Patents by Inventor Huey-chuan CHENG

Huey-chuan 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).

  • Publication number: 20190137786
    Abstract: At least some embodiments of the present disclosure relate to an ophthalmic lens to be disposed on a cornea, the ophthalmic lens includes a first zone and a second zone. The first zone has a first vision correction power for myopia correction. The second zone is disposed radially outwardly of the first zone. The second zone surrounds the first zone. The second zone has a second vision correction power greater than the first vision correction power.
    Type: Application
    Filed: June 7, 2017
    Publication date: May 9, 2019
    Inventor: Huey-chuan CHENG