Inventor
FURUKAWA KIMIHISA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA KIMIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS7990085B2Aug 2, 2011
Generator control unit
HITACHI LTD11 citations81
US11016138B2May 25, 2021
Diagnosis system for power conversion device, diagnosis method for semiconductor module, and power conversion device
HITACHI LTD2 citations72
US10122296B2Nov 6, 2018
Power converter, diagnostic system of power converter, and power converter diagnostic method using current change
HITACHI LTD2 citations71
US12034379B2Jul 9, 2024
Power conversion system
HITACHI LTD0 citations60
US12512766B2Dec 30, 2025
Power conversion device
HITACHI LTD0 citations51
US11296610B2Apr 5, 2022
Power conversion device, power conversion device control device, and power conversion device control method
HITACHI LTD0 citations51
US11201559B2Dec 14, 2021
Power conversion device and power conversion device connection method
HITACHI LTD0 citations51
US12388269B2Aug 12, 2025
Power converter device
HITACHI LTD0 citations50
US10122299B2Nov 6, 2018
Power conversion device
HITACHI LTD0 citations41
HITACHI AUTOMOTIVE SYSTEMS LTD
5 patentsUS9610972B2Apr 4, 2017
Inverter device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10348218B2Jul 9, 2019
Power conversion device and electric power steering device using the same
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US9819299B2Nov 14, 2017
Inverter device and electric vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations72
US9531305B2Dec 27, 2016
Inverter apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations72
US10425025B2Sep 24, 2019
Power conversion device and motor drive apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40