Patents by Inventor Yoshiaki Nakauma

Yoshiaki Nakauma 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).

  • Game cartridge
    Patent number: D315902
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: April 2, 1991
    Assignee: Namco, Ltd.
    Inventor: Yoshiaki Nakauma
  • Game cartridge
    Patent number: D315903
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: April 2, 1991
    Assignee: Namco, Ltd.
    Inventor: Yoshiaki Nakauma
  • Game cartridge
    Patent number: D316089
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: April 9, 1991
    Assignee: Namco Ltd.
    Inventor: Yoshiaki Nakauma