John P Cronin

This inventor holds 67 USPTO granted patents and 15 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Electrochromic Devices (CPC class G02F). Top assignees: Ajjer L.l.c., Donnelly Corporation, Polyceed Inc.. Active years: 1993-2026.

USPTO Granted Patents = 67 (Patent Applications = 15)

% Patents Active = 67.2

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 6)

Average Co-Inventor Count = 4.1

ph-index = 24

Forward Citations = 3,721(Granted Patents)

Forward Citations (Not Self Cited) = 3,516(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tuscon, AZ (US) (2014 - 2018)
Tucson, AZ (US) (1993 - 2022)

Company Filing History:

Electro Chromix, Inc.

Huntsman International LLC

patents

10. 2 out of 576

Los Alamos National Security, LLC

patents

11. 2 out of 15,988

University of California

Magna Donnelly Corporation

patents

16. 1 out of 4

Schott North America Inc.

patents

17. 2 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:

Electrochromic Devices

Variable Transmission Panels

Ion-Conductive Films

Antimicrobial Compositions

Electrochromic Materials

Intelligent Label Devices

High Refractive Index Materials

Metal Coatings

Conductive Nanoparticles

Flexible Electrooptic Devices

Environmental Safety

Optical Fluorescence

67 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12698435 - Control of electrochromic devices having electrochromic dyes (2026-08-04),

2. 12644333 - Doors and entryway systems with variable light transmission panels (2026-06-02),

3. 12547040 - Insulated glass unit utilizing electrochromic elements with multipe low-e coatings (2026-02-10),

4. 12509625 - Electrochromic devices using non-halogenated anions (2025-12-30),

5. 12509471 - Electrochromic dyes and their use in electrochromic devices (2025-12-30),

6. 12472712 - Fabrication of variable transmission devices using printed interlayers (2025-11-18),

7. 12438189 - Polymeric ion-conductive electrolyte sheet (2025-10-07),

8. 12197097 - Entryway systems with variable light transmission panels (2025-01-14),

9. 12140848 - Window and entryway systems with variable light transmission panels (2024-11-12),

10. 11287716 - Methods of making ion-conductive polymer films for electrochromic devices (2022-03-29),

11. 11270178 - Intelligent label device and method (2022-03-08),

12. 11143593 - Methods to process samples in acidic solutions to detect beryllium in samples by optical fluorescence (2021-10-12),

13. 11086181 - Polymeric ion-conductive electrolyte sheet (2021-08-10),

14. 10948796 - Electrochromic materials, devices and applications of the same (2021-03-16),

15. 10948795 - Perimeter sealant for an electrochromic device (2021-03-16),

Title: The Innovative Journey of John P. Cronin

Introduction: John P. Cronin, a renowned inventor hailing from Tucson, AZ, has made significant contributions to the world of patents and innovations through his remarkable career.

Latest Patents: John P. Cronin holds several patents in various fields, including technology, healthcare, and consumer products. His latest patents focus on cutting-edge solutions for everyday challenges, showcasing his commitment to innovation.

Career Highlights: With a background in engineering and a passion for problem-solving, John P. Cronin has successfully navigated the complex world of patent law. His career highlights include founding a successful patent licensing company and working with top inventors to bring their ideas to life.

Collaborations: Throughout his career, John P. Cronin has collaborated with leading companies, universities, and research institutions to drive innovation forward. His partnerships have led to groundbreaking inventions that have shaped industries and improved lives.

Conclusion: John P. Cronin's dedication to innovation and patent law has established him as a respected figure in the field of inventions. His relentless pursuit of new ideas and collaborations continues to inspire the next generation of inventors worldwide.