Inventor

FUNG JOSEPH ZHUNG YEE

US5 patents

⚠️ This page may combine multiple inventors who share the name “FUNG JOSEPH ZHUNG YEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONTENTGUARD HOLDINGS INC

4 patents

US7177843B2Feb 13, 2007

Rights expression system

CONTENTGUARD HOLDINGS INC47 citations91

US7558759B2Jul 7, 2009

Systems and methods for creating, manipulating and processing rights and contract expressions using tokenized templates

CONTENTGUARD HOLDINGS INC32 citations90

US7853531B2Dec 14, 2010

Method and apparatus for supporting multiple trust zones in a digital rights management system

CONTENTGUARD HOLDINGS INC17 citations83

US7974923B2Jul 5, 2011

Extensible rights expression processing system

CONTENTGUARD HOLDINGS INC0 citations48

VALENZUELA EDGARDO

1 patent

US9898715B2Feb 20, 2018

Systems and methods for creating, manipulating and processing rights and contract expressions using tokenized templates

VALENZUELA EDGARDO0 citations43