Edward K. Sun

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Morganville, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Concept of zero-dense wave division multiplex disaster recovery pro...
- Patent number 7,925,915
- Issue date Apr 12, 2011
- AT&T Intellectual Property II, L.P.
- Richard L Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Concept of zero network element mirroring and disaster restoration...
- Patent number 7,373,544
- Issue date May 13, 2008
- AT&T Corporation
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Concept of zero network element mirroring and disaster restoration...
- Patent number 7,058,847
- Issue date Jun 6, 2006
- AT&T Corporation
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Concept of zero-dense wave division multiplex disaster recovery pro...
- Publication number 20060149991
- Publication date Jul 6, 2006
- AT&T Corporation
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Concept of zero network element mirroring and disaster restoration...
- Publication number 20060090096
- Publication date Apr 27, 2006
- AT&T Corporation
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Concept of zero -dense wave division multiplex disaster recovery pr...
- Publication number 20040153698
- Publication date Aug 5, 2004
- AT&T Corporation
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE