Inventor
KOIZUMI TAKAYUKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
6 patentsUS9735659B2Aug 15, 2017
Electric rotating machine having a thermistor in a gap between U-shaped and odd-shaped coil ends
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations84
US10868448B2Dec 15, 2020
Dynamo-electric machine and vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US10523073B2Dec 31, 2019
Rotating electric machine and method of manufacturing same
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations70
US10439461B2Oct 8, 2019
Rotary electric machine having insulator material filled between conductive bodies
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations70
US10566854B2Feb 18, 2020
Rotating electric machine
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations68
US10727709B2Jul 28, 2020
Rotor of rotary electrical machine, rotary electrical machine, and vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations60
MITSUBISHI ELECTRIC CORP
5 patentsUS4366544ADec 28, 1982
Judging system for detecting failure of machine
MITSUBISHI ELECTRIC CORP1,102 citations98
US4493042AJan 8, 1985
Bearing failure judging apparatus
MITSUBISHI ELECTRIC CORP116 citations94
US5243803ASep 14, 1993
Module for expandable framework structure and expandable framework structure employing said module
MITSUBISHI ELECTRIC CORP25 citations92
US4896165AJan 23, 1990
Module for expandable structure and expandable structure employing said module
MITSUBISHI ELECTRIC CORP36 citations92
US4165458AAug 21, 1979
Signal decision system
MITSUBISHI ELECTRIC CORP32 citations91
HITACHI LTD
3 patentsUS7557483B2Jul 7, 2009
Rotating electrical machine and manufacturing method thereof
HITACHI LTD15 citations84
US7659651B2Feb 9, 2010
Rotating electric machine, winding machine, and rotating electric machine system
HITACHI LTD11 citations81
US7764042B2Jul 27, 2010
Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same
HITACHI LTD6 citations74
HITACHI ASTEMO ELECTRIC MOTOR SYSTEMS LTD
3 patentsUS12549043B2Feb 10, 2026
Rotating electric machine
HITACHI ASTEMO ELECTRIC MOTOR SYSTEMS LTD0 citations49
US12160150B2Dec 3, 2024
Rotary electrical machine
HITACHI ASTEMO ELECTRIC MOTOR SYSTEMS LTD0 citations45
US12021423B2Jun 25, 2024
Dynamo-electrical machine
HITACHI ASTEMO ELECTRIC MOTOR SYSTEMS LTD0 citations43