Patents by Inventor Xiaoqing Duan

Xiaoqing Duan 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).

  • Solid state lighting spot
    Patent number: D627085
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: November 9, 2010
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Xiaoqing Duan, Yongsi Bi, Timothy Rider
  • Lamp
    Patent number: D658789
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: May 1, 2012
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Vincent Stefan David Gielen, Johannes Petrus Maria Ansems, Marcus Joannes van den Bosch, Timothy Howard Rider, Mo Shen, Bao Wang, Feng Ji, Xiaoqing Duan, Jin-Young Song