Inventor
YAMAKAWA TOSHIFUMI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAWA TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
12 patentsUS9837888B2Dec 5, 2017
Boost control apparatus based on output current change amount
TOYOTA MOTOR CO LTD3 citations73
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
US11183962B2Nov 23, 2021
Driving system
TOYOTA MOTOR CO LTD0 citations61
US10164551B2Dec 25, 2018
Boost control apparatus based on output current change rate
TOYOTA MOTOR CO LTD1 citations52
US12157394B2Dec 3, 2024
Controller for electrified vehicle
TOYOTA MOTOR CO LTD0 citations51
US10103664B2Oct 16, 2018
Vehicle control apparatus
TOYOTA MOTOR CO LTD1 citations50
US9979344B2May 22, 2018
Controller for electric motor system
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
US9553541B2Jan 24, 2017
Electric motor control apparatus
TOYOTA MOTOR CO LTD0 citations42
US10363831B2Jul 30, 2019
Electrical power system
TOYOTA MOTOR CO LTD0 citations41
US10069396B2Sep 4, 2018
Electrical power system
TOYOTA MOTOR CO LTD0 citations36
YAMAKAWA TOSHIFUMI
6 patentsUS8558500B2Oct 15, 2013
Control system for AC motor
YAMAKAWA TOSHIFUMI13 citations83
US8324856B2Dec 4, 2012
Motor drive control apparatus, vehicle with motor drive control apparatus, and motor drive control method
YAMAKAWA TOSHIFUMI16 citations83
US8089241B2Jan 3, 2012
Motor drive control apparatus, vehicle equipped with motor drive control apparatus, and motor drive control method
YAMAKAWA TOSHIFUMI9 citations83
US8264181B2Sep 11, 2012
Controller for motor drive control system
YAMAKAWA TOSHIFUMI11 citations81
US8395277B2Mar 12, 2013
Control device and control method for vehicle
YAMAKAWA TOSHIFUMI5 citations72
US8482234B2Jul 9, 2013
Motor drive control device
YAMAKAWA TOSHIFUMI3 citations62