Patents by Inventor Michio Tokushige

Michio Tokushige 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).

  • Vibration preventive rubber device for automobiles
    Patent number: 4252339
    Abstract: A vibration preventive rubber device for automobiles comprising a pair of cylindrical rubber bodies each of which has a low spring constant and is provided at its center with a circumferentially extending annular groove and provided at least one side of the annular groove with an annular laminated body having a high rigidity and including a canvas layer and a rubber body.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: February 24, 1981
    Assignees: Nissan Motor Company, Limited, Tokai Rubber Industries Ltd.
    Inventors: Toshihiko Shimizu, Michio Tokushige