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Patents Grants
last 30 patents
Information
Patent Grant
Forced cooling rotary electric machine
Patent number
8,049,378
Issue date
Nov 1, 2011
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotary electrical device having particular coil support structure
Patent number
7,939,977
Issue date
May 10, 2011
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Forced cooling rotary electric machine
Patent number
7,898,128
Issue date
Mar 1, 2011
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor of rotary-electric machine
Patent number
7,893,574
Issue date
Feb 22, 2011
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor of rotary-electric machine
Patent number
7,638,909
Issue date
Dec 29, 2009
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Armature windings and dynamo-electric machine using the same
Patent number
7,368,842
Issue date
May 6, 2008
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotary electric machine
Patent number
6,674,210
Issue date
Jan 6, 2004
Hitachi, Ltd.
Hiroshi Aoyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric rotary machine
Patent number
6,288,461
Issue date
Sep 11, 2001
Hitachi, Ltd.
Hideaki Mori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
FORCED COOLING ROTARY ELECTRIC MACHINE
Publication number
20110101801
Publication date
May 5, 2011
Kenichi HATTORI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTOR OF ROTARY-ELECTRIC MACHINE
Publication number
20100045126
Publication date
Feb 25, 2010
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FORCED COOLING ROTARY ELECTRIC MACHINE
Publication number
20080169710
Publication date
Jul 17, 2008
Kenichi HATTORI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotor for rotary electrical device
Publication number
20070222333
Publication date
Sep 27, 2007
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotor of rotary-electric machine
Publication number
20070085428
Publication date
Apr 19, 2007
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Armature windings and dynamo-electric machine using the same
Publication number
20060028086
Publication date
Feb 9, 2006
Hitachi, Ltd
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Armature windings and dynamo-electric machine using the same
Publication number
20050116573
Publication date
Jun 2, 2005
Hitachi, Ltd.
Kenichi Hattori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotary electric machine
Publication number
20030057795
Publication date
Mar 27, 2003
Hiroshi Aoyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER