Patents by Inventor Tetsuo Ohkado

Tetsuo Ohkado 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: D442648
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: May 22, 2001
    Assignee: Tomy Company, Ltd.
    Inventors: Tetsuo Ohkado, Hiroshi Okawa
  • Patent number: D264855
    Type: Grant
    Filed: January 22, 1980
    Date of Patent: June 8, 1982
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Tetsuo Ohkado
  • Patent number: D269689
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: July 12, 1983
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Tetsuo Ohkado
  • Patent number: D271782
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: December 13, 1983
    Assignee: Tomy Kogyo Co., Inc.
    Inventors: Akira Takasaka, Tetsuo Ohkado