Patents by Inventor Mami Sato

Mami 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).

  • Electronic keyboard
    Patent number: D668710
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: October 9, 2012
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Mami Sato
  • Electronic keyboard
    Patent number: D696715
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: December 31, 2013
    Assignee: Yamaha Corporation
    Inventors: Mami Sato, Kazuki Kashiwase
  • Digital piano
    Patent number: D718375
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: November 25, 2014
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Mami Sato, Takenori Omachi
  • Digital piano
    Patent number: D718809
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: December 2, 2014
    Assignee: Yamaha Corporation
    Inventors: Takenori Omachi, Sunao Okamura, Mami Sato