For the Inventor, By the Inventor

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Rockville, MD, United States of America

Optex Corporation

USPTO Granted Patents = 24

% Expired Patents = 4.2

Trademarks = 3

Forward Citations = 76

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18 inventors (with patents filed for the assignee):

Steven W McLaughlin (16 out of 32 patents)

Keisuke Katsumi (2 out of 7 patents)

William R Ziegler (2 out of 3 patents)

4. Allen M Earman (2 out of 2 patents)

5. John M Gerpheide (2 out of 2 patents)

6. Tomoyuki Ohba (2 out of 8 patents)

7. Katsutoshi Tatsuoka (1 out of 4 patents)

8. Hiroyuki Ohba (1 out of 6 patents)

9. James Sargent (1 out of 1 patent)

10. Robert Blair (1 out of 1 patent)

11. Arthur Robert Calderbank (1 out of 36 patents)

12. Toshiyasu Matsuyama (1 out of 5 patents)

13. Paul Goldsmith (1 out of 1 patent)

14. Daniel T Brower (1 out of 1 patent)

15. Robert E Revay (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 12753650 - Automatic door system (2026-10-06),

2. D1148565 - Object detector (2026-09-22),

3. D1123661 - Object detector (2026-04-28),

4. 8994229 - Wireless non-contact switch for automatic doors (2015-03-31),

5. 8431899 - Passive infrared ray sensor (2013-04-30),

6. 5781130 - M-ary (d,k) runlength limited coding for multi-level data (1998-07-14),

7. 5757293 - M=8 (1,2) runlength limited code for multi-level data (1998-05-26),

8. 5748118 - M=7 (3,8) runlength limited code for multi-level data (1998-05-05),

9. 5748117 - M=8 (1,3) runlength limited code for multi-level data (1998-05-05),

10. 5682155 - M=6(4,11) runlength limited code for multi-level data (1997-10-28),

11. 5682154 - M=4 (1,2) runlength limited code for multi-level data (1997-10-28),

12. 5680128 - M=6(3,8) runlength limited code for multi-level data (1997-10-21),

13. 5675330 - M=5(4,11)runlength limited code for multi-level data (1997-10-07),

14. 5670956 - M=5 (3,7) runlength limited code for multi-level data (1997-09-23),

15. 5668546 - M=6 (3,6) runlength limited code for multi-level data (1997-09-16),

Company Overview

Optex Corporation, headquartered in Rockville, MD, specializes in advanced sensing technologies and solutions. The company focuses on developing innovative products for various sectors, including security, industrial automation, and environmental monitoring. With a commitment to research and development, Optex leverages cutting-edge technology to enhance safety and efficiency in diverse applications. Their expertise spans across sensor technology, providing reliable and effective solutions tailored to meet the evolving needs of their global clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

24 Patents

#30 in Rockville, MD

#180 in Maryland

#13,872 in US

#26,628 in the World

Rockville, MD, United States of America

Optex Corporation

Forward Citations = 76

18 inventors:

Steven W McLaughlin (16 out of 32 patents)

Keisuke Katsumi (2 out of 7 patents)

William R Ziegler (2 out of 3 patents)

4. Allen M Earman (2 out of 2 patents)

5. John M Gerpheide (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Optex Corporation. Retrieved from https://idiyas.com/company/optex

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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