Chongchang Mao

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable optical attenuator using crystal wedges
- Patent number 7,034,979
- Issue date Apr 25, 2006
- EZConn Corporation
- Wei Feng
- G02 - OPTICS
Information Patent Grant
Optical equalization with beam counter-propagation
- Patent number 7,023,611
- Issue date Apr 4, 2006
- Ezconn Corporation
- Tizhi Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal based optical signal processing
- Patent number 6,972,826
- Issue date Dec 6, 2005
- EC-Optics Technology Inc.
- Ming Xu
- G02 - OPTICS
Information Patent Grant
Optical routing switch using symmetric liquid crystal cells
- Patent number 6,519,022
- Issue date Feb 11, 2003
- Chorum Technologies LP
- Ming Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic gain equalizer for optical amplifiers
- Patent number 6,429,962
- Issue date Aug 6, 2002
- Chorum Technologies LP
- Ming Xu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical equalization with beam counter-propagation
- Publication number 20030021011
- Publication date Jan 30, 2003
- Chorum Technologies LP
- Tizhi Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DYNAMIC GAIN EQUALIZER FOR OPTICAL AMPLIFIERS
- Publication number 20020093725
- Publication date Jul 18, 2002
- Ming Xu
- G02 - OPTICS