For the Inventor, By the Inventor

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New York, NY, United States of America

Certco, Inc.

USPTO Granted Patents = 24

Forward Citations = 3,479

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21 inventors (with patents filed for the assignee):

Marcel Mordechay Yung (10 out of 56 patents)

Frank Wells Sudia (10 out of 12 patents)

Yair Frankel (8 out of 35 patents)

4. David William Kravitz (7 out of 8 patents)

5. Charles Thomas Montgomery (7 out of 7 patents)

6. Richard Ankney (4 out of 4 patents)

7. Peter C Freund (3 out of 14 patents)

8. Alan Asay (3 out of 3 patents)

9. Ernest F Brickell (3 out of 5 patents)

10. Frank W Sudia (3 out of 3 patents)

11. Paul Alexandre Turner (2 out of 4 patents)

12. Stuart T F Huang (1 out of 2 patents)

13. Brian Siritzky (1 out of 1 patent)

14. Stuart Stubblebine (1 out of 1 patent)

15. Allen Claxton (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 8321348 - Computer-based method and system for aiding transactions (2012-11-27),

2. 8121949 - Computer-based method and system for aiding transactions (2012-02-21),

3. 8032743 - Reliance server for electronic transaction system (2011-10-04),

4. 7904722 - Method for securely using digital signatures in a commercial cryptographic system (2011-03-08),

5. 7610614 - Cryptographic control and maintenance of organizational structure and functions (2009-10-27),

6. 7343346 - Computer-based method and system for aiding transactions (2008-03-11),

7. 7184988 - Methods for operating infrastructure and applications for cryptographically-supported services (2007-02-27),

8. 7177839 - Reliance manager for electronic transaction system (2007-02-13),

9. 6411716 - Method of changing key fragments in a multi-step digital signature system (2002-06-25),

10. 6353812 - Computer-based method and system for aiding transactions (2002-03-05),

11. 6237097 - Robust efficient distributed RSA-key generation (2001-05-22),

12. 6209091 - Multi-step digital signature method and system (2001-03-27),

13. 6035041 - Optimal-resilience, proactive, public-key cryptographic system and method (2000-03-07),

14. 6029150 - Payment and transactions in electronic commerce system (2000-02-22),

15. 6009177 - Enhanced cryptographic system and method with key escrow feature (1999-12-28),

Certco, Inc. is a leading provider of industrial certification services. With expertise in quality management systems, health and safety, and environmental standards, we help organizations achieve compliance and improve their overall performance. Our team of highly skilled auditors and consultants work closely with clients to develop customized solutions that meet their specific needs. Visit our website to learn more about our comprehensive range of certification services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

24 Patents

#308 in New York, NY

#748 in New York

#13,406 in US

#25,835 in the World

New York, NY, United States of America

Certco, Inc.

Forward Citations = 3,479

21 inventors:

Marcel Mordechay Yung (10 out of 56 patents)

Frank Wells Sudia (10 out of 12 patents)

Yair Frankel (8 out of 35 patents)

4. David William Kravitz (7 out of 8 patents)

5. Charles Thomas Montgomery (7 out of 7 patents)

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