Patents by Inventor Ryozo Iwata

Ryozo Iwata 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).

  • Manual shredder
    Patent number: D414198
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: September 21, 1999
    Assignee: Iwataryo Co., Ltd.
    Inventor: Ryozo Iwata
  • Manual shredder
    Patent number: D426805
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: June 20, 2000
    Assignee: Iwataryo Co., Ltd.
    Inventor: Ryozo Iwata