Patents by Inventor Yoshio Kagaya

Yoshio Kagaya 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).

  • Jewelry stone
    Patent number: D460378
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: July 16, 2002
    Assignee: Active Japan Co., Ltd.
    Inventor: Yoshio Kagaya