Inventor · disambiguated record
Joseph Z. Fung
Also filed as: FUNG JOSEPH · FUNG JOSEPH Z · FUNG JOSEPH ZHUNG Y · FUNG JOSEPH ZHUNG YEE
11 granted patents·7 pending applications·531 citations·filing 1997–2024
91Inventor score
Files withCONTENTGUARD HOLDINGS INC10AT & T IP I LP2XEROX CORP2CONTENT GUARD HOLDINGS INC1FUJI XEROX CO LTD1
Top patents by PatentIndex Score
18 records- 0191US5978560ALoad balancing of distributed printing systems using enhanced printer attributesXEROX CORP·Filed 1997·Granted Nov 2, 1999·229 cites·18 claims
- 0284US7558759B2Systems and methods for creating, manipulating and processing rights and contract expressions using tokenized templatesCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Jul 7, 2009·32 cites·32 claims
- 0379US7177843B2Rights expression systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Feb 13, 2007·47 cites·42 claims
- 0478US6310692B1Dynamic, preventive, centralized printer resource management system and methodKUJI XEROX CO LTD·Filed 1998·Granted Oct 30, 2001·109 cites·13 claims
- 0571US7853531B2Method and apparatus for supporting multiple trust zones in a digital rights management systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Dec 14, 2010·17 cites·39 claims
- 0670US7840488B2System and method for granting access to an item or permission to use an item based on configurable conditionsCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Nov 23, 2010·3 cites·37 claims
- 0768US6301011B1Dynamic plug and play interface for output deviceXEROX CORP·Filed 1997·Granted Oct 9, 2001·60 cites·16 claims
- 0866US2024430507A1Secure content delivery to multiple client devices via a local serverAT & T IP I LP·Filed 2024·Application pending·0 cites
- 0958US9898715B2Systems and methods for creating, manipulating and processing rights and contract expressions using tokenized templatesVALENZUELA EDGARDO·Filed 2009·Granted Feb 20, 2018·0 cites·46 claims
- 1056US2003009424A1Method for managing access and use of resources by verifying conditions and conditions for use therewithCONTENTGUARD HOLDINGS INC·Filed 2002·Application pending·0 cites
- 1155US12132948B2Secure content delivery to multiple client devices via a local serverAT & T IP I LP·Filed 2021·Granted Oct 29, 2024·0 cites·20 claims
- 1255US6175839B1Filter interface for managing printer system informationFUJI XEROX CO LTD·Filed 1997·Granted Jan 16, 2001·34 cites·18 claims
- 1355US2011035810A1System and method for granting acces to an item or permission to use an item based on configurable conditionsCONTENTGUARD HOLDINGS INC·Filed 2010·Application pending·0 cites
- 1454US2007078777A1System and method for digital rights management using advanced copy with issue rights, and managed copy tokensCONTENTGUARD HOLDINGS INC·Filed 2006·Application pending·0 cites
- 1553US2014304177A1System and method for digital rights management using advanced copy with issue rights, and managed copy tokensCONTENTGUARD HOLDINGS INC·Filed 2014·Application pending·0 cites
- 1645US2005262086A1Systems and methods for integrity certification and verificationCONTENT GUARD HOLDINGS INC·Filed 2005·Application pending·0 cites
- 1744US2011209223A1Extensible rights expression processing systemCONTENTGUARD HOLDINGS INC·Filed 2011·Application pending·0 cites
- 1841US7974923B2Extensible rights expression processing systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Jul 5, 2011·0 cites·47 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →