Inventor

TIEU VINCENT

US2 patents

Patents

2 patents

US7085741B2Aug 1, 2006

Method and apparatus for managing digital content usage rights

CONTENTGUARD HOLDINGS INC141 citations94

US7840488B2Nov 23, 2010

System and method for granting access to an item or permission to use an item based on configurable conditions

CONTENTGUARD HOLDINGS INC3 citations60