For the Inventor, By the Inventor

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Philadelphia, PA, United States of America

Combined Conditional Access Development and Support, LLC

USPTO Granted Patents = 19

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 21

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14 inventors (with patents filed for the assignee):

Lawrence W Tang (14 out of 25 patents)

Douglas M Petty (6 out of 13 patents)

Kenneth P Miller (6 out of 8 patents)

4. Madhu Penugonda (5 out of 5 patents)

5. Christopher John Bennett (3 out of 23 patents)

6. Michael T Habrat (2 out of 4 patents)

7. An Tonthat (1 out of 4 patents)

8. Alexander Medvinsky (1 out of 119 patents)

9. Eric Eugene Berry (1 out of 3 patents)

10. John Edward Rudy (1 out of 1 patent)

11. Michael W Johnson (1 out of 3 patents)

12. Jon L Pang (1 out of 1 patent)

13. Eileen Bengston (1 out of 1 patent)

14. Patrick Charles Murray (1 out of 2 patents)

15. Eric E Berry (0 patent)

19 patents: Sort by Forward Citations

1. 11750576 - Initialization encryption for streaming content (2023-09-05),

2. 11671279 - Determining a session key using session data (2023-06-06),

3. 11552786 - System and method for authenticating data while minimizing bandwidth (2023-01-10),

4. 11550928 - Distributed ledger-based digital content tracing (2023-01-10),

5. 11418364 - Determining a session key using session data (2022-08-16),

6. 11115201 - Downloading of data to secure devices (2021-09-07),

7. 11108743 - Initialization encryption for streaming content (2021-08-31),

8. 10944579 - Device pairing and authentication (2021-03-09),

9. 10797864 - System and method for authenticating data while minimizing bandwidth (2020-10-06),

10. 10375030 - Initialization encryption for streaming content (2019-08-06),

11. 9930390 - Control word and associated entitlement control message caching and reuse (2018-03-27),

12. 9569390 - Protocol for communication (2017-02-14),

13. 9553725 - System and method for authenticating data (2017-01-24),

14. 9531778 - Message rate mixing for bandwidth management (2016-12-27),

15. 9485088 - Systems and methods for dynamic data masking (2016-11-01),

Combined Conditional Access Development And Support, LLC (CCADAS) is a technology company specializing in providing advanced conditional access solutions for digital content protection. With a team of experienced professionals, CCADAS offers innovative software development and comprehensive support services for clients in the entertainment, broadcasting, and telecommunications industries. Their expertise includes developing secure access management systems, digital rights management (DRM) solutions, and content encryption technologies. CCADAS strives to ensure secure and seamless digital content delivery while protecting intellectual property rights.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

19 Patents

#58 in Philadelphia, PA

#620 in Pennsylvania

#16,593 in US

#31,684 in the World

Philadelphia, PA, United States of America

Combined Conditional Access Development and Support, LLC

Forward Citations = 21

14 inventors:

Lawrence W Tang (14 out of 25 patents)

Douglas M Petty (6 out of 13 patents)

Kenneth P Miller (6 out of 8 patents)

4. Madhu Penugonda (5 out of 5 patents)

5. Christopher John Bennett (3 out of 23 patents)

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