Inventor
TAJIMA FUMIO
JP88 patents
⚠️ This page may combine multiple inventors who share the name “TAJIMA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
43 patentsUS6208054B1Mar 27, 2001
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
HITACHI LTD126 citations99
US6034460AMar 7, 2000
Permanent magnet rotating electric machine and electrically driven vehicle employing same
HITACHI LTD130 citations99
US5811904ASep 22, 1998
Permanent magnet dynamo electric machine
HITACHI LTD139 citations99
US5549172AAug 27, 1996
Electric vehicle drive system and drive method
HITACHI LTD201 citations99
US7151335B2Dec 19, 2006
Permanent magnet rotating electric machine and electric car using the same
HITACHI LTD86 citations98
US6229241B1May 8, 2001
Structure and manufacturing method for motor and stator
HITACHI LTD90 citations98
US6211587B1Apr 3, 2001
Electric rotating machine
HITACHI LTD99 citations98
US6876117B2Apr 5, 2005
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
HITACHI LTD35 citations96
US6849983B2Feb 1, 2005
Rotary machine having bypath magnetic path blocking magnetic barrier
HITACHI LTD56 citations96
US6798103B2Sep 28, 2004
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
HITACHI LTD35 citations96
US6734592B2May 11, 2004
Permanent magnet rotating electric machine and electrically driven vehicle employing same
HITACHI LTD30 citations96
US6445100B2Sep 3, 2002
Permanent magnet dynamo electric machine
HITACHI LTD57 citations96
US6396183B1May 28, 2002
Permanent magnet rotating electric machine and electrically driven vehicle employing same
HITACHI LTD46 citations96
US6133662AOct 17, 2000
Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same
HITACHI LTD73 citations96
US6037695AMar 14, 2000
Vehicle alternator having improved rotating yoke
HITACHI LTD62 citations96
US6034459AMar 7, 2000
Permanent magnet type dynamo electric machine and electric vehicle using the same
HITACHI LTD72 citations96
US5664542ASep 9, 1997
Electronic throttle system
HITACHI LTD49 citations96
US5431141AJul 11, 1995
Electronic throttle system
HITACHI LTD46 citations96
US4874053AOct 17, 1989
Torque detecting apparatus
HITACHI LTD118 citations96
US4672253AJun 9, 1987
Permanent magnet electrical machine with reduced cogging
HITACHI LTD150 citations96
US5744880AApr 28, 1998
Rotating motor and motor-driven vehicle
HITACHI LTD122 citations95
US4879502ANov 7, 1989
Speed control apparatus and method for motors
HITACHI LTD84 citations95
US5936323AAug 10, 1999
Permanent magnet rotation type rotary machine and manufacturing method thereof
HITACHI LTD63 citations94
US5038065AAug 6, 1991
Permanent magnet reversible synchronous motor
HITACHI LTD93 citations94
US7521832B2Apr 21, 2009
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine
HITACHI LTD28 citations93
US7425786B2Sep 16, 2008
Permanent magnet type rotating electrical machine
HITACHI LTD26 citations93
US6822360B2Nov 23, 2004
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
HITACHI LTD19 citations93
US6815858B2Nov 9, 2004
Permanent magnet rotating electric machine
HITACHI LTD23 citations93
US6661147B2Dec 9, 2003
Electric vehicle and rotary electric machine having a divided rotor core
HITACHI LTD32 citations93
US6559637B2May 6, 2003
Non-contact rotational position sensor and throttle valve assembly including non-contact rotational position sensor
HITACHI LTD32 citations93
US6452302B1Sep 17, 2002
Rotary electric machine and electric vehicle using the same
HITACHI LTD22 citations93
US6429565B1Aug 6, 2002
Permanent magnet type electric rotating machine and hybrid electric vehicle using it
HITACHI LTD36 citations93
US6242837B1Jun 5, 2001
Permanent magnet rotary machine and electric vehicle using the same
HITACHI LTD27 citations93
US6239525B1May 29, 2001
Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same
HITACHI LTD39 citations93
US6188157B1Feb 13, 2001
Parmanent magnet dynamo electric machine
HITACHI LTD27 citations93
US7750529B2Jul 6, 2010
Electric Pump
HITACHI LTD20 citations92
US7417349B2Aug 26, 2008
Driving apparatus
HITACHI LTD11 citations92
US6222296B1Apr 24, 2001
Electric motor having a stator with an end core part having a different shape than a central core part
HITACHI LTD22 citations92
US5990657ANov 23, 1999
Inverter system and control system for electric vehicle
HITACHI LTD40 citations92
US5517966AMay 21, 1996
Electronic throttle system
HITACHI LTD26 citations92
US5453972ASep 26, 1995
Optical disk apparatus
HITACHI LTD34 citations92
US5432644AJul 11, 1995
Disk drive unit having motor components in a compact arrangement
HITACHI LTD48 citations92
US5298841AMar 29, 1994
Apparatus for controlling the speed of a moving object
HITACHI LTD26 citations92
HITACHI CAR ENG CO LTD
4 patentsUS7196447B2Mar 27, 2007
Rotating electric machine
HITACHI CAR ENG CO LTD24 citations96
US7119470B2Oct 10, 2006
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine
HITACHI CAR ENG CO LTD22 citations96
US7215055B2May 8, 2007
Vehicle
HITACHI CAR ENG CO LTD13 citations92
US6949856B2Sep 27, 2005
Permanent magnet rotating electric machine and electrically driven vehicle employing same
HITACHI CAR ENG CO LTD22 citations92
TAJIMA FUMIO
2 patentsUSRE44037EMar 5, 2013
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine
TAJIMA FUMIO19 citations92
US8067871B2Nov 29, 2011
Permanent magnet rotating electric machine and electric car using the same
TAJIMA FUMIO15 citations92
TOSHIBA KK
1 patentShowing the top 50 of 88 patents by PatentIndex Score.