Inventor
TAHARA KAZUO
JP52 patents
⚠️ This page may combine multiple inventors who share the name “TAHARA KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
47 patentsUS6191545B1Feb 20, 2001
Control apparatus of brushless motor and machine and apparatus using brushless motor
HITACHI LTD94 citations98
US5239490AAug 24, 1993
Device for detecting rotation of rotary shaft and rotation controlling apparatus using the same
HITACHI LTD126 citations98
US5481460AJan 2, 1996
Controller for electric vehicle
HITACHI LTD109 citations97
US5243732ASep 14, 1993
Vacuum cleaner with fuzzy logic control
HITACHI LTD142 citations97
US6198240B1Mar 6, 2001
Motor controller
HITACHI LTD67 citations96
US6037695AMar 14, 2000
Vehicle alternator having improved rotating yoke
HITACHI LTD62 citations96
US5231344AJul 27, 1993
Control apparatus for electric generator
HITACHI LTD75 citations96
US4880474ANov 14, 1989
Method and apparatus for operating vacuum cleaner
HITACHI LTD125 citations96
US6462430B1Oct 8, 2002
Hybrid car and dynamo-electric machine
HITACHI LTD67 citations95
US5208502AMay 4, 1993
Sliding current collector made of ceramics
HITACHI LTD73 citations95
US7395888B2Jul 8, 2008
Vehicle drive device
HITACHI LTD26 citations93
US6653745B1Nov 25, 2003
Power source apparatus for a car
HITACHI LTD41 citations93
US5359278AOct 25, 1994
Zero current switching circuit and converting apparatus using the same
HITACHI LTD41 citations93
US6833646B2Dec 21, 2004
Hybrid car and dynamo-electric machine
HITACHI LTD36 citations92
US6626002B1Sep 30, 2003
Controller for PWM/PAM motor, air conditioner, and method of motor control
HITACHI LTD33 citations92
US6603280B2Aug 5, 2003
Motor controller
HITACHI LTD29 citations92
US6577022B2Jun 10, 2003
Hybrid car and dynamo-electric machine
HITACHI LTD27 citations92
US6541880B2Apr 1, 2003
Linear motor
HITACHI LTD21 citations92
US6479956B1Nov 12, 2002
Brushless motor control device and equipment using the control device
HITACHI LTD50 citations92
US6337548B2Jan 8, 2002
Control apparatus of brushless motor and machine and apparatus using brushless motor
HITACHI LTD37 citations92
US6104118AAug 15, 2000
Alternating current generator for use in vehicle
HITACHI LTD35 citations92
US5404717AApr 11, 1995
Method and system for controlling internal combustion engine with air pump
HITACHI LTD25 citations92
US5294872AMar 15, 1994
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US5166585ANov 24, 1992
Motor control apparatus for an electric vacuum cleaner
HITACHI LTD28 citations92
US4983895AJan 8, 1991
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US4958406ASep 25, 1990
Method and apparatus for operating vacuum cleaner
HITACHI LTD41 citations92
US4865148ASep 12, 1989
Vehicle height control apparatus responsive to power steering operation
HITACHI LTD45 citations92
US4823037AApr 18, 1989
DC Electric motor having field poles of permanent magnet
HITACHI LTD26 citations92
US5381584AJan 17, 1995
Vacuum cleaner
HITACHI LTD27 citations91
US4875539AOct 24, 1989
Electric power steering control system
HITACHI LTD45 citations91
US5118960AJun 2, 1992
Starter device
HITACHI LTD24 citations90
US7759837B2Jul 20, 2010
Rotating electrical machine
HITACHI LTD11 citations84
US7057327B2Jun 6, 2006
Vehicular alternator
HITACHI LTD17 citations83
US5015905AMay 14, 1991
DC dynamoelectric machine with interpoles having magnetic flux bypassing members
HITACHI LTD21 citations80
US4926960AMay 22, 1990
Electric power steering apparatus for vehicle
HITACHI LTD21 citations80
US5266860ANov 30, 1993
Commutator
HITACHI LTD10 citations74
US4639625AJan 27, 1987
Direct-current machine having permanent magnet field system
HITACHI LTD8 citations74
US4451752AMay 29, 1984
Stator of D.C. rotary machine
HITACHI LTD18 citations74
US5089737AFeb 18, 1992
Dc rotary electric machine of permanent magnet field type
HITACHI LTD8 citations73
US5075607ADec 24, 1991
Method and apparatus for operating vacuum cleaner
HITACHI LTD10 citations73
US4960178AOct 2, 1990
Motor-driven power steering apparatus
HITACHI LTD10 citations73
US4794291ADec 27, 1988
Permanent magnet field DC machine
HITACHI LTD16 citations73
US4703210AOct 27, 1987
Miniature electric non-uniform magnetization rotating machine
HITACHI LTD13 citations73
US4454460AJun 12, 1984
D.C. Rotary machine with interpole compensation
HITACHI LTD10 citations73
US5033565AJul 23, 1991
Motor-driven power steering apparatus
HITACHI LTD18 citations72
US4467234AAug 21, 1984
Armature of rotating machine with means to balance the mutual inductance of adjacent pairs of coils
HITACHI LTD10 citations72
US5155885AOct 20, 1992
Vacuum cleaner and method for operating the same
HITACHI LTD12 citations70
HITACHI CAR ENG CO LTD
2 patentsNIPPON SEIHAKU KABUSHIKI KAISH
1 patentShowing the top 50 of 52 patents by PatentIndex Score.