Yangling Zhang

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Batavia, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Computer telephony using a circuit-switched network
- Patent number 8,331,357
- Issue date Dec 11, 2012
- Alcatel Lucent
- Yangling Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for swapping telephone numbers between switchi...
- Patent number 6,735,296
- Issue date May 11, 2004
- Lucent Technologies Inc.
- Kennard Ray Buck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BYPASSING EXTERNAL PACKET DATA NETWORKS IN MOBILE-TO-MOBILE COMMUNI...
- Publication number 20180070283
- Publication date Mar 8, 2018
- Yangling Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computer telephony using a circuit-switched network
- Publication number 20060209811
- Publication date Sep 21, 2006
- Yangling Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for swapping telephone numbers between switchi...
- Publication number 20020159579
- Publication date Oct 31, 2002
- Kennard Ray Buck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE