Patents by Inventor Toshio Kiuchi

Toshio Kiuchi 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).

  • Earphone
    Patent number: D531169
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: October 31, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Eigo Tokioka, Toshio Kiuchi
  • Digital audio disk player
    Patent number: D546812
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: July 17, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Ryuichirou Hirose, Toshio Kiuchi
  • Headphones
    Patent number: D725629
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: March 31, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Toshio Kiuchi
  • Headphone
    Patent number: D745859
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: December 22, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Toshio Kiuchi