Inventor
WANG QICHEN
JP11 patents
Patents
11 patentsUS9531298B2Dec 27, 2016
Inverter device
FUJI ELECTRIC CO LTD2 citations61
US9397582B2Jul 19, 2016
Power converter, and inverter device including the power converter
FUJI ELECTRIC CO LTD2 citations61
US12438056B2Oct 7, 2025
Semiconductor device and method for determining deterioration of semiconductor device
FUJI ELECTRIC CO LTD0 citations51
US11632038B2Apr 18, 2023
Snubber apparatus and power conversion apparatus
FUJI ELECTRIC CO LTD0 citations50
US11218070B2Jan 4, 2022
Snubber module, snubber apparatus and power conversion apparatus
FUJI ELECTRIC CO LTD0 citations50
US11165333B2Nov 2, 2021
Snubber device and power conversion apparatus
FUJI ELECTRIC CO LTD0 citations49
US11424610B2Aug 23, 2022
Apparatus, 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 voltage
FUJI ELECTRIC CO LTD0 citations45
US10825605B2Nov 3, 2020
Transformer
FUJI ELECTRIC CO LTD0 citations40
US10122281B2Nov 6, 2018
Power conversion device for cancelling leakage current
FUJI ELECTRIC CO LTD0 citations40
US9887539B2Feb 6, 2018
Power conversion device
FUJI ELECTRIC CO LTD0 citations40
US10398029B2Aug 27, 2019
High-frequency transformer
FUJI ELECTRIC CO LTD0 citations38