Inventor
HOMBU MITSUYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HOMBU MITSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6414867B2Jul 2, 2002
Power inverter
HITACHI LTD169 citations97
US6696812B2Feb 24, 2004
Control apparatus for electric motor
HITACHI LTD54 citations96
US6555988B2Apr 29, 2003
Motor control device
HITACHI LTD67 citations96
US5298848AMar 29, 1994
Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor
HITACHI LTD79 citations94
US7406389B2Jul 29, 2008
State detecting system and device employing the same
HITACHI LTD16 citations92
US6914408B2Jul 5, 2005
Motor control apparatus and electric vehicle using same
HITACHI LTD19 citations92
US4870556ASep 26, 1989
Method and apparatus for controlling power converter
HITACHI LTD28 citations92
US4672520AJun 9, 1987
Current-source power converting apparatus with self-extinction devices
HITACHI LTD29 citations92
US4599685AJul 8, 1986
Control circuit for power converter apparatus
HITACHI LTD33 citations92
US5424937AJun 13, 1995
Gate drive power source for electric power converter
HITACHI LTD21 citations91
US4875539AOct 24, 1989
Electric power steering control system
HITACHI LTD45 citations91
US4926306AMay 15, 1990
Electric power converter
HITACHI LTD27 citations89
US4926960AMay 22, 1990
Electric power steering apparatus for vehicle
HITACHI LTD21 citations80
US4581693AApr 8, 1986
Apparatus for repeatedly applying short-circuit pulses to a current type inverter for output current control
HITACHI LTD18 citations74
US4960178AOct 2, 1990
Motor-driven power steering apparatus
HITACHI LTD10 citations73
US4757436AJul 12, 1988
Current-type converter protecting apparatus
HITACHI LTD13 citations73
US5033565AJul 23, 1991
Motor-driven power steering apparatus
HITACHI LTD18 citations72
US4549259AOct 22, 1985
Gate control circuit for current-type inverter apparatus
HITACHI LTD4 citations63