Qingjiang Chang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of identifying long-shining rogue ONU in passive optical net...
- Patent number 10,165,341
- Issue date Dec 25, 2018
- Alcatel Lucent
- Qingjiang Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for determining a rogue ONU in a PON
- Patent number 9,992,561
- Issue date Jun 5, 2018
- Alcatel Lucent
- Xiao Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote node device, optical network unit and system and communicati...
- Patent number 9,621,296
- Issue date Apr 11, 2017
- Alcatel Lucent
- Zhensen Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter
- Patent number 9,461,750
- Issue date Oct 4, 2016
- Alcatel Lucent
- Qingjiang Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DETERMINING A ROGUE ONU IN A PON
- Publication number 20170201814
- Publication date Jul 13, 2017
- Alcatel Lucent
- Xiao CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF IDENTIFYING LONG-SHINING ROGUE ONU IN PASSIVE OPTICAL NET...
- Publication number 20160269811
- Publication date Sep 15, 2016
- Alcatel Lucent
- Qingjiang CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REMOTE NODE DEVICE, OPTICAL NETWORK UNIT AND SYSTEM AND COMMUNICATI...
- Publication number 20150256285
- Publication date Sep 10, 2015
- Alcatel Lucent
- Zhensen Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER
- Publication number 20150030324
- Publication date Jan 29, 2015
- Alcatel Lucent
- Qingjiang Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE