Patents by Inventor Kao Nimura

Kao Nimura 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).

  • Audio signal amplifier
    Patent number: D585438
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: January 27, 2009
    Assignee: Yamaha Corporation
    Inventor: Kao Nimura
  • Electronic piano
    Patent number: D610190
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: February 16, 2010
    Assignee: Yamaha Corporation
    Inventor: Kao Nimura