Patents by Inventor Kazumi Kimoto

Kazumi Kimoto 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).

  • Patent number: 5871409
    Abstract: A vibration proof device for strings or frame of a racket for sports in which it is possible to absorb vibration not only of the strings but also the frame without hindering operation, comprised of a block of rubber or plastic having a centrally located mushroom shaped vibrator integrally formed by punching or moulding, said block having a size that is substantially the same size as the width between strings and having longitudinal recesses in opposite sides for fitting between strings in use.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: February 16, 1999
    Assignee: Kimony's Incorporated
    Inventor: Kazumi Kimoto