Inventor
MABUCHI YUUICHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “MABUCHI YUUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS10008953B2Jun 26, 2018
Power conversion device and power conversion method for power conversion device
HITACHI LTD5 citations72
US9917529B2Mar 13, 2018
Power conversion unit, power converter and method of manufacturing power converter
HITACHI LTD3 citations72
US9906154B2Feb 27, 2018
Power conversion unit and power conversion device
HITACHI LTD2 citations72
US9807913B2Oct 31, 2017
Cooling structure of heating element and power conversion device
HITACHI LTD3 citations72
US9437797B2Sep 6, 2016
Cooling structure of heating element and power conversion device
HITACHI LTD3 citations72
US10615715B2Apr 7, 2020
Power conversion device, cooling structure, power conversion system, and power supply device
HITACHI LTD2 citations70
US9532489B2Dec 27, 2016
Power conversion device
HITACHI LTD2 citations62
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
US10141861B2Nov 27, 2018
Power conversion unit, power converter and method of manufacturing power converter
HITACHI LTD0 citations51
US9750125B2Aug 29, 2017
Power supply apparatus
HITACHI LTD0 citations51
US12388269B2Aug 12, 2025
Power converter device
HITACHI LTD0 citations50
US9887638B2Feb 6, 2018
Power conversion apparatus with frequency operation change based on input voltage
HITACHI LTD0 citations40
US9806622B2Oct 31, 2017
Power conversion device and power conversion control method for the same
HITACHI LTD0 citations40
US9497887B2Nov 15, 2016
Cooling structure for heating element and power converter
HITACHI LTD0 citations40