Chao Xiang Shi

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fully protected broadcast and select all optical network
- Patent number 7,499,647
- Issue date Mar 3, 2009
- OpVista Incorporated
- Winston Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Fully protected broadcast and select all optical network
- Publication number 20060275034
- Publication date Dec 7, 2006
- Winston Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Architecture for metropolitan dense wavelength division multiplex n...
- Publication number 20040109686
- Publication date Jun 10, 2004
- Chao Xiang Shi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fully protected broadcast and select all optical network
- Publication number 20030180047
- Publication date Sep 25, 2003
- Winston Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE