Inventor · disambiguated record
Shengfa Zhang
Also filed as: ZHANG SHENGFA
2 granted patents·4 citations·filing 2012–2012
43Inventor score
Files withGUANGDONG EAST POWER CO LTD2
Top patents by PatentIndex Score
2 records- 0157US9478353B2Symmetric-type UPS power system based on a nine-phase phase-shifting autotransformerGUANGDONG EAST POWER CO LTD·Filed 2012·Granted Oct 25, 2016·3 cites·10 claims
- 0246US9627990B2Non-isolated symmetric self-coupling 18-pulse rectifier power supply systemGUANGDONG EAST POWER CO LTD·Filed 2012·Granted Apr 18, 2017·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →