Inventor
KITANAKA HIDETOSHI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “KITANAKA HIDETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
20 patentsUS7723865B2May 25, 2010
Bidirectional buck boost DC-DC converter, railway coach drive control system, and railway feeder system
MITSUBISHI ELECTRIC CORP181 citations99
US9493077B2Nov 15, 2016
Hybrid drive system
MITSUBISHI ELECTRIC CORP41 citations94
US8344680B2Jan 1, 2013
Control apparatus of alternating-current motor
MITSUBISHI ELECTRIC CORP21 citations93
US8049455B2Nov 1, 2011
Electric power converter
MITSUBISHI ELECTRIC CORP31 citations93
US7977819B2Jul 12, 2011
Power converter and controller using such power converter for electric rolling stock
MITSUBISHI ELECTRIC CORP15 citations84
US7969106B2Jun 28, 2011
Vector controller for permanent-magnet synchronous electric motor
MITSUBISHI ELECTRIC CORP15 citations84
US7808195B2Oct 5, 2010
Control apparatus for electric train
MITSUBISHI ELECTRIC CORP8 citations84
US7772806B2Aug 10, 2010
Power storage system
MITSUBISHI ELECTRIC CORP17 citations84
US7723944B2May 25, 2010
Vector control device of induction motor, vector control method of induction motor, and drive control device of induction motor
MITSUBISHI ELECTRIC CORP12 citations83
US10180461B2Jan 15, 2019
Battery internal state estimation apparatus
MITSUBISHI ELECTRIC CORP4 citations73
US10065511B2Sep 4, 2018
Hybrid drive system
MITSUBISHI ELECTRIC CORP3 citations73
US10112493B2Oct 30, 2018
Charge-discharge control device
MITSUBISHI ELECTRIC CORP2 citations69
US10945355B2Mar 9, 2021
Power conversion device
MITSUBISHI ELECTRIC CORP3 citations68
US10555442B2Feb 4, 2020
Power conversion device
MITSUBISHI ELECTRIC CORP2 citations68
US7667430B2Feb 23, 2010
Power storage apparatus
MITSUBISHI ELECTRIC CORP3 citations63
US7385371B2Jun 10, 2008
Vector controller for induction motor
MITSUBISHI ELECTRIC CORP6 citations63
US11038221B2Jun 15, 2021
Storage battery module with a heat dissipating plate for interconnecting battery cells
MITSUBISHI ELECTRIC CORP1 citations62
US12311989B2May 27, 2025
Maintenance management system and maintenance management ground system
MITSUBISHI ELECTRIC CORP0 citations52
US12231006B2Feb 18, 2025
Drive control device for electric vehicle
MITSUBISHI ELECTRIC CORP0 citations52
US11509013B2Nov 22, 2022
Storage battery module
MITSUBISHI ELECTRIC CORP0 citations52
KITANAKA HIDETOSHI
20 patentsUS8278855B2Oct 2, 2012
Controller of motor preventing an increase in inverter loss
KITANAKA HIDETOSHI20 citations93
US8615341B2Dec 24, 2013
Propulsion control apparatus for electric vehicle
KITANAKA HIDETOSHI9 citations84
US8269451B2Sep 18, 2012
Power conversion device
KITANAKA HIDETOSHI12 citations84
US8258735B2Sep 4, 2012
Power converting apparatus for motor driving
KITANAKA HIDETOSHI11 citations84
US8228008B2Jul 24, 2012
Motor controlling apparatus
KITANAKA HIDETOSHI11 citations84
US8222857B2Jul 17, 2012
Motor controlling device
KITANAKA HIDETOSHI14 citations84
US8106620B2Jan 31, 2012
Vector control device for alternating-current electric motor
KITANAKA HIDETOSHI16 citations84
US8174833B2May 8, 2012
Electric power converting apparatus
KITANAKA HIDETOSHI15 citations82
US9543862B2Jan 10, 2017
Electric motor control device and electric motor control method
KITANAKA HIDETOSHI2 citations73
US9340111B2May 17, 2016
Control device for electric vehicle
KITANAKA HIDETOSHI4 citations73
US8688301B2Apr 1, 2014
Power converter
KITANAKA HIDETOSHI4 citations73
US8596434B2Dec 3, 2013
Electric railway system
KITANAKA HIDETOSHI6 citations73
US8427004B2Apr 23, 2013
Electric-vehicle controller and power storage unit shutoff switch
KITANAKA HIDETOSHI6 citations73
US8598837B2Dec 3, 2013
Driving controller for AC motor
KITANAKA HIDETOSHI6 citations72
US9221346B2Dec 29, 2015
Propulsion control apparatus for electric motor car
KITANAKA HIDETOSHI6 citations71
US9520733B2Dec 13, 2016
Charging and discharging device to increase battery temperature by controlling ripple current
KITANAKA HIDETOSHI2 citations63
US9013125B2Apr 21, 2015
Electric power converter of electric rolling stock
KITANAKA HIDETOSHI2 citations63
US8531150B2Sep 10, 2013
DCDC converter
KITANAKA HIDETOSHI2 citations63
US8148926B2Apr 3, 2012
Permanent magnet synchronization motor vector control device
KITANAKA HIDETOSHI3 citations63
US8148003B2Apr 3, 2012
Power storage apparatus
KITANAKA HIDETOSHI2 citations63
KATO SHO
2 patentsYOSHIOKA SHOJI
1 patentYAMASAKI HISANORI
1 patentTABUCHI AKIKO
1 patentKAWAMOTO SYOICHI
1 patentKONO MASAKI
1 patentWADA YASUHIKO
1 patentIKEMOTO MINORU
1 patentYABUUCHI MASATAKA
1 patentShowing the top 50 of 66 patents by PatentIndex Score.