Patents by Inventor Yayoi Hamada

Yayoi Hamada 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).

  • Cosmetic container
    Patent number: D580598
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: November 11, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Kazuhiro Yamada, Teruhisa Hirano, Yayoi Hamada, Akiko Ashiwa