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Takashi Omori
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Hitachi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gas-insulated switchgear tank
Patent number
7,193,172
Issue date
Mar 20, 2007
Hitachi, Ltd.
Toshiaki Rokunohe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switchgear and receiving transformation apparatus using the same
Patent number
7,130,172
Issue date
Oct 31, 2006
Hitachi, Ltd.
Yoshiaki Inami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas insulated switchgear
Patent number
6,469,270
Issue date
Oct 22, 2002
Hitachi, Ltd.
Takashi Omori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Gas-insulated switchgear tank
Publication number
20060186091
Publication date
Aug 24, 2006
Hitachi Ltd.
Toshiaki Rokunohe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Switchgear and receiving transformation apparatus using the same
Publication number
20050201028
Publication date
Sep 15, 2005
Yoshiaki Inami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas-insulated switchgear tank
Publication number
20050056617
Publication date
Mar 17, 2005
Toshiaki Rokunohe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Switchgear and receiving transformation apparatus using the same
Publication number
20030112574
Publication date
Jun 19, 2003
Yoshiaki Inami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bus container assembling methid thereof and gas insulated switchear...
Publication number
20020153352
Publication date
Oct 24, 2002
Kenji Aoyagi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER