For the Inventor, By the Inventor

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Carpinteria, CA, United States of America

Essex Electronics Incorporated

USPTO Granted Patents = 19

% Expired Patents = 5.3

Trademarks = 3

Forward Citations = 150

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9 inventors (with patents filed for the assignee):

Garrett Y Kaufman (11 out of 11 patents)

Peter Kaufman (10 out of 13 patents)

John C Echols (7 out of 10 patents)

4. Robert Douglas Hogg (5 out of 6 patents)

5. Henry L Miszkiewicz (3 out of 3 patents)

6. R Douglas Hogg (2 out of 2 patents)

7. Douglas Hogg (1 out of 1 patent)

8. Echols, John C (1 out of 1 patent)

9. Richard W Foster (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 12518583 - Method and apparatus for operating a RFID system (2026-01-06),

2. 11995936 - Method and apparatus for operating a RFID system (2024-05-28),

3. 11594089 - Touchless motion sensor systems for performing directional detection and for providing access control (2023-02-28),

4. 11328546 - Method and apparatus for operating a RFID system (2022-05-10),

5. 10020571 - Antenna mounting system for metallic structures (2018-07-10),

6. 9140757 - Testing a circuit assembly that contains a piezoelectric switch (2015-09-22),

7. D738882 - Touchless microwave switch (2015-09-15),

8. D724588 - Smart card RFID reader (2015-03-17),

9. D686932 - Proximity sensor (2013-07-30),

10. D686931 - Proximity sensor (2013-07-30),

11. D639195 - Proximity sensor (2011-06-07),

12. D639194 - Proximity sensor (2011-06-07),

13. D634662 - Proximity sensor (2011-03-22),

14. D634661 - Proximity sensor (2011-03-22),

15. 7063471 - Access control apparatus (2006-06-20),

Essex Electronics Incorporated is a leading provider of electronic manufacturing services based in California. With over 20 years of experience, we offer a wide range of services including PCB assembly, cable assembly, and testing services. Our state-of-the-art facilities and expert team ensure high-quality and timely delivery for all our customers.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

19 Patents

#6 in Carpinteria, CA

#4,094 in California

#17,113 in US

#32,592 in the World

Carpinteria, CA, United States of America

Essex Electronics Incorporated

Forward Citations = 150

9 inventors:

Garrett Y Kaufman (11 out of 11 patents)

Peter Kaufman (10 out of 13 patents)

John C Echols (7 out of 10 patents)

4. Robert Douglas Hogg (5 out of 6 patents)

5. Henry L Miszkiewicz (3 out of 3 patents)

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