Inventor · disambiguated record
Qixue Zhang
Also filed as: ZHANG QIXUE
5 granted patents·3 citations·filing 2014–2019
64Inventor score
Files withNR ELECTRIC CO LTD5
Top patents by PatentIndex Score
5 records- 0173US11264793B2Method and device for quickly eliminating ferromagnetic resonance of voltage transformerNR ELECTRIC CO LTD·Filed 2019·Granted Mar 1, 2022·1 cites·13 claims
- 0265US9584007B2Current source converter differential protection method and relay protection deviceNR ELECTRIC CO LTD·Filed 2014·Granted Feb 28, 2017·2 cites·17 claims
- 0344US10267859B2Method and apparatus for identifying open phase of circuit breaker on basis of voltageNR ELECTRIC CO LTD·Filed 2016·Granted Apr 23, 2019·0 cites·15 claims
- 0443US11422204B2Method for detecting open phase of startup/standby transformer based on optical CTNR ELECTRIC CO LTD·Filed 2018·Granted Aug 23, 2022·0 cites·2 claims
- 0538US10128650B2Relay protection method and apparatus against LC parallel circuit detuning faultsNR ELECTRIC CO LTD·Filed 2015·Granted Nov 13, 2018·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →