Inventor
HARAKAWA MASAYA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HARAKAWA MASAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
9 patentsUS6809492B2Oct 26, 2004
Speed control device for AC electric motor
MITSUBISHI ELECTRIC CORP35 citations91
US9515528B2Dec 6, 2016
Permanent magnet rotary electric machine
MITSUBISHI ELECTRIC CORP11 citations82
US7825540B2Nov 2, 2010
Power conversion device
MITSUBISHI ELECTRIC CORP15 citations82
US9413200B2Aug 9, 2016
Stator and electric motor using same
MITSUBISHI ELECTRIC CORP7 citations80
US10447172B2Oct 15, 2019
Power regenerative converter and motor control device
MITSUBISHI ELECTRIC CORP2 citations70
US10389193B2Aug 20, 2019
Reluctance motor and manufacturing method for rotor core used in reluctance motor
MITSUBISHI ELECTRIC CORP2 citations59
US11892822B2Feb 6, 2024
Maintenance support system, maintenance support method and maintenance management server
MITSUBISHI ELECTRIC CORP0 citations48
US8378601B2Feb 19, 2013
Control apparatus for permanent magnet synchronous motor
MITSUBISHI ELECTRIC CORP1 citations47
US10250170B2Apr 2, 2019
Motor control device
MITSUBISHI ELECTRIC CORP0 citations45