Patents by Inventor Tomiyasu Tagawa

Tomiyasu Tagawa 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).

  • Catalytic converter having improved supporting members for monolithic catalyst
    Patent number: 4115071
    Abstract: The catalytic element is supported at its both longitudinal ends by two supporting members which are secured to the inner surface of a casing. Each supporting member is formed with a plurality of slits for releasing thermal stresses generated therein due to a high temperature within the casing when used.
    Type: Grant
    Filed: November 9, 1976
    Date of Patent: September 19, 1978
    Assignee: Nissan Motor Company, Limited
    Inventors: Tetsuzo Masuda, Tomiyasu Tagawa, Hachiro Yoshioka, Takashi Akahoshi