P

Inventor

TA THANH T

US12 patents
⚠️ This page may combine multiple inventors who share the name “TA THANH T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONTENTGUARD HOLDINGS INC

11 patents
US6976009B2Dec 13, 2005

Method and apparatus for assigning consequential rights to documents and documents having such rights

CONTENTGUARD HOLDINGS INC101 citations98
US6895503B2May 17, 2005

Method and apparatus for hierarchical assignment of rights to documents and documents having such rights

CONTENTGUARD HOLDINGS INC90 citations98
US6876984B2Apr 5, 2005

Method and apparatus for establishing usage rights for digital content to be created in the future

CONTENTGUARD HOLDINGS INC84 citations98
US6519700B1Feb 11, 2003

Self-protecting documents

CONTENTGUARD HOLDINGS INC167 citations98
US7222104B2May 22, 2007

Method and apparatus for transferring usage rights and digital work having transferrable usage rights

CONTENTGUARD HOLDINGS INC58 citations96
US6859533B1Feb 22, 2005

System and method for transferring the right to decode messages in a symmetric encoding scheme

CONTENTGUARD HOLDINGS INC59 citations96
US7068787B1Jun 27, 2006

System and method for protection of digital works

CONTENTGUARD HOLDINGS INC100 citations95
US7162633B2Jan 9, 2007

Method and apparatus for hierarchical assignment of rights to documents and documents having such rights

CONTENTGUARD HOLDINGS INC25 citations92
US6973445B2Dec 6, 2005

Demarcated digital content and method for creating and processing demarcated digital works

CONTENTGUARD HOLDINGS INC47 citations92
US6763464B2Jul 13, 2004

Self-protecting documents

CONTENTGUARD HOLDINGS INC40 citations92
US6754642B2Jun 22, 2004

Method and apparatus for dynamically assigning usage rights to digital works

CONTENTGUARD HOLDINGS INC45 citations92

WANG XIN

1 patent