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For the Inventor, By the Inventor

Pinellas Park, FL, United States of America

Transitions Optical, Inc.


USPTO Granted Patents = 216



Trademarks = 14

Forward Citations = 4,095

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150 inventors (with patents filed for the assignee):

goldMedal Anil Kumar (116 out of 192 patents)

silverMedal Meng He (51 out of 63 patents)

bronzeMedal Barry Van Gemert (29 out of 57 patents)

4.  David B Knowles (26 out of 63 patents)

5.  Anu Chopra (25 out of 34 patents)

6.  Darrin R Dabideen (21 out of 22 patents)

7.  Robert W Walters (20 out of 61 patents)

8.  Peter C Foller (20 out of 41 patents)

9.  Terry A Kellar, Ii (18 out of 25 patents)

10.  Forrest R Blackburn (17 out of 29 patents)

11.  Jiping Shao (15 out of 27 patents)

12.  David John Park (14 out of 14 patents)

13.  Wenjing Xiao (14 out of 22 patents)

14.  Kevin J Stewart (14 out of 26 patents)

15.  Ruisong Xu (13 out of 13 patents)


Core Competencies:
Photochromic Compounds
Optical Articles
Curable Photochromic Compositions
Indolenaphthopyrans
Ultraviolet Curing Apparatus
Gradient Light Influencing Properties
Coating Systems
Mesogen Compounds
Ophthalmic Lenses
Customization of Optical Articles
Diagnostic Stations

216 patents:

1. 12504568 - Photochromic-dichroic articles (2025-12-23),
2. 12503543 - Curable photochromic polycarbodiimide compositions (2025-12-23),
3. 12492343 - Mesogen compounds (2025-12-09),
4. 12404448 - Dihydroquinoline photochromic compounds (2025-09-02),
5. 12360401 - Photochromic film laminate (2025-07-15),
6. 12344617 - Indolonaphthopyrans (2025-07-01),
7. 12319862 - Method for preparing a coated article (2025-06-03),
8. 12304991 - Photochromic article (2025-05-20),
9. 12271426 - Method, system, and computer program product for generating a customized photochromic optical article recommendation (2025-04-08),
10. 12247168 - Curable photochromic compositions including an oxazoline functional material (2025-03-11),
11. 12247035 - Articles comprising indolenaphthopyrans (2025-03-11),
12. 12246473 - Inert ultraviolet curing apparatus (2025-03-11),
13. 12242090 - Multi-stage optical article (2025-03-04),
14. 12240996 - Curable photochromic composition including a segmented polymer (2025-03-04),
15. 12234402 - Mesogen compounds (2025-02-25),
Transitions Optical, Inc. is a leading provider of adaptive eyeglass lenses. With a mission to improve vision and enhance lives, the company developed innovative photochromic technology that automatically adjusts the tint of eyeglass lenses in response to changing light conditions. Transitions Optical lenses adapt to various environments, offering optimal visual experience and protection against harmful UV rays. The company strives to deliver cutting-edge optical solutions, partnering with eyecare professionals and offering a wide range of lens options to cater to individual needs and styles.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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216 Patents

#1 in Pinellas Park, FL

#41 in Florida

#1,861 in US

#3,837 in the World

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Pinellas Park, FL, United States of America

Transitions Optical, Inc.

Forward Citations = 4,095

150 inventors:

goldMedal Anil Kumar (116 out of 192 patents)

silverMedal Meng He (51 out of 63 patents)

bronzeMedal Barry Van Gemert (29 out of 57 patents)

4.  David B Knowles (26 out of 63 patents)

5.  Anu Chopra (25 out of 34 patents)

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