Inventor · disambiguated record
Lewei Qian
Also filed as: QIAN LEWEI
9 granted patents·2 pending applications·53 citations·filing 2010–2023
84Inventor score
Files withEATON INTELLIGENT POWER LTD3QIAN LEWEI3APTIV ELECTRIC SYSTEMS COMPANY LTD2CATERPILLAR INC1FORD GLOBAL TECH LLC1
Top patents by PatentIndex Score
11 records- 0197US11368031B2Power distribution and circuit protection for a mobile application having a high efficiency inverterEATON INTELLIGENT POWER LTD·Filed 2020·Granted Jun 21, 2022·36 cites·18 claims
- 0289US11777411B2Resonant power converter for wide voltage switchingEATON INTELLIGENT POWER LTD·Filed 2020·Granted Oct 3, 2023·4 cites·17 claims
- 0382US10589630B2Electrified vehicle drivetrain monitoring systemFORD GLOBAL TECH LLC·Filed 2017·Granted Mar 17, 2020·4 cites·18 claims
- 0480US12463545B2Isolated bi-directional DC conversion circuit and method for controlling the sameAPTIV ELECTRIC SYSTEMS COMPANY LTD·Filed 2023·Granted Nov 4, 2025·2 cites·10 claims
- 0560US8874294B2Simplified topology for trolley assist-capable electric drive truckQIAN LEWEI·Filed 2012·Granted Oct 28, 2014·3 cites·11 claims
- 0658US12489373B2Switchable bidirectional power converter with single power factor correction circuit and on board charger therewithEATON INTELLIGENT POWER LTD·Filed 2021·Granted Dec 2, 2025·0 cites·18 claims
- 0757US8982586B2Method for regulating temperature of transistor-based componentQIAN LEWEI·Filed 2010·Granted Mar 17, 2015·2 cites·20 claims
- 0856US9065270B2Ground fault protection systems and methodsCATERPILLAR INC·Filed 2013·Granted Jun 23, 2015·1 cites·20 claims
- 0949US8442712B2System and method to thermally protect a transistor in an electric drive vehicleQIAN LEWEI·Filed 2011·Granted May 14, 2013·1 cites·20 claims
- 1047US2024217358A1On-board charger control system and methodAPTIV ELECTRIC SYSTEMS COMPANY LTD·Filed 2023·Application pending·0 cites
- 1143US2012230843A1Cooling system for an electric drive machine and methodRAVIPATI SREENIVASA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →