Patents by Inventor Tetsuo Okado

Tetsuo Okado 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: D251813
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: May 8, 1979
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Tetsuo Okado
  • Patent number: D251924
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: May 22, 1979
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Tetsuo Okado
  • Patent number: D257049
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: September 23, 1980
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Tetsuo Okado