Inventor
UMETSU TAKESHI
JP5 patents
Patents
5 patentsUS10644627B2May 5, 2020
Control device of synchronous electric motor, integrated motor system, pump system, and positioning system
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations71
US11139771B2Oct 5, 2021
Control device and control method for AC motor and AC motor drive system
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations61
US9685894B2Jun 20, 2017
Brushless motor controller and control method
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations48
US9923502B2Mar 20, 2018
Synchronous motor control apparatus and drive system using the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40
US10381965B2Aug 13, 2019
Drive device and method for three-phase brushless motor
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations38