Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7269735 | Instance specific digital watermarks | Michael Raley, Daniel Chen, Hsi-Cheng Wu | 2007-09-11 |
| 7237125 | Method and apparatus for automatically deploying security components in a content distribution system | Michael Raley, Daniel Chen, Hsi-Cheng Wu | 2007-06-26 |
| 7222104 | Method and apparatus for transferring usage rights and digital work having transferrable usage rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao +1 more | 2007-05-22 |
| 7206941 | Method and apparatus for validating security components through a request for content | Michael Raley, Daniel Chen, Hsi-Cheng Wu | 2007-04-17 |
| 7162633 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Xin Wang, Aram Nahidipour, Michael Raley, Guillermo Lao, Bijan Tadayon | 2007-01-09 |
| 7152046 | Method and apparatus for tracking status of resource in a system for managing use of the resources | Xin Wang, Thomas DeMartini, Eddie Chen, Charles Gilliam, Manuel Ham +3 more | 2006-12-19 |
| 7068787 | System and method for protection of digital works | Prasad Ram, Robert Schuler, Arun Ramanujapuram, Guillermo Lao, Xin Wang | 2006-06-27 |
| 6976009 | Method and apparatus for assigning consequential rights to documents and documents having such rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao +1 more | 2005-12-13 |
| 6973445 | Demarcated digital content and method for creating and processing demarcated digital works | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao | 2005-12-06 |
| 6963858 | Method and apparatus for assigning consequential rights to documents and documents having such rights | Xin Wang, Eddie Chen, Thomas DeMartini, Charles Gilliam, Guillermo Lao +3 more | 2005-11-08 |
| 6931545 | Systems and methods for integrity certification and verification of content consumption environments | Xin Wang | 2005-08-16 |
| 6895503 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao | 2005-05-17 |
| 6876984 | Method and apparatus for establishing usage rights for digital content to be created in the future | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao | 2005-04-05 |
| 6859533 | System and method for transferring the right to decode messages in a symmetric encoding scheme | Xin Wang | 2005-02-22 |
| 6763464 | Self-protecting documents | Xin Wang, Prasad Ram | 2004-07-13 |
| 6754642 | Method and apparatus for dynamically assigning usage rights to digital works | Bijan Tadayon, Aram Nahidipour, Xin Wang, Michael Raley, Guillermo Lao +1 more | 2004-06-22 |
| 6519700 | Self-protecting documents | Prasad Ram, Xin Wang | 2003-02-11 |