Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7359884 | Method and apparatus for processing usage rights expressions | Thanh Ta, Guillermo Lao, Xin Wang, Charles Gilliam, Manuel Ham +1 more | 2008-04-15 |
| 7269735 | Instance specific digital watermarks | Daniel Chen, Hsi-Cheng Wu, Thanh Ta | 2007-09-11 |
| 7237125 | Method and apparatus for automatically deploying security components in a content distribution system | Daniel Chen, Hsi-Cheng Wu, Thanh Ta | 2007-06-26 |
| 7222104 | Method and apparatus for transferring usage rights and digital work having transferrable usage rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Guillermo Lao, Thanh Ta +1 more | 2007-05-22 |
| 7206941 | Method and apparatus for validating security components through a request for content | Daniel Chen, Hsi-Cheng Wu, Thanh Ta | 2007-04-17 |
| 7162633 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Xin Wang, Aram Nahidipour, Guillermo Lao, Thanh Ta, 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 |
| 7073199 | Document distribution management method and apparatus using a standard rendering engine and a method and apparatus for controlling a standard rendering engine | — | 2006-07-04 |
| 7028009 | Method and apparatus for distributing enforceable property rights | Xin Wang, Bijan Tadayon, Thomas DeMartini, Guillermo Lao, Eddie Chen +1 more | 2006-04-11 |
| 6976009 | Method and apparatus for assigning consequential rights to documents and documents having such rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Guillermo Lao, Thanh Ta +1 more | 2005-12-13 |
| 6973445 | Demarcated digital content and method for creating and processing demarcated digital works | Bijan Tadayon, Aram Nahidipour, Xin Wang, Guillermo Lao, Thanh Ta | 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 |
| 6954738 | Method and apparatus for distributing enforceable property rights | Xin Wang, Bijan Tadayon, Thomas DeMartini, Guillermo Lao, Eddie Chen +1 more | 2005-10-11 |
| 6895503 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Bijan Tadayon, Aram Nahidipour, Xin Wang, Guillermo Lao, Thanh Ta | 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, Guillermo Lao, Thanh Ta | 2005-04-05 |
| 6754642 | Method and apparatus for dynamically assigning usage rights to digital works | Bijan Tadayon, Aram Nahidipour, Xin Wang, Guillermo Lao, Thanh Ta +1 more | 2004-06-22 |