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For the Inventor, By the Inventor

South San Francisco, CA, United States of America

Forsight Vision4, Inc.


USPTO Granted Patents = 50

% Expired Patents = 4.0



Forward Citations = 454

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37 inventors (with patents filed for the assignee):

goldMedal Randolph E Campbell (39 out of 41 patents)

silverMedal Kathleen Cogan Farinas (33 out of 37 patents)

bronzeMedal Signe R Erickson (32 out of 46 patents)

4.  Eugene De Juan, Jr (23 out of 129 patents)

5.  Cary J Reich (23 out of 129 patents)

6.  Yair Alster (22 out of 85 patents)

7.  K Angela Macfarlane (20 out of 39 patents)

8.  Darren G Doud (19 out of 40 patents)

9.  Michael Barrett (11 out of 37 patents)

10.  Christina Skieller (9 out of 10 patents)

11.  David Batten (9 out of 9 patents)

12.  Douglas Sutton (9 out of 95 patents)

13.  Kevin W Sacherman (8 out of 12 patents)

14.  Mike Barrett (7 out of 7 patents)

15.  Greg Stine (7 out of 7 patents)


Core Competencies:
Ocular Implant
Drug Delivery
Therapeutic Substances
Expandable Devices
Fluid Exchange
Porous Structures
Posterior Segment
Implantable Therapeutic
Diagnostic Methods
Injector Apparatus
Sustained Delivery
Receptor Tyrosine Kinase

50 patents:

1. 12343283 - Ocular implant delivery device and method (2025-07-01),
2. 12251336 - Expandable drug delivery devices and methods of use (2025-03-18),
3. 12201556 - Porous structures for extended release drug delivery devices (2025-01-21),
4. 12115102 - Ophthalmic implant for delivering therapeutic substances (2024-10-15),
5. 12102560 - Implantable ocular drug delivery devices (2024-10-01),
6. D1033637 - Fluid exchange device (2024-07-02),
7. 11813196 - Diagnostic methods and apparatus (2023-11-14),
8. 11786396 - Injector apparatus and method for drug delivery (2023-10-17),
9. 11679027 - Combined drug delivery methods and apparatus (2023-06-20),
10. 11642310 - Posterior segment drug delivery (2023-05-09),
11. 11617680 - Implantable ocular drug delivery devices (2023-04-04),
12. 11510810 - Ophthalmic implant for delivering therapeutic substances (2022-11-29),
13. 11432959 - Porous structures for extended release drug delivery devices (2022-09-06),
14. 11419759 - Fluid exchange apparatus for expandable port delivery system and methods of use (2022-08-23),
15. 11337853 - Ocular implant delivery device and method (2022-05-24),
Company Overview
Forsight Vision4, Inc., based in South San Francisco, specializes in innovative ocular drug delivery solutions. The company focuses on developing advanced ocular implants designed to deliver therapeutic substances effectively to the posterior segment of the eye. Their core technologies include expandable devices and porous structures that facilitate fluid exchange, enhancing treatment options for various ocular conditions. Forsight Vision4 is committed to improving patient outcomes through cutting-edge research and development in the field of ophthalmology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Forsight Vision4, Inc. USPTO Patent Assignee Logo
50 Patents

#31 in South San Francisco, CA

#1,650 in California

#7,009 in US

#14,013 in the World

South San Francisco, CA (US)
South San Francisco, CA, United States of America

Forsight Vision4, Inc.

Forward Citations = 454

37 inventors:

goldMedal Randolph E Campbell (39 out of 41 patents)

silverMedal Kathleen Cogan Farinas (33 out of 37 patents)

bronzeMedal Signe R Erickson (32 out of 46 patents)

4.  Eugene De Juan, Jr (23 out of 129 patents)

5.  Cary J Reich (23 out of 129 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Forsight Vision4, Inc.. Retrieved from https://idiyas.com/company/forsight-vision4

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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