobiles
    Patent number: 4124092
    Abstract: A muffler for automobiles having a drum-shaped expansion chamber of diameter D and length h, to which gas inlet and outlet pipes and an insert pipe of a Helmholtz resonator open so that the gas flow traverses the expansion chamber substantially diametrically therethrough, wherein the ratio h/D is substantially 0.25 - 0.4.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: November 7, 1978
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Sadao Kajiya, Tomiaki Atsumi, Osamu Kuroda, Tamio Nakakubo