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For the Inventor, By the Inventor

Zeeland, MI, United States of America

Gentex Corporation


USPTO Granted Patents = 1,403



Trademarks = 120

Forward Citations = 61,634

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642 inventors (with patents filed for the assignee):

goldMedal William L Tonar (174 out of 175 patents)

silverMedal David J Cammenga (132 out of 132 patents)

bronzeMedal Jon Harold Bechtel (123 out of 133 patents)

4.  Robert R Turnbull (109 out of 121 patents)

5.  Danny L Minikey, Jr (96 out of 96 patents)

6.  George A Neuman (90 out of 105 patents)

7.  John S Anderson (90 out of 95 patents)

8.  Joseph S Stam (90 out of 94 patents)

9.  Bradley R Hamlin (80 out of 80 patents)

10.  Mark R Roth (76 out of 80 patents)

11.  John K Roberts (73 out of 166 patents)

12.  Frederick T Bauer (69 out of 82 patents)

13.  Thomas F Guarr (68 out of 73 patents)

14.  Henry A Luten (57 out of 68 patents)

15.  Kevin L Ash (56 out of 56 patents)


Core Competencies:
3D Skeleton Detection
Electro-Optic Devices
Illumination Control
Automotive Visor
Rearview Display System
Image Processing
Wearable Vision Systems
Dynamic User Menu Features
Electrochromic Devices
Blind Spot Detection
Helmet Communication System
Driving Aid System

1,403 patents:

1. D1105632 - Helmet (2025-12-09),
2. 12479366 - 3D skeleton detection for in-cabin automotive application (2025-11-25),
3. 12479364 - Vehicle rearview display system with orientation sensing (2025-11-25),
4. 12474612 - Electro-optic devices made with SEBS membranes (2025-11-18),
5. 12470830 - Illumination control for an imaging system (2025-11-11),
6. 12466318 - Display assembly (2025-11-11),
7. D1101285 - Helmet (2025-11-04),
8. 12459433 - Compact windshield attachment system (2025-11-04),
9. 12453202 - Device with a multizone reflector having a discreet opening for a sensor (2025-10-21),
10. 12449953 - Monitoring system with dynamic user menu features (2025-10-21),
11. 12446345 - Single sensor, single path multiview or multi-band sensing (2025-10-14),
12. 12443064 - Electro-optic element with integrated capacitive touch screen functionality (2025-10-14),
13. 12441245 - Universal sensor system for auto dimming control for different spectral outputs (2025-10-14),
14. D1096551 - Memory interface for rearview assembly (2025-10-07),
15. 12435864 - Lighting assembly and illumination system having a lighting assembly (2025-10-07),
GENTEX CORPORATION is a global technology company that specializes in the design, development, and manufacture of high-quality products and systems for the automotive, aerospace, and defense industries. With a focus on innovation, Gentex offers advanced solutions in areas such as automatic dimming rearview mirrors, connected car technology, digital vision systems, and helmets for military and commercial applications. Their commitment to enhancing safety, comfort, and convenience makes them a trusted partner for leading automakers and government agencies worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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1,403 Patents

#1 in Zeeland, MI

#20 in Michigan

#346 in US

#685 in the World

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Zeeland, MI, United States of America

Gentex Corporation

Forward Citations = 61,634

642 inventors:

goldMedal William L Tonar (174 out of 175 patents)

silverMedal David J Cammenga (132 out of 132 patents)

bronzeMedal Jon Harold Bechtel (123 out of 133 patents)

4.  Robert R Turnbull (109 out of 121 patents)

5.  Danny L Minikey, Jr (96 out of 96 patents)

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