Thanh Ta
42Patents
18h-index
28Co-inventors
77Inventor score
Filing activity: Oct 23, 1998 → Nov 14, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6931545B1 | Systems and methods for integrity certification and verification of content consumption environments | Electricity | 107 | Expired |
| US6519700B1 | Self-protecting documents | Physics | 99 | Expired |
| US7068787B1 | System and method for protection of digital works | Electricity | 67 | Expired |
| US6976009B2 | Method and apparatus for assigning consequential rights to documents and documents having such rights | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6895503B2 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Physics | 50 | Expired |
| US6876984B2 | Method and apparatus for establishing usage rights for digital content to be created in the future | Electricity | 45 | Expired |
| US6859533B1 | System and method for transferring the right to decode messages in a symmetric encoding scheme | Electricity | 36 | Expired |
| US7206941B2 | Method and apparatus for validating security components through a request for content | Electricity | 35 | Expired |
| US7720767B2 | Method and system to support dynamic rights and resources sharing | Physics | 32 | Active |
| US7222104B2 | Method and apparatus for transferring usage rights and digital work having transferrable usage rights | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6973445B2 | Demarcated digital content and method for creating and processing demarcated digital works | Physics | 27 | Expired |
| US7412605B2 | Method and apparatus for variable encryption of data | Electricity | 26 | Expired |
| US6763464B2 | Self-protecting documents | Physics | 23 | Expired |
| US7269735B2 | Instance specific digital watermarks | Electricity | 23 | Expired |
| US7299171B2 | Method and system for processing grammar-based legality expressions | Physics | 22 | Expired |
| US6963858B2 | Method and apparatus for assigning consequential rights to documents and documents having such rights | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7237125B2 | Method and apparatus for automatically deploying security components in a content distribution system | Electricity | 20 | Expired |
| US6754642B2 | Method and apparatus for dynamically assigning usage rights to digital works | Physics | 18 | Expired |
| US7152046B2 | Method and apparatus for tracking status of resource in a system for managing use of the resources | Emerging Cross-Sectional Technologies | 17 | Expired |
| US8275709B2 | Digital rights management of content when content is a future live event | Electricity | 17 | Active |
| US7853531B2 | Method and apparatus for supporting multiple trust zones in a digital rights management system | Physics | 16 | Active |
| US7743259B2 | System and method for digital rights management using a standard rendering engine | Electricity | 14 | Expired |
| US7162633B2 | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights | Physics | 14 | Expired |
| US7774280B2 | System and method for managing transfer of rights using shared state variables | Electricity | 10 | Active |
| US7725401B2 | Method and apparatus for establishing usage rights for digital content to be created in the future | Electricity | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.