Nin; Sigfredo Ismael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nin; Sigfredo Ismael.The latest application filed is for "rebinding of content title keys in clusters of devices with distinct security levels".
- Nin; Sigfredo Ismael - Morgan Hill CA US
| Patent | Date |
|---|---|
| Renewable traitor tracing Grant 9,520,993 - Jin , et al. December 13, 2 | 2016-12-13 |
| Recording keys in a broadcast-encryption-based system Grant 8,571,209 - Bellwood , et al. October 29, 2 | 2013-10-29 |
| Rebinding of content title keys in clusters of devices with distinct security levels Grant 8,391,481 - Deen , et al. March 5, 2 | 2013-03-05 |
| Rebinding Of Content Title Keys In Clusters Of Devices With Distinct Security Levels App 20110158404 - Deen; Robert Glenn ; et al. | 2011-06-30 |
| Recording Keys In A Broadcast-encryption-based System App 20100183148 - Bellwood; Thomas Alexander ; et al. | 2010-07-22 |
| Method for ensuring content protection and subscription compliance Grant 7,523,307 - Lotspiech , et al. April 21, 2 | 2009-04-21 |
| Renewable traitor tracing App 20070067244 - Jin; Hongxia ; et al. | 2007-03-22 |
| Method for assigning encryption keys Grant 6,888,944 - Lotspiech , et al. May 3, 2 | 2005-05-03 |
| Coincidence-free media key block for content protection for recordable media Grant 6,883,097 - Lotspiech , et al. April 19, 2 | 2005-04-19 |
| Method for ensuring privacy in electronic transactions with session key blocks App 20040128259 - Blakeley, Douglas Burnette ; et al. | 2004-07-01 |
| Method for assigning encryption keys App 20020106087 - Lotspiech, Jeffrey Bruce ; et al. | 2002-08-08 |
| Method for ensuring content protection and subscription compliance App 20020104001 - Lotspiech, Jeffrey Bruce ; et al. | 2002-08-01 |
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