Patents by Inventor Shimio Shirogane

Shimio Shirogane 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).

  • Light emitting aroma therapy article
    Patent number: D451183
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: November 27, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Teruhisa Hirano, Shimio Shirogane