Patents by Inventor Huang-Tsung Tu

Huang-Tsung Tu 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 bulb
    Patent number: D791366
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 4, 2017
    Assignee: Epistar Corporation
    Inventors: Ming-Huang Hsu, Huang-Tsung Tu, Wei-Chiang Hu, Chiu-Lin Yao, Been-Yu Liaw, Fang-Su Chu