Patents by Inventor Shigemi J. Nakagiri

Shigemi J. Nakagiri 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).

  • Chain shortener
    Patent number: D317553
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: June 18, 1991
    Inventor: Shigemi J. Nakagiri