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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rotating electric machine and cooling method thereof
Patent number
6,936,939
Issue date
Aug 30, 2005
Hitachi, Ltd.
Kazumasa Ide
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating electric machine
Patent number
6,737,768
Issue date
May 18, 2004
Hitachi, Ltd.
Kazumasa Ide
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dynamo-electric machine
Patent number
6,724,107
Issue date
Apr 20, 2004
Hitachi, Ltd.
Kazumasa Ide
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine with plural coolers in plural ventilation passages
Patent number
6,538,351
Issue date
Mar 25, 2003
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine
Patent number
6,359,351
Issue date
Mar 19, 2002
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Armature winding and rotating electric machine using the same
Patent number
6,359,361
Issue date
Mar 19, 2002
Hitachi, Ltd.
Shinichi Wakui
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine
Patent number
6,265,795
Issue date
Jul 24, 2001
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine
Patent number
6,262,501
Issue date
Jul 17, 2001
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine
Patent number
6,262,502
Issue date
Jul 17, 2001
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating machine
Patent number
6,201,323
Issue date
Mar 13, 2001
Hitachi, Ltd.
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Microwave plasma processing apparatus
Patent number
5,449,411
Issue date
Sep 12, 1995
Hitachi, Ltd.
Takuya Fukuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Microwave plasma processing apparatus
Patent number
5,243,259
Issue date
Sep 7, 1993
Hitachi, Ltd.
Junji Sato
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Rotating electric machine and cooling method thereof
Publication number
20040189110
Publication date
Sep 30, 2004
Kazumasa Ide
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotating machine
Publication number
20020101121
Publication date
Aug 1, 2002
Akitomi Semba
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER