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Duc V. Tran
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Westminster, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for creating, manipulating and processing right...
Patent number
9,898,715
Issue date
Feb 20, 2018
ContentGuart Holdings, Inc.
Edgardo Valenzuela
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extensible rights expression processing system
Patent number
7,974,923
Issue date
Jul 5, 2011
Contentguard Holdings, Inc.
Joseph Zhung Yee Fung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Systems and methods for creating, manipulating and processing right...
Patent number
7,558,759
Issue date
Jul 7, 2009
Contentguard Holdings, Inc.
Edgardo Valenzuela
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rights expression system
Patent number
7,177,843
Issue date
Feb 13, 2007
Contentguard Holdings, Inc.
Mai Nguyen
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR PERFORMING AN AUTOMATED SET TOP BOX TEST
Publication number
20120162440
Publication date
Jun 28, 2012
The DIRECTV Group, Inc.
Leo Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EXTENSIBLE RIGHTS EXPRESSION PROCESSING SYSTEM
Publication number
20110209223
Publication date
Aug 25, 2011
CONTENTGUARD HOLDINGS, INC.
Joseph Zhung Yee FUNG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEMS AND METHODS FOR CREATING, MANIPULATING AND PROCESSING RIGHT...
Publication number
20090241199
Publication date
Sep 24, 2009
CONTENTGUART HOLDINGS, INC.
Edgardo VALENZUELA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Systems and methods for integrity certification and verification
Publication number
20050262086
Publication date
Nov 24, 2005
Content Guard Holdings, Inc.
Thanh Ta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Systems and methods for creating, manipulating and processing right...
Publication number
20030182142
Publication date
Sep 25, 2003
CONTENTGUARD HOLDINGS, INC.
Edgardo Valenzuela
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Extensible rights expression processing system
Publication number
20030144869
Publication date
Jul 31, 2003
CONTENTGUARD HOLDINGS, INC.
Joseph Zhung Yee Fung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Rights expression system
Publication number
20030125976
Publication date
Jul 3, 2003
CONTENTGUARD HOLDINGS, INC.
Mai Nguyen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for managing access and use of resources by verifying condit...
Publication number
20030009424
Publication date
Jan 9, 2003
CONTENTGUARD HOLDINGS, INC.
Thanh Ta
G06 - COMPUTING CALCULATING COUNTING