Patents by Inventor Natuko Ishida

Natuko Ishida 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).

  • Solid cosmetic
    Patent number: D678606
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 19, 2013
    Assignee: Tokiwa Corporation
    Inventors: Natuko Ishida, Arata Sasaki, Tetuya Yasuda