Inventor
YUUKI KAZUAKI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “YUUKI KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
21 patentsUS8884576B2Nov 11, 2014
Variable-flux motor drive system
TOSHIBA KK21 citations92
US9680406B2Jun 13, 2017
Variable-flux motor drive system
TOSHIBA KK2 citations73
US9373992B2Jun 21, 2016
Permanent magnet electric motor
TOSHIBA KK3 citations73
US9423470B2Aug 23, 2016
Magnetic polarity determination device, permanent magnet synchronous motor control device, and magnetic polarity determination method
TOSHIBA KK3 citations72
US10637381B2Apr 28, 2020
Inverter control device and drive system
TOSHIBA KK2 citations71
US11097620B2Aug 24, 2021
Circuit system for railroad vehicle
TOSHIBA KK2 citations67
US9496774B2Nov 15, 2016
Permanent magnet electric motor
TOSHIBA KK2 citations62
US9490684B2Nov 8, 2016
Permanent magnet electric motor
TOSHIBA KK2 citations62
US7965003B2Jun 21, 2011
Motor drive system for railway vehicle
TOSHIBA KK2 citations62
US7439703B2Oct 21, 2008
Controller for synchronous machine
TOSHIBA KK2 citations62
US7253583B2Aug 7, 2007
Controller for synchronous machine
TOSHIBA KK2 citations62
US7949443B2May 24, 2011
Electric-vehicle driving apparatus
TOSHIBA KK6 citations61
US9327604B2May 3, 2016
Electric vehicle control apparatus and electric vehicle
TOSHIBA KK2 citations60
US7312594B2Dec 25, 2007
Control system for synchronous machine
TOSHIBA KK3 citations60
US7443126B2Oct 28, 2008
Controller for synchronous machine
TOSHIBA KK0 citations52
US10069390B2Sep 4, 2018
Synchronous reluctance rotating electric machine
TOSHIBA KK1 citations51
US12037033B2Jul 16, 2024
Device state recording system and device state recording device
TOSHIBA KK0 citations46
US10498277B2Dec 3, 2019
Drive system and inverter
TOSHIBA KK0 citations40
US10158305B2Dec 18, 2018
Inverter controller and motor driving system
TOSHIBA KK0 citations40
US9923447B2Mar 20, 2018
Power conversion device having improved noise characteristics, and control method thereof
TOSHIBA KK0 citations36
US9853508B2Dec 26, 2017
Synchronous reluctance motor and rotor for synchronous reluctance motor
TOSHIBA KK0 citations36
SAKAI KAZUTO
5 patentsUS8330404B2Dec 11, 2012
Permanent-magnet-type rotating electrical machine
SAKAI KAZUTO25 citations92
US8624457B2Jan 7, 2014
Permanent magnet electric motor
SAKAI KAZUTO9 citations83
US8334667B2Dec 18, 2012
Permanent magnet rotating electrical machine and permanent magnet motor drive system
SAKAI KAZUTO14 citations83
US8269390B2Sep 18, 2012
Permanent-magnet-type rotating electrical machine and permanent magnet motor drive system
SAKAI KAZUTO13 citations83
US8569921B2Oct 29, 2013
Permanent-magnet type electric rotating machine
SAKAI KAZUTO1 citations50