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For the Inventor, By the Inventor

Sugar Hill, GA, United States of America

Steve Yun Zhang

USPTO Granted Patents = 51 

 

 

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 65(Granted Patents)

Forward Citations (Not Self Cited) = 26(Dec 10, 2025)


Company Filing History:

goldMedal48 out of 1,179 
 
Alcon, Inc.
 patents
silverMedal3 out of 3,923 
 
Novartis Ag
 patents

Years Active: 2018-2025

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Areas of Expertise:
Silicone Hydrogel Contact Lenses
Photochromic Contact Lenses
Embedded Hydrogel Contact Lenses
Colored Cosmetic Contact Lenses
Hydrophilized Polydiorganosiloxane
Contact Lens Packaging Solutions
Ophthalmic Compositions
High Refractive Index Materials
Dosing Devices for Contact Lenses
Hybrid Contact Lenses
Wettable Silicone Hydrogels
51 patents (USPTO):Explore Patents
1. 12392931 - Method for producing wettable silicone hydrogel contact lenses (2025-08-19),
2. 12391014 - Method for making embedded hydrogel contact lenses (2025-08-19),
3. 12379611 - Diffractive contact lenses (2025-08-05),
4. 12370766 - Formulation dosing device for contact lens fabrication (2025-07-29),
5. 12360289 - Method for making embedded hydrogel contact lenses (2025-07-15),
6. 12358245 - Systems and methods for insert placement to fabricate hybrid contact lenses (2025-07-15),
7. 12339528 - Colored cosmetic photochromic contact lenses (2025-06-24),
8. 12286501 - Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof (2025-04-29),
9. 12194699 - Embedded hydrogel contact lenses (2025-01-14),
10. 12194698 - Method for making embedded hydrogel contact lenses (2025-01-14),
11. 12171871 - Contact lens packaging solutions (2024-12-24),
12. 12171870 - Contact lens packaging solutions (2024-12-24),
13. 12162987 - Silicone hydrogel contact lenses (2024-12-10),
14. 12116442 - Method for producing silicone hydrogel contact lenses (2024-10-15),
15. 12111443 - Method for making photochromic contact lenses (2024-10-08),

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