Xinzhong Leon Xu

Follow

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Interactive voice response systems with general-purpose blocks
- Patent number 7,031,440
- Issue date Apr 18, 2006
- Ssimens Communications Inc.
- Xinzhong Leon Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
SIP-H.323 gateway implementation to integrate SIP agents into the H...
- Patent number 6,738,390
- Issue date May 18, 2004
- Siemens Information and Communication Networks, Inc.
- Xinzhong Leon Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE