Inventor
DOI MASAHIRO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “DOI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI ASTEMO LTD
9 patentsUS12574028B2Mar 10, 2026
Drive device for semiconductor switching element, driving method therefor, and power conversion device
HITACHI ASTEMO LTD0 citations62
US12592105B2Mar 31, 2026
Electronic control device and method for diagnosing electronic control device
HITACHI ASTEMO LTD0 citations61
US12164352B2Dec 10, 2024
Electronic control device and method for diagnosing electronic control device
HITACHI ASTEMO LTD0 citations58
US11726794B2Aug 15, 2023
Preventing supply of power to a microcomputer of an electronic control device until capacitors are discharged
HITACHI ASTEMO LTD1 citations57
US12316209B2May 27, 2025
Method and system for diagnosing abnormality of power device drive in inverter device
HITACHI ASTEMO LTD0 citations51
US12080112B2Sep 3, 2024
Electronic control device and diagnosis method of electronic control device
HITACHI ASTEMO LTD0 citations50
US12093066B2Sep 17, 2024
Electronic control device
HITACHI ASTEMO LTD0 citations49
US12319210B2Jun 3, 2025
Electronic control device
HITACHI ASTEMO LTD0 citations47
US12341420B2Jun 24, 2025
Electronic control device for power conversion, and power supply IC
HITACHI ASTEMO LTD0 citations46
DOI MASAHIRO
5 patentsUS8565921B2Oct 22, 2013
Biped walking robot
DOI MASAHIRO42 citations93
US8733207B2May 27, 2014
Method of driving joint device
DOI MASAHIRO1 citations51
US8652074B2Feb 18, 2014
Walking assist device
DOI MASAHIRO1 citations51
US9190259B2Nov 17, 2015
Discharge lamp and discharge lamp apparatus
DOI MASAHIRO0 citations45
US8135308B2Mar 13, 2012
Detachable transfer unit used for image forming apparatus and operation method of the transfer unit
DOI MASAHIRO0 citations40
HITACHI AUTOMOTIVE SYSTEMS LTD
4 patentsUS11008988B2May 18, 2021
Electronic control device and abnormality/normality determination method of electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US11635472B2Apr 25, 2023
Load driving device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations60
US11459996B2Oct 4, 2022
Electronic control unit
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations60
US10833688B2Nov 10, 2020
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50