Patents by Inventor Yorimitsu Ishii

Yorimitsu Ishii 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: D320802
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: October 15, 1991
    Inventor: Yorimitsu Ishii