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Seigo Yukutake
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power converter unit
Patent number
7,561,429
Issue date
Jul 14, 2009
Hitachi, Ltd.
Koichi Yahata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit device and manufacturing method th...
Patent number
6,445,055
Issue date
Sep 3, 2002
Hitachi, Ltd.
Takayuki Iwasakii
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Power Converter Unit
Publication number
20080112201
Publication date
May 15, 2008
Hitachi, Ltd
Koichi YAHATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and manufacturing method th...
Publication number
20020017686
Publication date
Feb 14, 2002
Takayuki Iwasakii
H01 - BASIC ELECTRIC ELEMENTS