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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for measuring fixing force
Patent number
9,261,421
Issue date
Feb 16, 2016
Mitsubishi Hitachi Power Systems, Ltd.
Yoshitaka Tsutsui
G01 - MEASURING TESTING
Information
Patent Grant
Tightness measuring apparatus and measuring method
Patent number
9,255,908
Issue date
Feb 9, 2016
Mitsubishi Hitachi Power Systems, Ltd.
Yoshitaka Tsutsui
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for analyzing growth of void of resin in a porous material
Patent number
8,972,226
Issue date
Mar 3, 2015
Hitachi, Ltd.
Hiroki Nakatsuchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for predicting volume change of void generated in resin fill...
Patent number
8,543,363
Issue date
Sep 24, 2013
Hitachi, Ltd.
Tsutomu Kono
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Winding applied single vacuum pressure impregnation insulation syst...
Patent number
8,314,342
Issue date
Nov 20, 2012
Hitachi, Ltd.
Kenji Ikeda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating electrical machine winding, rotating electrical machine, a...
Patent number
7,804,218
Issue date
Sep 28, 2010
Hitachi, Ltd.
Yutaka Higashimura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Insulating material and electric machine winding and method for man...
Patent number
6,746,758
Issue date
Jun 8, 2004
Hitachi, Ltd.
Tomoya Tsunoda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Insulating material, windings using same, and a manufacturing metho...
Patent number
6,504,102
Issue date
Jan 7, 2003
Hitachi, Ltd.
Tomoya Tsunoda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric rotating machine
Patent number
6,426,578
Issue date
Jul 30, 2002
Hitachi, Ltd.
Hideaki Mori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Insulating material windings using same and a manufacturing method...
Patent number
6,288,341
Issue date
Sep 11, 2001
Hitachi, Ltd.
Tomoya Tsunoda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric rotating machine with reduced thickness and volume of insu...
Patent number
6,242,825
Issue date
Jun 5, 2001
Hitachi, Ltd.
Hideaki Mori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Insulating material and windings thereby
Patent number
6,069,430
Issue date
May 30, 2000
Hitachi, Ltd.
Tomoya Tsunoda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sheet material for electrical insulation, prepreg and electrically...
Patent number
5,691,058
Issue date
Nov 25, 1997
Hitachi, Ltd.
Hiroshi Miyao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Method for Measuring Fixing Force
Publication number
20140260526
Publication date
Sep 18, 2014
Hitachi, Ltd
Yoshitaka TSUTSUI
G01 - MEASURING TESTING
Information
Patent Application
TIGHTNESS MEASURING APPARATUS AND MEASURING METHOD
Publication number
20140020470
Publication date
Jan 23, 2014
Hitachi, Ltd
Yoshitaka Tsutsui
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR ANALYZING GROWTH OF VOID OF RESIN IN A POROUS MATERIAL
Publication number
20120095731
Publication date
Apr 19, 2012
Hitachi, Ltd.
Hiroki NAKATSUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR PREDICTING VOLUME CHANGE OF VOID GENERATED IN RESIN FILL...
Publication number
20110112812
Publication date
May 12, 2011
Tsutomu KONO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ROTATING ELECTRICAL MACHINE WINDING, ROTATING ELECTRICAL MACHINE, A...
Publication number
20080106157
Publication date
May 8, 2008
Yutaka Higashimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WINDING APPLIED SINGLE VACUUM PRESSURE IMPREGNATION INSULATION SYST...
Publication number
20070252449
Publication date
Nov 1, 2007
Kenji Ikeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Insulating material and electric machine winding and method for man...
Publication number
20040226740
Publication date
Nov 18, 2004
Hitachi, Ltd.
Tomoya Tsunoda
B32 - LAYERED PRODUCTS
Information
Patent Application
Insulating material and electric machine winding and method for man...
Publication number
20030035960
Publication date
Feb 20, 2003
Hitachi, Ltd.
Tomoya Tsunoda
B32 - LAYERED PRODUCTS
Information
Patent Application
Electric rotating machine
Publication number
20020070621
Publication date
Jun 13, 2002
Hideaki Mori
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Insulating material, windings using same, and a manufacturing metho...
Publication number
20020056569
Publication date
May 16, 2002
Tomoya Tsunoda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER