Patents by Inventor Osamu Tamanaha

Osamu Tamanaha 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).

  • Filing belt type grinder
    Patent number: D298508
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: November 15, 1988
    Assignee: Nitto Kohki Co., Ltd.
    Inventors: Kenji Fukuda, Osamu Tamanaha, Toshio Mikiya
  • Portable reciprocating file
    Patent number: D333765
    Type: Grant
    Filed: December 26, 1990
    Date of Patent: March 9, 1993
    Assignee: Nitto Kohki Co., Ltd.
    Inventor: Osamu Tamanaha