Patents by Inventor Tzong-Ju Tsay

Tzong-Ju Tsay 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).

  • Patent number: 11448901
    Abstract: The present invention proposes an anti UV420 lens, wherein it at least has a substrate at least stacked with a multi-film layer formed by stacking a first antireflection (AR) film layer, silicon dioxide colorless transparent film layer, zirconium dioxide film, trititanium pentoxide (Ti3O5) layer and silicon-aluminum mixture film layer, a waterproof layer is at least stacked on a surface of the multi-film layer, and a second antireflection layer and anti-blue light film layer are at least electroplated on a surface of the anti UV420 lens.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 20, 2022
    Assignee: HE CHENG OPTICAL CO., LTD.
    Inventor: Tzong-Ju Tsay
  • Publication number: 20210199994
    Abstract: The present invention proposes an anti UV420 lens, wherein it at least has a substrate at least stacked with a multi-film layer formed by stacking a first antireflection (AR) film layer, silicon dioxide colorless transparent film layer, zirconium dioxide film, trititanium pentoxide (Ti3O5) layer and silicon-aluminum mixture film layer, a waterproof layer is at least stacked on a surface of the multi-film layer, and a second antireflection layer and anti-blue light film layer are at least electroplated on a surface of the anti UV420 lens.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 1, 2021
    Inventor: Tzong-Ju Tsay