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Yoshio Eguchi
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Hitachi, JP
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Patents Grants
last 30 patents
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Patent Grant
Switching element, power converter, direct current transmission sys...
Patent number
9,219,426
Issue date
Dec 22, 2015
Hitachi, Ltd.
Takayoshi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wind turbine generator system
Patent number
7,145,262
Issue date
Dec 5, 2006
Hitachi, Ltd.
Akira Kikuchi
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Wind turbine generator system
Patent number
7,095,132
Issue date
Aug 22, 2006
Hitachi, Ltd.
Akira Kikuchi
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Patents Applications
last 30 patents
Information
Patent Application
Power Conversion Apparatus and Control Method Thereof
Publication number
20140078796
Publication date
Mar 20, 2014
Hitachi, Ltd
Shigenori INOUE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching Element, Power Converter, Direct Current Transmission Sys...
Publication number
20130208519
Publication date
Aug 15, 2013
Hitachi, Ltd
Takayoshi YAMAMOTO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
WIND TURBINE GENERATOR SYSTEM
Publication number
20060214429
Publication date
Sep 28, 2006
Akira Kikuchi
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Wind turbine generator system
Publication number
20050017512
Publication date
Jan 27, 2005
Akira Kikuchi
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...