Mao; Chongchang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Mao; Chongchang.The latest application filed is for "polarization insensitive liquid crystal on silicon (lcos) phase modulators and related devices and methods".

Company Profile

1.13.9

Mao; Chongchang - Chapel Hill NC US
Mao; Chongchang - Wuhan CN
Mao; Chongchang - Shenzhen CN
Mao; Chongchang - Plano TX
Mao; Chongchang - Boulder CO

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Polarization insensitive liquid crystal on silicon (LCOS) phase modulators and related devices and methods Grant 11,442,314 - Mao September 13, 2	2022-09-13
Polarization Insensitive Liquid Crystal on Silicon (LCOS) Phase Modulators and Related Devices and Methods App 20220050333 - Mao; Chongchang	2022-02-17
Liquid crystal grating-based optical switch Grant 10,284,931 - Mao , et al.	2019-05-07
Variable optical attenuator comprising a switchable polarization grating Grant 9,927,678 - Mao , et al. March 27, 2	2018-03-27
Variable Optical Attenuator App 20170075189 - Mao; Chongchang ; et al.	2017-03-16
Liquid Crystal Grating-Based Optical Switch App 20170055051 - Mao; Chongchang ; et al.	2017-02-23
Beam Processing Device, Beam Attenuation And Switching Device, And Optical Wavelength Selective Switch System App 20160154247 - LIU; Heliang ; et al.	2016-06-02
Method and apparatus for wavelength selective switch Grant 9,201,286 - Mao , et al. December 1, 2	2015-12-01
Method and Apparatus for Wavelength Selective Switch App 20150185583 - Mao; Chongchang ; et al.	2015-07-02
Method and apparatus for wavelength selective switch Grant 9,008,470 - Mao , et al. April 14, 2	2015-04-14
Method and Apparatus for Wavelength Selective Switch App 20130194537 - Mao; Chongchang ; et al.	2013-08-01
Variable optical attenuator using crystal wedges Grant 7,034,979 - Feng , et al. April 25, 2	2006-04-25
Optical equalization with beam counter-propagation Grant 7,023,611 - Huang , et al. April 4, 2	2006-04-04
Liquid crystal based optical signal processing Grant 6,972,826 - Xu , et al. December 6, 2	2005-12-06
Optical routing switch using symmetric liquid crystal cells Grant 6,519,022 - Xu , et al. February 11, 2	2003-02-11
Optical equalization with beam counter-propagation App 20030021011 - Huang, Tizhi ; et al.	2003-01-30
Dynamic gain equalizer for optical amplifiers Grant 6,429,962 - Xu , et al. August 6, 2	2002-08-06
Dynamic Gain Equalizer For Optical Amplifiers App 20020093725 - Xu, Ming ; et al.	2002-07-18
Optically addressable spatial light modulator having a distorted helix ferroelectric liquid crystal member Grant 5,073,010 - Johnson , et al. December 17, 1	1991-12-17

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