Patents by Inventor Tak Lung Delon Cheng

Tak Lung Delon Cheng 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).

  • Anti-Fog Lens and Surface Treatment Method Thereof
    Publication number: 20210247548
    Abstract: An anti-fog lens including a lens and an anti-fog layer. The lens having a first surface and a second surface. The anti-fog layer is disposed on a side of the first surface and a side of the second surface, and includes a modified cellulose triacetate (TAC).
    Type: Application
    Filed: August 24, 2020
    Publication date: August 12, 2021
    Inventors: Chen-Chang Wang-Lee, Tak Lung Delon Cheng