Inventor · disambiguated record
Chongchang Mao
Also filed as: MAO CHONGCHANG
11 granted patents·3 pending applications·170 citations·filing 1990–2024
90Inventor score
Files withHUAWEI TECH CO LTD5CHORUM TECHNOLOGIES LP2EZCONN CORP2OHIO STATE INNOVATION FOUNDATION2EC OPTICS TECHNOLOGY INC1
Top patents by PatentIndex Score
14 records- 0190US6429962B1Dynamic gain equalizer for optical amplifiersCHORUM TECHNOLOGIES LP·Filed 2000·Granted Aug 6, 2002·39 cites·27 claims
- 0288US9201286B2Method and apparatus for wavelength selective switchHUAWEI TECH CO LTD·Filed 2015·Granted Dec 1, 2015·4 cites·9 claims
- 0386US6519022B1Optical routing switch using symmetric liquid crystal cellsCHORUM TECHNOLOGIES LP·Filed 2000·Granted Feb 11, 2003·32 cites·26 claims
- 0480US5073010AOptically addressable spatial light modulator having a distorted helix ferroelectric liquid crystal memberUNIV COLORADO FOUNDATION·Filed 1990·Granted Dec 17, 1991·57 cites·37 claims
- 0578US9008470B2Method and apparatus for wavelength selective switchHUAWEI TECH CO LTD·Filed 2013·Granted Apr 14, 2015·4 cites·10 claims
- 0676US7034979B1Variable optical attenuator using crystal wedgesEZCONN CORP·Filed 2002·Granted Apr 25, 2006·21 cites·26 claims
- 0772US10284931B2Liquid crystal grating-based optical switchHUAWEI TECH CO LTD·Filed 2016·Granted May 7, 2019·3 cites·14 claims
- 0864US7023611B2Optical equalization with beam counter-propagationEZCONN CORP·Filed 2002·Granted Apr 4, 2006·7 cites·79 claims
- 0956US2025158851A1Method and apparatus of channel estimation in ultra-wideband communicationOHIO STATE INNOVATION FOUNDATION·Filed 2024·Application pending·0 cites
- 1054US9927678B2Variable optical attenuator comprising a switchable polarization gratingHUAWEI TECH CO LTD·Filed 2016·Granted Mar 27, 2018·0 cites·17 claims
- 1150US6972826B1Liquid crystal based optical signal processingEC OPTICS TECHNOLOGY INC·Filed 2002·Granted Dec 6, 2005·3 cites·11 claims
- 1244US11442314B2Polarization insensitive liquid crystal on silicon (LCOS) phase modulators and related devices and methodsMAO CHONGCHANG·Filed 2021·Granted Sep 13, 2022·0 cites·19 claims
- 1341US2025046265A1Pixel circuits for liquid crystal on silicon phase modulatorOHIO STATE INNOVATION FOUNDATION·Filed 2022·Application pending·0 cites
- 1429US2016154247A1Beam processing device, beam attenuation and switching device, and optical wavelength selective switch systemHUAWEI TECH CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →