Patents by Inventor Kazuo Nakaue

Kazuo Nakaue 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).

  • Fire-resisting safe
    Patent number: D338316
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: August 10, 1993
    Assignee: Kumahira Safe Co., Ltd.
    Inventor: Kazuo Nakaue
  • Fire-resisting safe
    Patent number: D345850
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: April 5, 1994
    Assignee: Kumahira Safe Co., Inc.
    Inventor: Kazuo Nakaue