Inventor
TAKAMATSU NAOYOSHI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMATSU NAOYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
28 patentsUS7923961B2Apr 12, 2011
Vehicle equipped with motor and inverter
TOYOTA MOTOR CO LTD25 citations93
US9899916B2Feb 20, 2018
Boost converter control apparatus
TOYOTA MOTOR CO LTD14 citations83
US9941694B2Apr 10, 2018
Power supply system
TOYOTA MOTOR CO LTD2 citations73
US9837888B2Dec 5, 2017
Boost control apparatus based on output current change amount
TOYOTA MOTOR CO LTD3 citations73
US10923924B2Feb 16, 2021
Power supply device of vehicle
TOYOTA MOTOR CO LTD4 citations72
US11431184B2Aug 30, 2022
Power supply device
TOYOTA MOTOR CO LTD3 citations70
US9434273B2Sep 6, 2016
Electrical source control apparatus
TOYOTA MOTOR CO LTD2 citations63
US11063462B2Jul 13, 2021
Charging apparatus
TOYOTA MOTOR CO LTD1 citations62
US10491122B2Nov 26, 2019
Power supply system for controlling DC voltage between power lines
TOYOTA MOTOR CO LTD1 citations62
US10250171B2Apr 2, 2019
Electric motor control apparatus and electric motor control method
TOYOTA MOTOR CO LTD1 citations62
US10224857B2Mar 5, 2019
Motor controller
TOYOTA MOTOR CO LTD1 citations62
US7847604B2Dec 7, 2010
Driving circuit for power semiconductor element including controlling circuit that provides control when detected voltage reaches predetermined voltage
TOYOTA MOTOR CO LTD3 citations62
US8050064B2Nov 1, 2011
Semiconductor power conversion device
TOYOTA MOTOR CO LTD4 citations61
US11881803B2Jan 23, 2024
Control device for electric vehicle
TOYOTA MOTOR CO LTD0 citations54
US11158893B2Oct 26, 2021
Battery heating device
TOYOTA MOTOR CO LTD0 citations52
US10164551B2Dec 25, 2018
Boost control apparatus based on output current change rate
TOYOTA MOTOR CO LTD1 citations52
US11411410B2Aug 9, 2022
Charging device
TOYOTA MOTOR CO LTD0 citations51
US11052842B2Jul 6, 2021
Vehicle control device
TOYOTA MOTOR CO LTD0 citations51
US11034258B2Jun 15, 2021
Power supply for vehicle and control method of power supply
TOYOTA MOTOR CO LTD0 citations51
US11303146B2Apr 12, 2022
Charging device
TOYOTA MOTOR CO LTD0 citations50
US11207985B2Dec 28, 2021
Power supply device
TOYOTA MOTOR CO LTD0 citations49
US9979344B2May 22, 2018
Controller for electric motor system
TOYOTA MOTOR CO LTD0 citations42
US9906133B2Feb 27, 2018
Electric source control apparatus
TOYOTA MOTOR CO LTD0 citations42
US9825529B2Nov 21, 2017
Voltage conversion control apparatus for a boost converter configured to boost or step down output voltage of an electricity storage apparatus
TOYOTA MOTOR CO LTD0 citations42
US9669727B2Jun 6, 2017
Electrical source control apparatus
TOYOTA MOTOR CO LTD0 citations42
US9553541B2Jan 24, 2017
Electric motor control apparatus
TOYOTA MOTOR CO LTD0 citations42
US10744897B2Aug 18, 2020
Power-supply apparatus
TOYOTA MOTOR CO LTD0 citations41
US10084379B2Sep 25, 2018
Boost converter control apparatus
TOYOTA MOTOR CO LTD0 citations41
TAKAMATSU NAOYOSHI
13 patentsUS8127564B2Mar 6, 2012
Cooling system
TAKAMATSU NAOYOSHI17 citations84
US8519653B2Aug 27, 2013
Control device and control method for AC motor
TAKAMATSU NAOYOSHI10 citations79
US9035594B2May 19, 2015
Boost converter control apparatus
TAKAMATSU NAOYOSHI4 citations73
US8760097B2Jun 24, 2014
Control device for converter and electrically powered vehicle provided with the same
TAKAMATSU NAOYOSHI4 citations72
US9374022B2Jun 21, 2016
Control apparatus and control method for voltage conversion apparatus
TAKAMATSU NAOYOSHI2 citations63
US8866430B2Oct 21, 2014
Apparatus for controlling boost converter
TAKAMATSU NAOYOSHI3 citations63
US8575875B2Nov 5, 2013
Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter
TAKAMATSU NAOYOSHI4 citations63
US8525455B2Sep 3, 2013
Motor actuation control device
TAKAMATSU NAOYOSHI2 citations63
US8499873B2Aug 6, 2013
Motor device mounted on mobile body and mobile body having the motor device mounted thereon
TAKAMATSU NAOYOSHI2 citations60
US9178449B2Nov 3, 2015
Motor drive system control apparatus
TAKAMATSU NAOYOSHI1 citations52
US8477518B2Jul 2, 2013
Device for driving inverter
TAKAMATSU NAOYOSHI1 citations52
US8490725B2Jul 23, 2013
Motor insulation protecting device, and vehicle having the device
TAKAMATSU NAOYOSHI1 citations49
US8653772B2Feb 18, 2014
Control device for voltage conversion device, vehicle incorporating the same, and control method for voltage conversion device
TAKAMATSU NAOYOSHI0 citations42
YOSHINAGA FUMITAKA
3 patentsUS8274778B2Sep 25, 2012
Capacitor
YOSHINAGA FUMITAKA80 citations96
US8112853B2Feb 14, 2012
Method of manufacturing capacitor-integrated busbar
YOSHINAGA FUMITAKA19 citations91
US8264098B2Sep 11, 2012
Load driving device including first and second electric power lines between power supply and electric power conversion device
YOSHINAGA FUMITAKA3 citations61
TOYOTA CHUO KENKYUSHO KK
3 patentsUS10199155B2Feb 5, 2019
Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elements
TOYOTA CHUO KENKYUSHO KK2 citations73
US9935548B2Apr 3, 2018
Power supply system having two DC power supplies
TOYOTA CHUO KENKYUSHO KK1 citations52
US10135327B2Nov 20, 2018
Power supply system
TOYOTA CHUO KENKYUSHO KK0 citations42