Patents/Inventors

Yuan Chang

Chicago, ILUS17 patents

17 Patents

US123707662025
Formulation Dosing Device for Contact Lens Fabrication
Alcon Inc.
0 cites
US123582452025
Systems and Methods for Insert Placement to Fabricate Hybrid Contact Lenses
Alcon Inc.
0 cites
US123602892025
Method for Making Embedded Hydrogel Contact Lenses
Alcon Inc.
0 cites
US123395282025
Colored Cosmetic Photochromic Contact Lenses
Alcon Inc.
0 cites
US122709682025
Weekly and Monthly Disposable Water Gradient Contact Lenses
Alcon Inc.
0 cites
US121946992025
Embedded Hydrogel Contact Lenses
Alcon Inc.
0 cites
US121718712024
Contact Lens Packaging Solutions
Alcon Inc.
0 cites
US119754992024
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US119451812024
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US119458952024
Photochromic Polydiorganosiloxane Vinylic Crosslinkers
Alcon Inc.
0 cites
US119339412024
Weekly and Monthly Disposable Water Gradient Contact Lenses
Alcon Inc.
0 cites
US119275122024
Method for Determining Coating Thickness on Coated Contact Lenses
Alcon Inc.
0 cites
US118860452024
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US118464922023
Motion Activated Bow Sight Light
0 cites
US118411272023
Projection Lamp with Quick Locking and Self-detection Functions
ANHUI GUANGJU BOZHONG ELECTRONIC TECHNOLOGY Co Ltd
0 cites
US118337712023
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
USD10020772023
Projection Lamp
Anhui Guangju Bozhong Electronic Technology Co., Ltd
0 cites