Donggen Zhang

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for authentication of a communication device
- Patent number 8,898,455
- Issue date Nov 25, 2014
- AT&T Intellectual Property I, L.P.
- Nam Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of managing video content quality
- Patent number 8,839,325
- Issue date Sep 16, 2014
- AT&T Intellectual Property I, L.P.
- Zhi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for registration of communication devices
- Patent number 8,630,236
- Issue date Jan 14, 2014
- AT&T Intellectual Property I, L.P.
- Xidong Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for authentication of a communication device
- Patent number 8,478,988
- Issue date Jul 2, 2013
- AT&T Intellectual Property I, L.P.
- Nam Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network monitoring by customer premises equipment
- Patent number 7,983,179
- Issue date Jul 19, 2011
- AT&T Intellectual Property I, L.P.
- Baofeng Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for end-to-end mobile user security
- Patent number 7,983,656
- Issue date Jul 19, 2011
- AT&T Intellectual Property I, L.P.
- Nam Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for registration of communication devices
- Patent number 7,953,036
- Issue date May 31, 2011
- AT&T Intellectual Property I, L.P.
- Xidong Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR AUTHENTICATION OF A COMMUNICATION DEVICE
- Publication number 20130262859
- Publication date Oct 3, 2013
- Nam Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR REGISTRATION OF COMMUNICATION DEVICES
- Publication number 20110194496
- Publication date Aug 11, 2011
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Xidong Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR END-TO-END MOBILE USER SECURITY
- Publication number 20090068985
- Publication date Mar 12, 2009
- AT&T KNOWLEDGE VENTURES, L.P.
- NAM NGUYEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK MONITORING BY CUSTOMER PREMISES EQUIPMENT
- Publication number 20090028170
- Publication date Jan 29, 2009
- Baofeng Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR REGISTRATION OF COMMUNICATION DEVICES
- Publication number 20090029700
- Publication date Jan 29, 2009
- AT&T KNOWLEDGE VENTURES, L.P.
- XIDONG WU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS TO CHARACTERIZE A DIGITAL SUBSCRIBER LINE (DS...
- Publication number 20080292064
- Publication date Nov 27, 2008
- Xidong Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR AUTHENTICATION OF A COMMUNICATION DEVICE
- Publication number 20080288773
- Publication date Nov 20, 2008
- AT&T KNOWLEDGE VENTURES, L.P.
- Nam Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of managing video content quality
- Publication number 20080192119
- Publication date Aug 14, 2008
- AT&T KNOWLEDGE VENTURES, L.P.
- Zhi Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and apparatus to develop management rules for qualifying br...
- Publication number 20080080389
- Publication date Apr 3, 2008
- Richard D. Hart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Load balancing based on free space of visitor location register
- Publication number 20080009284
- Publication date Jan 10, 2008
- SBC Knowledge Ventures, L.P.
- Haibo Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Donggen Zhang

Person

Patents Grantslast 30 patents

System and method for authentication of a communication device

System and method of managing video content quality

System for registration of communication devices

System and method for authentication of a communication device

Network monitoring by customer premises equipment

Method and apparatus for end-to-end mobile user security

System for registration of communication devices

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR AUTHENTICATION OF A COMMUNICATION DEVICE

SYSTEM FOR REGISTRATION OF COMMUNICATION DEVICES

METHOD AND APPARATUS FOR END-TO-END MOBILE USER SECURITY

NETWORK MONITORING BY CUSTOMER PREMISES EQUIPMENT

SYSTEM FOR REGISTRATION OF COMMUNICATION DEVICES

METHODS AND APPARATUS TO CHARACTERIZE A DIGITAL SUBSCRIBER LINE (DS...

SYSTEM AND METHOD FOR AUTHENTICATION OF A COMMUNICATION DEVICE

System and method of managing video content quality

Methods and apparatus to develop management rules for qualifying br...

Load balancing based on free space of visitor location register