Minchun Li

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal grating-based optical switch
- Patent number 10,284,931
- Issue date May 7, 2019
- Huawei Technologies Co., Ltd.
- Chongchang Mao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable optical attenuator comprising a switchable polarization gr...
- Patent number 9,927,678
- Issue date Mar 27, 2018
- Huawei Technologies Co., Ltd.
- Chongchang Mao
- G02 - OPTICS
Information Patent Grant
Method and apparatus for wavelength selective switch
- Patent number 9,201,286
- Issue date Dec 1, 2015
- Huawei Technologies Co., Ltd.
- Chongchang Mao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for wavelength selective switch
- Patent number 9,008,470
- Issue date Apr 14, 2015
- Huawei Technologies Co., Ltd.
- Chongchang Mao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Variable Optical Attenuator
- Publication number 20170075189
- Publication date Mar 16, 2017
- Huawei Technologies Co., Ltd
- Chongchang Mao
- G02 - OPTICS
Information Patent Application
Liquid Crystal Grating-Based Optical Switch
- Publication number 20170055051
- Publication date Feb 23, 2017
- Huawei Technologies Co., Ltd
- Chongchang Mao
- G02 - OPTICS
Information Patent Application
BEAM PROCESSING DEVICE, BEAM ATTENUATION AND SWITCHING DEVICE, AND...
- Publication number 20160154247
- Publication date Jun 2, 2016
- Huawei Technologies Co., Ltd
- Heliang LIU
- G02 - OPTICS
Information Patent Application
Method and Apparatus for Wavelength Selective Switch
- Publication number 20150185583
- Publication date Jul 2, 2015
- Huawei Technologies Co., Ltd
- Chongchang Mao
- G02 - OPTICS
Information Patent Application
Method and Apparatus for Wavelength Selective Switch
- Publication number 20130194537
- Publication date Aug 1, 2013
- Huawei Technologies Co., Ltd
- Chongchang Mao
- G02 - OPTICS