Inventor · disambiguated record
Haojun Liu
Also filed as: LIU HAOJUN
3 granted patents·2 citations·filing 2015–2024
48Inventor score
Files withCHINA RAILWAY NO 3 ENG GROUP1STATE GRID CORP CHINA SGCC1STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER RES INSTITUTE1
Top patents by PatentIndex Score
3 records- 0165US10546074B2Method and system for obtaining relation between winding state and leakage reactance parameter of transformerSTATE GRID CORP CHINA SGCC·Filed 2015·Granted Jan 28, 2020·2 cites·14 claims
- 0260US12350786B2Apparatus for automatically polishing butt weld of ultralong large-diameter pipelineCHINA RAILWAY NO 3 ENG GROUP·Filed 2024·Granted Jul 8, 2025·0 cites·2 claims
- 0338US12326471B2Transformer bushing partial discharge monitoring chip device and methodSTATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER RES INSTITUTE·Filed 2023·Granted Jun 10, 2025·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →