Inventor
NAKATSUGAWA JUNNOSUKE
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUGAWA JUNNOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS7825620B2Nov 2, 2010
Controller and constant measuring apparatus for AC motor
HITACHI LTD25 citations92
US6828752B2Dec 7, 2004
Driving equipment and semiconductor equipment for alternating-current motor
HITACHI LTD42 citations92
US6657413B2Dec 2, 2003
Driving equipment for synchronous motors
HITACHI LTD21 citations92
US6570358B2May 27, 2003
Control apparatus for alternating-current motor
HITACHI LTD34 citations92
US8044618B2Oct 25, 2011
Control apparatus for AC motor
HITACHI LTD15 citations84
US7224133B2May 29, 2007
Control apparatus, dual chip inverter and single chip inverter of AC motors
HITACHI LTD12 citations84
US10811950B2Oct 20, 2020
Linear motor and device provided with linear motor
HITACHI LTD0 citations51
US11962215B2Apr 16, 2024
Linear motion motor
HITACHI LTD0 citations40
NAKATSUGAWA JUNNOSUKE
3 patentsIWASAKI NORIHISA
3 patentsUS8513842B2Aug 20, 2013
Heat radiation structure for rotary electromotor
IWASAKI NORIHISA9 citations82
US8664902B2Mar 4, 2014
Polyphase AC motor, driving device and driving method therefor
IWASAKI NORIHISA2 citations60
US9143025B2Sep 22, 2015
Magnetic gear mechanism including a plurality of rotors or stators
IWASAKI NORIHISA0 citations39
RENESAS ELECTRONICS CORP
2 patentsHITACHI ASTEMO LTD
2 patentsUS12510064B2Dec 30, 2025
Linear motor, compressor equipped with linear motor, refrigerator equipped with compressor, and vehicle air suspension equipped with compressor
HITACHI ASTEMO LTD0 citations52
US12107470B2Oct 1, 2024
Rotary electric machine and in-vehicle motor system
HITACHI ASTEMO LTD0 citations47