Inventor
TSUBOI TAKASHI
US35 patents
⚠️ This page may combine multiple inventors who share the name “TSUBOI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS4335337AJun 15, 1982
Control system for electric motor vehicle
HITACHI LTD68 citations96
US4068152AJan 10, 1978
Power supply system for a linear motor
HITACHI LTD45 citations89
US5214557AMay 25, 1993
D.c. vacuum circuit breaker for an electric motor vehicle
HITACHI LTD33 citations87
US3947740AMar 30, 1976
Regenerative brake control system for DC motor
HITACHI LTD30 citations82
US3940669AFeb 24, 1976
AC motor control system
HITACHI LTD26 citations82
US4327313AApr 27, 1982
Control apparatus for electric car
HITACHI LTD27 citations81
US4020411AApr 26, 1977
Static power converter controlling apparatus for reducing noise generated by phase shift control
HITACHI LTD21 citations78
US4338558AJul 6, 1982
Induction motor control system and method
HITACHI LTD14 citations74
US4171506AOct 16, 1979
Control apparatus for an electric car
HITACHI LTD7 citations74
US4030018AJun 14, 1977
Power converter system
HITACHI LTD16 citations74
US3983465ASep 28, 1976
Electric braking control apparatus for DC motor
HITACHI LTD17 citations73
US4864385ASep 5, 1989
Power semiconductors connected antiparallel via heatsinks
HITACHI LTD14 citations71
US4122515AOct 24, 1978
High harmonic current reducing apparatus in power converter
HITACHI LTD13 citations71
US5583385ADec 10, 1996
Power converting device for reducing an induction problem
HITACHI LTD11 citations70
US4644240AFeb 17, 1987
Method and apparatus for controlling reverse-conducting GTO thyristor
HITACHI LTD3 citations63
DENSO CORP
6 patentsUS9997980B2Jun 12, 2018
Receiving member and drive apparatus including the same
DENSO CORP7 citations84
US9351432B2May 24, 2016
Driver device
DENSO CORP15 citations84
US10630150B2Apr 21, 2020
Housing member and drive device having the same
DENSO CORP6 citations73
US9444310B2Sep 13, 2016
Motor drive apparatus having a motor, rotor, stator and heat sink
DENSO CORP5 citations70
US10117347B2Oct 30, 2018
Accommodation device for electronic parts
DENSO CORP4 citations65
US10855133B2Dec 1, 2020
Drive device
DENSO CORP1 citations62
CANON KK
3 patentsUS7256104B2Aug 14, 2007
Substrate manufacturing method and substrate processing apparatus
CANON KK262 citations97
US11844233B2Dec 12, 2023
Organic light-emitting element, method for producing organic light-emitting element, organic light-emitting device, method for producing organic light-emitting device, lighting device, moving object, image pickup device, and electronic apparatus
CANON KK0 citations62
US11342535B2May 24, 2022
Organic light-emitting element, method for producing organic light-emitting element, organic light-emitting device, method for producing organic light-emitting device, lighting device, moving object, image pickup device, and electronic apparatus
CANON KK0 citations62