Patents by Inventor Zhen Ning Yao

Zhen Ning Yao 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).

  • LED tube for a LED bulb
    Patent number: D735900
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: August 4, 2015
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Peter Johannes Martinus Bukkems, Johannes Petrus Maria Ansems, Zhen Ning Yao, Cheng Ming Pu, Zhaobin Guo