Patents by Inventor Tiangang Zhuang

Tiangang Zhuang 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).

  • Lenses and eyeglasses for correction of color blindness
    Patent number: 10901239
    Abstract: The present invention relates to optical devices for use by color blindness viewers and more particularly, to eyeglasses which improve the ability of a color blindness viewer to discriminate between different colored objects.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 26, 2021
    Assignee: PILESTONE, INC.
    Inventors: Tiangang Zhuang, Shangzi Zou, Ximin Yin
  • Lenses and eyeglasses for correction of color blindness
    Publication number: 20200201080
    Abstract: The present invention relates to optical devices for use by color blindness viewers and more particularly, to eyeglasses which improve the ability of a color blindness viewer to discriminate between different colored objects.
    Type: Application
    Filed: March 13, 2018
    Publication date: June 25, 2020
    Inventors: Tiangang Zhuang, Shangzi Zou, Ximin Yin