Patents by Inventor Shizumi Tateyama

Shizumi Tateyama 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).

  • Lamp shade
    Patent number: D326338
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: May 19, 1992
    Assignee: Nihon Art Pasocon Service Yugen Kaisha
    Inventor: Shizumi Tateyama
  • Lamp shade
    Patent number: D327547
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: June 30, 1992
    Assignee: Nihon Art Pasocon Service Yugen Kaisha
    Inventor: Shizumi Tateyama
  • Lamp shade
    Patent number: D328362
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: July 28, 1992
    Assignee: Nihon Art Pasocon Service Yugen Kaisha
    Inventor: Shizumi Tateyama