Inventor · disambiguated record
Qingjiang Chang
Also filed as: CHANG QINGJIANG
4 granted patents·4 citations·filing 2013–2015
60Inventor score
Files withALCATEL LUCENT4
Top patents by PatentIndex Score
4 records- 0172US9992561B2Method and apparatus for determining a rogue ONU in a PONALCATEL LUCENT·Filed 2015·Granted Jun 5, 2018·3 cites·15 claims
- 0250US9621296B2Remote node device, optical network unit and system and communication method thereofALCATEL LUCENT·Filed 2013·Granted Apr 11, 2017·1 cites·8 claims
- 0343US10165341B2Method of identifying long-shining rogue ONU in passive optical networkALCATEL LUCENT·Filed 2014·Granted Dec 25, 2018·0 cites·12 claims
- 0434US9461750B2Optical transmitterALCATEL LUCENT·Filed 2013·Granted Oct 4, 2016·0 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →