Patents by Inventor Tomomichi Oishi

Tomomichi Oishi 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 control bush assembly and method of making the same
    Patent number: 4139246
    Abstract: The bush assembly for vibration control herein disclosed includes an inner cylinder, an annular stop member encircling the middle portion of the inner cylinder and an outer cylinder which is smaller in length than the inner cylinder. The outer cylinder coaxially encircles the inner cylinder and is radially spaced apart therefrom to define a cylindrical clearance space encircling the inner cyclinder. A generally cylindrical impact absorbing member of vulcanized rubber is secured in the cylindrical space by injection molding and a pair of washers are secured to the outer ends of the inner cylinder.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: February 13, 1979
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Shigeta Mikoshiba, Tomomichi Oishi