Patents by Inventor Kuo-yu Kao

Kuo-yu Kao 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).

  • Single piece headphone
    Patent number: D876399
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: February 25, 2020
    Assignee: Logitech Europe S.A.
    Inventors: Stephen Duddy, Kuo-yu Kao, Jeremy Saxton, Guillaume Mathias, Shyh-Dean Chen, Jeffery Cheung
  • Headphone
    Patent number: D897995
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 6, 2020
    Assignee: LOGITECH EUROPE S.A.
    Inventors: Stephen Duddy, Kuo-yu Kao, Jeremy Saxton, Guillaume Mathias, Shyh-Dean Chen, Jeffery Cheung