Patents by Inventor Tomiko Sato

Tomiko Sato 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).

  • Toy rattle
    Patent number: D285458
    Type: Grant
    Filed: September 20, 1984
    Date of Patent: September 2, 1986
    Assignee: Combi Co., Ltd.
    Inventors: Shinroku Nakao, Yoshiyasu Ishii, Hiroaki Matsuda, Tomiko Sato