Patents by Inventor Takanao Yoshizawa

Takanao Yoshizawa 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).

  • Apparatus for supporting floor plates above substrate
    Patent number: 4258516
    Abstract: Apparatus for supporting floor plates above substrate comprising a supporting rod threadedly engaged with an upper female screw threaded sleeve fitted in a hole provided at a corner of the floor plate and threadedly engaged with a lower female screw threaded sleeve fitted in a center hole of a cylindrical rubber-like elastic body disposed on the substrate, said supporting rod being provided at its upper end with a slot adapted to be engaged with a driving tool and the upper threads of said supporting rod being oppositely handed to the lower threads thereof.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: March 31, 1981
    Assignee: Bridgestone Tire Company Limited
    Inventors: Osamu Mori, Takanao Yoshizawa, Kozo Samata