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Rockville, MD, United States of America

Optex Corporation

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USPTO Granted Patents = 25

% Expired Patents = 4.0

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)

Hiroyuki Ohba (2 out of 7 patents)

4. William R Ziegler (2 out of 3 patents)

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

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

7. Tomoyuki Ohba (2 out of 8 patents)

8. Hiroaki Tanabe (2 out of 2 patents)

9. Katsutoshi Tatsuoka (1 out of 4 patents)

10. James Sargent (1 out of 1 patent)

11. Robert Blair (1 out of 1 patent)

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

13. Toshiyasu Matsuyama (1 out of 5 patents)

14. Paul Goldsmith (1 out of 1 patent)

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

25 patents: Sort by Forward Citations

1. 12761339 - Detector, automatic door system, and opening and closing system (2026-10-13),

2. 12753650 - Automatic door system (2026-10-06),

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

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

5. 8994229 - Wireless non-contact switch for automatic doors (2015-03-31),

6. 8431899 - Passive infrared ray sensor (2013-04-30),

7. 5781130 - M-ary (d,k) runlength limited coding for multi-level data (1998-07-14),

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

9. 5748118 - M=7 (3,8) runlength limited code for multi-level data (1998-05-05),

10. 5748117 - M=8 (1,3) runlength limited code for multi-level data (1998-05-05),

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

12. 5682154 - M=4 (1,2) runlength limited code for multi-level data (1997-10-28),

13. 5680128 - M=6(3,8) runlength limited code for multi-level data (1997-10-21),

14. 5675330 - M=5(4,11)runlength limited code for multi-level data (1997-10-07),

15. 5670956 - M=5 (3,7) runlength limited code for multi-level data (1997-09-23),

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 - Nov 3 2026

25 Patents

#29 in Rockville, MD

#175 in Maryland

#13,376 in US

#25,729 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)

Hiroyuki Ohba (2 out of 7 patents)

4. William R Ziegler (2 out of 3 patents)

5. Allen M Earman (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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