Inventor
YATSUGI TOMISHIGE
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YATSUGI TOMISHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
21 patentsUS9647603B2May 9, 2017
Controller and control method for electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD7 citations84
US10243503B2Mar 26, 2019
Drive controller and drive control method for electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10218302B2Feb 26, 2019
Controller and control method for electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US10097129B2Oct 9, 2018
Drive controller and drive control method for electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US9985567B2May 29, 2018
Electric motor drive device and control method therefor
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US9787240B2Oct 10, 2017
Controller and control method for motor
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations73
US9806643B2Oct 31, 2017
Drive control apparatus for electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations67
US10924048B2Feb 16, 2021
Inverter control device, motor drive device, and electric power steering apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US10840842B2Nov 17, 2020
Motor driving device and method for measuring phase current in motor driving device
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations60
US9438148B2Sep 6, 2016
Motor drive device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations56
US9917538B2Mar 13, 2018
Motor driving circuit, motor driving system, electric power steering system, electric brake system, and vehicle driving system
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations52
US10251271B2Apr 2, 2019
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10562563B2Feb 18, 2020
Device and method for controlling electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations49
US10363957B2Jul 30, 2019
Device and method for controlling electric motor
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations49
US10800444B2Oct 13, 2020
Electric driving device and electric power steering device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42
US10246126B2Apr 2, 2019
Feedback control apparatus, electrically driven power steering apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42
US9490732B2Nov 8, 2016
Power conversion apparatus, electronic steering system, electric vehicle, electronic control throttle and power brake
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42
US10797570B2Oct 6, 2020
Electric drive device and electric power steering apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations41
US10154589B2Dec 11, 2018
Electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40
US10421482B2Sep 24, 2019
Electronic control unit and control method for the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations39
US10404202B2Sep 3, 2019
Electronic control device and control method thereof
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations39
HITACHI LTD
9 patentsUS6226449B1May 1, 2001
Apparatus for recording and reproducing digital image and speech
HITACHI LTD124 citations98
US6590609B1Jul 8, 2003
Image signal recording system
HITACHI LTD66 citations93
US5854874ADec 29, 1998
Image recording/reproducing system
HITACHI LTD9 citations74
US7106954B2Sep 12, 2006
Digital camcorder
HITACHI LTD10 citations73
US5148329ASep 15, 1992
Magnetic recording/reproducing circuit system including a temperature controlled amplitude control circuit for a video signal
HITACHI LTD12 citations73
US5138505AAug 11, 1992
Tracking apparatus for a magnetic recording and playback apparatus with independent control of audio head with respect to video head
HITACHI LTD3 citations63
US5260843ANov 9, 1993
Magnetic recording and reproducing apparatus with individual correction of amplitude variations of recording currents supplied to plural rotary magnetic heads
HITACHI LTD5 citations61
US4956729ASep 11, 1990
Video signal preamplifier circuit
HITACHI LTD5 citations61
US8009536B2Aug 30, 2011
Recording and reproducing apparatus
HITACHI LTD0 citations41