For the Inventor, By the Inventor

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Sarasota, FL, United States of America

E-vision, LLC

USPTO Granted Patents = 49

CIPO Patents = 2

EPO Patents = 9

Trademarks = 2

Forward Citations = 3,087

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32 inventors (with patents filed for the assignee):

Ronald D Blum (40 out of 210 patents)

William Kokonaski (34 out of 148 patents)

Dwight P Duston (23 out of 69 patents)

4. Dan Katzman (10 out of 18 patents)

5. Joshua N Haddock (7 out of 70 patents)

6. Anita Trajkovska-Broach (5 out of 12 patents)

7. Dwight P Dustin (5 out of 5 patents)

8. Venkatramani S Iyer (4 out of 27 patents)

9. Youval Katzman (4 out of 9 patents)

10. Massimo Pinazza (3 out of 20 patents)

11. Scott N Richman (3 out of 3 patents)

12. Mark Graham (3 out of 21 patents)

13. Tiziano Tabacchi (3 out of 6 patents)

14. Volkan H Ozguz (3 out of 22 patents)

15. Charles Dale Willey (3 out of 30 patents)

Core Competencies:

Moisture-Resistant Eye Wear

Electrochromic Films

Liquid Crystal Alignment Layers

Electro-Active Ophthalmic Lens

Static Progressive Surface Region

Adaptive Optics

Electro-Optic Lens

Variable Index of Refraction

Electro-Active Spectacles

Multi-Focal Spectacle Lens

Electro-Active Contact Lens

Birefringence Reduction

49 patents: Sort by Forward Citations

1. 11586057 - Moisture-resistant eye wear (2023-02-21),

2. 11473186 - Electrochromic films and related methods thereof (2022-10-18),

3. 11061252 - Hinge for electronic spectacles (2021-07-13),

4. 10838258 - Liquid crystal alignment layers and method of fabrication (2020-11-17),

5. 10761393 - Electro-chromic devices including solid or quasi-solid electrolyte layers and methods of making the same (2020-09-01),

6. 10613355 - Moisture-resistant eye wear (2020-04-07),

7. 10061175 - Electrochromic films and related methods thereof (2018-08-28),

8. 9939682 - Liquid crystal alignment layers and method of fabrication (2018-04-10),

9. 8727531 - Electro-active opthalmic lens having an optical power blending region (2014-05-20),

10. 8641191 - Static progressive surface region in optical communication with a dynamic optic (2014-02-04),

11. 8333470 - Electro-active opthalmic lens having an optical power blending region (2012-12-18),

12. 8047651 - Electro-active opthalmic lens having an optical power blending region (2011-11-01),

13. 8029134 - System, apparatus, and method for correcting vision using an electro-active lens (2011-10-04),

14. 7997733 - System, apparatus and method for correcting vision with an adaptive optic (2011-08-16),

15. 7988286 - Static progressive surface region in optical communication with a dynamic optic (2011-08-02),

e-Vision, LLC is a technology company specializing in innovative software solutions. With a focus on delivering cutting-edge digital products, our team of experts combines creativity and technical expertise to help businesses achieve their goals. We offer a range of services including software development, web design, mobile app development, and digital marketing. Visit our website to learn more about our services and explore our portfolio.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

49 Patents

#5 in Sarasota, FL

#165 in Florida

#6,915 in US

#13,865 in the World

Sarasota, FL, United States of America

E-vision, LLC

Forward Citations = 3,087

32 inventors:

Ronald D Blum (40 out of 210 patents)

William Kokonaski (34 out of 148 patents)

Dwight P Duston (23 out of 69 patents)

4. Dan Katzman (10 out of 18 patents)

5. Joshua N Haddock (7 out of 70 patents)

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