Murrysville, PA, United States of America

Barry Van Gemert

This inventor holds 57 USPTO granted patents and 1 published patent application, plus 5 CIPO patents and 7 EPO patents, primarily in Photochromic Materials (CPC class 5462). Top assignees: Transitions Optical, Inc., Ppg Industries, Inc., Ppg Industries Ohio, Inc.. Active years: 1983-2024.

USPTO Granted Patents = 57 (Patent Applications = 1)

% Patents Active = 98.2

CIPO Patents = 5 (Patent Applications = 1)

EPO Patents = 7 (Patent Applications = 3)

Average Co-Inventor Count = 2.1

ph-index = 28

Forward Citations = 2,324(Granted Patents)

Forward Citations (Not Self Cited) = 2,015(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Massillon, OH (US) (1983 - 1990)
Pittsburgh, PA (US) (1997)
Murrysville, PA (US) (1993 - 2008)
Westmoreland County, PA (US) (2007 - 2008)
Delmont, PA (US) (2014 - 2015)
Pitcairn, PA (US) (2009 - 2024)

Company Filing History:

29 out of 220

Transitions Optical, Inc.

Ppg Industries Ohio, Inc.

patents

4. 4 out of 907

Johnson and Johnson Vision Care, Inc.

patents

5. 2 out of 3,580

American Cyanamid Company

patents

Years Active: 1983-2024

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Areas of Expertise:

Photochromic Materials

Ophthalmic Devices

Naphthopyrans

Reactive Substituents

Indeno-Fused Compounds

Polymeric Matrix

Contact Lenses

Electron-Withdrawing Substituents

Photochromic Articles

Manufacturing Methods

Pyrano-Quinolines

Thermal Dependency

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11874434 - Ophthalmic devices comprising photochromic materials with reactive substituents (2024-01-16),

2. 11256002 - Ophthalmic devices comprising photochromic materials with reactive substituents (2022-02-22),

3. 10197707 - Ophthalmic devices comprising photochromic materials with reactive sub substituents (2019-02-05),

4. 9139552 - Indeno-fused naphthopyrans having ethylenically unsaturated groups (2015-09-22),

5. 9073838 - Method of making indeno-fused naphthol materials (2015-07-07),

6. 9052438 - Ophthalmic devices comprising photochromic materials with reactive substituents (2015-06-09),

7. 9028728 - Photochromic materials that include indeno-fused naphthopyrans (2015-05-12),

8. 8765978 - Method of making indeno-fused naphthol materials (2014-07-01),

9. 7584630 - Photochromic ocular devices (2009-09-08),

10. 7560056 - Photochromic contact lenses and methods of manufacturing (2009-07-14),

11. 7556751 - Photochromic materials having electron-withdrawing substituents (2009-07-07),

12. 7556750 - Photochromic materials with reactive substituents (2009-07-07),

13. 7465415 - Photochromic materials derived from ring-opening monomers and photochromic initiators (2008-12-16),

14. 7368072 - Photochromic contact lenses and methods of manufacturing (2008-05-06),

15. 7320826 - Photochromic articles with reduced temperature dependency and methods for preparation (2008-01-22),

Title: The Innovative Journey of Barry Van Gemert

Introduction: Barry Van Gemert, a talented inventor hailing from Murrysville, PA (US), has made significant contributions to the world of innovations with his creative mind and dedication to problem-solving.

Latest Patents: Barry Van Gemert holds several patents in various fields, including technology, healthcare, and consumer products. His most recent patent focuses on a groundbreaking sustainable energy solution that has the potential to revolutionize the renewable energy industry.

Career Highlights: Throughout his illustrious career, Barry Van Gemert has been recognized for his groundbreaking inventions that have improved the lives of many. His innovative spirit and commitment to excellence have led to the successful development of products that have garnered international acclaim.

Collaborations: Barry Van Gemert has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Barry Van Gemert stands as a shining example of an inventor whose passion for innovation has driven him to create solutions that have a lasting impact on society. His dedication to pushing the boundaries of what is possible continues to inspire the next generation of inventors.