Inventor
TAKUBO HIROMU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TAKUBO HIROMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
11 patentsUS5077651ADec 31, 1991
Snubber circuit of power converter
FUJI ELECTRIC CO LTD38 citations92
US5055990AOct 8, 1991
Snubber circuit for power conversion semiconductor elements and assembly thereof
FUJI ELECTRIC CO LTD47 citations91
US10123443B2Nov 6, 2018
Semiconductor device
FUJI ELECTRIC CO LTD4 citations73
US10312727B2Jun 4, 2019
Power supply device
FUJI ELECTRIC CO LTD2 citations72
US10003273B2Jun 19, 2018
Power conversion device
FUJI ELECTRIC CO LTD4 citations72
US9520807B2Dec 13, 2016
Power converter that delays state changes of on/off pulses and control method thereof
FUJI ELECTRIC CO LTD3 citations72
US12336094B2Jun 17, 2025
Wiring board and power conversion apparatus
FUJI ELECTRIC CO LTD0 citations58
US10707776B2Jul 7, 2020
3-level power conversion circuit including serially-connected switching element and diode
FUJI ELECTRIC CO LTD0 citations50
US12334808B2Jun 17, 2025
Drive device, drive method, and power conversion device
FUJI ELECTRIC CO LTD0 citations48
US12212224B2Jan 28, 2025
Driving apparatus
FUJI ELECTRIC CO LTD0 citations48
US11955791B2Apr 9, 2024
Short-circuit detector and power converter
FUJI ELECTRIC CO LTD0 citations44