Issued Patents All Time
Showing 26–50 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8122501 | Traitor detection for multilevel assignment | Hongxia Jin, Avinash L. Varna | 2012-02-21 |
| 8121952 | System, method, and service for delivering multimedia content by means of a permission to decrypt titles on a physical media | Bradley Collar, Florian Pestoni, Michael Ripley, Spencer Stephens | 2012-02-21 |
| 8108928 | Adaptive traitor tracing | Hongxia Jin, Nimrod Megiddo, Michael Joseph Nelson | 2012-01-31 |
| 8090105 | Broadcast encryption with dual tree sizes | — | 2012-01-03 |
| 8051492 | System and method for tracing tardos fingerprint codes | — | 2011-11-01 |
| 8023693 | System and method for solving the “birthday problem” with watermarking | Thomas A. Bellwood, James M. Gasiewski, Donald E. Leake, Jr. | 2011-09-20 |
| 7996685 | Method for effective tamper resistance | Hongxia Jin, Ginger M. Myles | 2011-08-09 |
| 7986787 | System, method, and service for tracing traitors from content protection circumvention devices | Hongxia Jin, Philip Anastasios Zigoris | 2011-07-26 |
| 7975313 | System and method for tracing Tardos fingerprint codes | — | 2011-07-05 |
| 7971070 | Read/write media key block | Scott F. Watson | 2011-06-28 |
| 7925025 | Method for broadcast encryption and key revocation of stateless receivers | Dalit Naor, Simeon Naor | 2011-04-12 |
| 7885427 | System and method for solving the “birthday” problem with watermarking | Thomas A. Bellwood, James M. Gasiewski, Donald E. Leake, Jr. | 2011-02-08 |
| 7881476 | Delivering enhanced multimedia content on physical media | Florian Pesoni | 2011-02-01 |
| 7876895 | System, method, and service for performing unified broadcast encryption and traitor tracing for digital content | Hongxia Jin | 2011-01-25 |
| 7831043 | System and method for cryptographically authenticating data items | — | 2010-11-09 |
| 7770030 | Content guard system for copy protection of recordable media | Alan E. Bell, Chandler Brendan Stanton Traw | 2010-08-03 |
| 7747877 | Tamper-resistant trusted Java virtual machine and method of using the same | Hongxia Jin, Donald E. Leake, Jr., Sigfredo I. Nin, Wilfred E. Plouffe, Jr. | 2010-06-29 |
| 7734921 | System and method for guaranteeing software integrity via combined hardware and software authentication | — | 2010-06-08 |
| 7725945 | Discouraging unauthorized redistribution of protected content by cryptographically binding the content to individual authorized recipients | Michael Ripley | 2010-05-25 |
| 7721098 | System and method for guaranteeing software integrity via combined hardware and software authentication | — | 2010-05-18 |
| 7711114 | System and method for assigning sequence keys to a media player to enable flexible traitor tracing | Hongxia Jin | 2010-05-04 |
| 7707429 | System and method to proactively detect software tampering | Hongxia Jin | 2010-04-27 |
| 7698551 | Method for broadcast encryption and key revocation of stateless receivers | Dalit Naor, Simeon Naor | 2010-04-13 |
| 7685636 | System, service, and method for enabling authorized use of distributed content on a protected media | Donald E. Leake, Jr., Stefan Nusser | 2010-03-23 |
| 7630497 | System and method for assigning sequence keys to a media player to enable hybrid traitor tracing | Hongxia Jin | 2009-12-08 |