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Mutsuhiro Terunuma
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Mito-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Control apparatus of power conversion system
Patent number
7,965,056
Issue date
Jun 21, 2011
Hitachi, Ltd.
Mutsuhiro Terunuma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric power converting system with integrator providing output i...
Patent number
6,304,472
Issue date
Oct 16, 2001
Hitachi, Ltd.
Masahiro Nagasu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric power conversion equipment
Patent number
5,680,299
Issue date
Oct 21, 1997
Hitachi, Ltd.
Kouji Yasuda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Three level power converting apparatus having means for balancing D...
Patent number
5,627,742
Issue date
May 6, 1997
Hitachi, Ltd.
Kiyoshi Nakata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric power converting apparatus
Patent number
5,587,891
Issue date
Dec 24, 1996
Hitachi, Ltd.
Kiyoshi Nakata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Control apparatus of power converter and control apparatus of elect...
Patent number
5,506,765
Issue date
Apr 9, 1996
Hitachi, Ltd.
Kiyoshi Nakata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Multilevel inverter having voltage dividing capacitors distributed...
Patent number
5,481,448
Issue date
Jan 2, 1996
Hitachi, Ltd.
Kiyoshi Nakata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric power converting apparatus
Patent number
5,467,262
Issue date
Nov 14, 1995
Hitachi, Ltd.
Kiyoshi Nakata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric power converter arrangement and electric rolling stock con...
Patent number
5,375,050
Issue date
Dec 20, 1994
Hitachi, Ltd.
Kiyoshi Nakata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power converter system
Patent number
4,245,293
Issue date
Jan 13, 1981
Hitachi, Ltd.
Mutsuhiro Terunuma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault detecting system for a control system
Patent number
4,171,505
Issue date
Oct 16, 1979
Hitachi, Ltd.
Seiya Shima
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Thyristor fault-detecting apparatus
Patent number
4,133,018
Issue date
Jan 2, 1979
Hitachi, Ltd.
Mutsuhiro Terunuma
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
CONTROL APPARATUS OF POWER CONVERSION SYSTEM
Publication number
20080266920
Publication date
Oct 30, 2008
Hitachi, Ltd.
Mutsuhiro Terunuma
B60 - VEHICLES IN GENERAL