Sugar Hill, GA, United States of America

Steve Yun Zhang

This inventor holds 55 USPTO granted patents and 24 published patent applications, plus 7 CIPO patents and 34 EPO patents, primarily in Contact Lens Technology. Top assignees: Alcon, Inc., Novartis Ag. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steve Yun Zhang. Retrieved from https://idiyas.com/inventor/steve-yun-zhang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 55 (Patent Applications = 24)

% Patents Active = 100.0

CIPO Patents = 7 (Patent Applications = 3)

EPO Patents = 34 (Patent Applications = 48)

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 77(Granted Patents)

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

Company Filing History:

Years Active: 2018-2026

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Areas of Expertise:

Hydrogel Contact Lenses

Silicone Hydrogel

Photochromic Lenses

Contact Lens Fabrication

Ocular Inserts

Dosing Device

Colored Contact Lenses

Packaging Solutions

Crosslinkers

Oxygen Permeability

Refractive Index

Insert Materials

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12703161 - Method for producing wettable silicone hydrogel contact lenses (2026-08-11),

2. 12638614 - Method for making silicone hydrogel contact lenses (2026-05-26),

3. 12570784 - Method for making embedded hydrogel contact lenses (2026-03-10),

4. 12539650 - Method for making embedded hydrogel contact lenses (2026-02-03),

5. 12392931 - Method for producing wettable silicone hydrogel contact lenses (2025-08-19),

6. 12391014 - Method for making embedded hydrogel contact lenses (2025-08-19),

7. 12379611 - Diffractive contact lenses (2025-08-05),

8. 12370766 - Formulation dosing device for contact lens fabrication (2025-07-29),

9. 12360289 - Method for making embedded hydrogel contact lenses (2025-07-15),

10. 12358245 - Systems and methods for insert placement to fabricate hybrid contact lenses (2025-07-15),

11. 12339528 - Colored cosmetic photochromic contact lenses (2025-06-24),

12. 12286501 - Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof (2025-04-29),

13. 12194699 - Embedded hydrogel contact lenses (2025-01-14),

14. 12194698 - Method for making embedded hydrogel contact lenses (2025-01-14),

15. 12171871 - Contact lens packaging solutions (2024-12-24),

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Profile summary based on public USPTO records.