Patents by Inventor KeYong Zhao

KeYong Zhao 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).

  • Automotive air purifier
    Patent number: D804003
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 28, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: KeYong Zhao, Chen Cai
  • Automotive air purifier
    Patent number: D840304
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 12, 2019
    Assignee: Lumileds Holding B.V.
    Inventors: Weijun Kang, Jiangliang Wang, Keyong Zhao, Chen Cai, Yong Jun Hwang