Patents by Inventor Yoshikazu Kayamura

Yoshikazu Kayamura 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).

  • Tooth brush
    Patent number: D304786
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: November 28, 1989
    Assignee: Naoji Kayamura
    Inventor: Yoshikazu Kayamura