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Patent applications and USPTO patent grants for Pearson; Peter Kelley.The latest application filed is for "reprogrammable security for controlling piracy and enabling interactive content using revocation status".
Patent | Date |
---|---|
Reprogrammable security for controlling piracy and enabling interactive content using revocation status Grant 8,131,646 - Kocher , et al. March 6, 2 | 2012-03-06 |
Self-protecting digital content Grant 7,996,913 - Kocher , et al. August 9, 2 | 2011-08-09 |
Self-protecting digital content Grant 7,984,511 - Kocher , et al. July 19, 2 | 2011-07-19 |
Content security layer providing long-term renewable security Grant 7,778,420 - Kocher , et al. August 17, 2 | 2010-08-17 |
Content security layer providing long-term renewable security Grant 7,760,876 - Kocher , et al. July 20, 2 | 2010-07-20 |
Interpreter using cryptographic values of a playback device's keys to authorize the playback device Grant 7,756,272 - Kocher , et al. July 13, 2 | 2010-07-13 |
Identification and security using biometric measurements Grant 5,991,408 - Pearson , et al. November 23, 1 | 1999-11-23 |
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