Patents by Inventor Ken Ji

Ken Ji 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).

  • Downlight luminaire
    Patent number: D880751
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: April 7, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Ken Ji, Liang Bao, Yong Jun Y J Hwang