Patents by Inventor Hirotshi Amano

Hirotshi Amano 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: D433335
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: November 7, 2000
    Assignee: Procter & Gamble Company
    Inventors: Gregory Alan Zimmer, John Dwayne Walther, Hirotshi Amano