Patents by Inventor Nai-Chen Tsai

Nai-Chen Tsai 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).

  • Light fixture
    Patent number: D824565
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: July 31, 2018
    Assignee: COSMO LIGHTING INC.
    Inventor: Nai-Chen Tsai
  • Light fixture
    Patent number: D825089
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 7, 2018
    Assignee: COSMO LIGHTING INC.
    Inventor: Nai-Chen Tsai