Patents by Inventor Keizo Kumashiro

Keizo Kumashiro 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).

  • Brief case
    Patent number: D353713
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: December 27, 1994
    Inventor: Keizo Kumashiro