Inventor · disambiguated record
Qichen Wang
Also filed as: WANG QICHEN
11 granted patents·2 pending applications·4 citations·filing 2015–2025
79Inventor score
Top patents by PatentIndex Score
13 records- 0169US9531298B2Inverter deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Dec 27, 2016·2 cites·16 claims
- 0269US9397582B2Power converter, and inverter device including the power converterFUJI ELECTRIC CO LTD·Filed 2015·Granted Jul 19, 2016·2 cites·19 claims
- 0358US12438056B2Semiconductor device and method for determining deterioration of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Oct 7, 2025·0 cites·17 claims
- 0454US11632038B2Snubber apparatus and power conversion apparatusFUJI ELECTRIC CO LTD·Filed 2021·Granted Apr 18, 2023·0 cites·15 claims
- 0549US2025331744A1Measuring instrumentSHARP SEMICONDUCTOR INNOVATION CORP·Filed 2025·Application pending·0 cites
- 0648US10825605B2TransformerFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 3, 2020·0 cites·3 claims
- 0747US2025295335A1Measuring instrumentSHARP SEMICONDUCTOR INNOVATION CORP·Filed 2025·Application pending·0 cites
- 0845US11424610B2Apparatus, power supply, method and recording medium to determine a state of a three-phase AC power supply using instantaneous voltages of three phases of the AC voltageFUJI ELECTRIC CO LTD·Filed 2019·Granted Aug 23, 2022·0 cites·12 claims
- 0944US11165333B2Snubber device and power conversion apparatusFUJI ELECTRIC CO LTD·Filed 2019·Granted Nov 2, 2021·0 cites·20 claims
- 1043US11218070B2Snubber module, snubber apparatus and power conversion apparatusFUJI ELECTRIC CO LTD·Filed 2020·Granted Jan 4, 2022·0 cites·9 claims
- 1140US10398029B2High-frequency transformerFUJI ELECTRIC CO LTD·Filed 2017·Granted Aug 27, 2019·0 cites·14 claims
- 1239US9887539B2Power conversion deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Feb 6, 2018·0 cites·17 claims
- 1335US10122281B2Power conversion device for cancelling leakage currentFUJI ELECTRIC CO LTD·Filed 2016·Granted Nov 6, 2018·0 cites·13 claims
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