Patents by Inventor Sigemitsu Nakamura

Sigemitsu Nakamura 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: D243757
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: March 22, 1977
    Assignee: Bridgestone Tire Company Limited
    Inventors: Toshio Hayakawa, Sigemitsu Nakamura