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Naoki Kangai
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Hitachi, JP
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Patents Grants
last 30 patents
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Patent Grant
Condenser, power plant equipment and power plant operation method
Patent number
6,655,144
Issue date
Dec 2, 2003
Hitachi, Ltd.
Naoki Kangai
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Condenser, power plant equipment and power plant operation method
Patent number
6,293,104
Issue date
Sep 25, 2001
Hitachi, Ltd.
Naoki Kangai
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Condenser, power plant equipment and power plant operation method
Publication number
20020029572
Publication date
Mar 14, 2002
Naoki Kangai
F28 - HEAT EXCHANGE IN GENERAL