Xiaofan Cao

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-adjusting optical add-drop multiplexer and optical networks us...
- Patent number 7,016,610
- Issue date Mar 21, 2006
- Avanex Corporation
- Guohua Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for multi-pass photonic processors with circul...
- Patent number 6,728,440
- Issue date Apr 27, 2004
- Avanex Corporation
- Shudong Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Self-adjusting optical add-drop multiplexer and optical networks us...
- Patent number 6,721,509
- Issue date Apr 13, 2004
- Avanex Corporation
- Guohua Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical amplifier
- Patent number 6,490,386
- Issue date Dec 3, 2002
- Xiaofan Cao
- G02 - OPTICS
Information Patent Grant
Reconfigurable automatic gain control and method for optical amplifier
- Patent number 6,417,964
- Issue date Jul 9, 2002
- Avamex Corporation
- Lintao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Self-adjusting optical add-drop multiplexer and optical networks us...
- Publication number 20040175179
- Publication date Sep 9, 2004
- Guohua Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Self-adjusting optical add-drop multiplexer and optical networks us...
- Publication number 20020101636
- Publication date Aug 1, 2002
- Guohua Xiao
- G02 - OPTICS