Zhidan Cheng

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method of protecting an IGMP proxy
- Patent number 7,522,598
- Issue date Apr 21, 2009
- Tellabs Petaluma, Inc.
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault-tolerant multicasting network
- Patent number 7,486,612
- Issue date Feb 3, 2009
- Tellabs Petaluma, Inc.
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of operating the system that responds to channel...
- Patent number 7,274,712
- Issue date Sep 25, 2007
- Tellabs Petaluma, Inc.
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VPN tunnel redirection
- Patent number 6,704,282
- Issue date Mar 9, 2004
- 3COM Corporation
- Joseph Tsyr-Shya Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method of operating a video-on-demand system that prevents congestion
- Publication number 20060206600
- Publication date Sep 14, 2006
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system of insuring that a user receives a multicast tele...
- Publication number 20060153088
- Publication date Jul 13, 2006
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of protecting an IGMP proxy
- Publication number 20060153219
- Publication date Jul 13, 2006
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of sharing video head ends
- Publication number 20060126626
- Publication date Jun 15, 2006
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Virtual IP interface
- Publication number 20060072601
- Publication date Apr 6, 2006
- Zhidan Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of operating the system that prevents multiple ch...
- Publication number 20050125420
- Publication date Jun 9, 2005
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of operating the system that responds to channel...
- Publication number 20040218543
- Publication date Nov 4, 2004
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fault-tolerant multicasting network
- Publication number 20040111606
- Publication date Jun 10, 2004
- Allen Tsz-Chiu Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Zhidan Cheng

Person

Patents Grantslast 30 patents

System and method of protecting an IGMP proxy

Fault-tolerant multicasting network

System and method of operating the system that responds to channel...

VPN tunnel redirection

Patents Applicationslast 30 patents

Method of operating a video-on-demand system that prevents congestion

Method and system of insuring that a user receives a multicast tele...

System and method of protecting an IGMP proxy

System and method of sharing video head ends

Virtual IP interface

System and method of operating the system that prevents multiple ch...

System and method of operating the system that responds to channel...

Fault-tolerant multicasting network