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Hidesumi Kuwashima
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Hitachi, JP
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last 30 patents
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Patent Grant
Governing mode change-over apparatus
Patent number
4,714,401
Issue date
Dec 22, 1987
Hitachi, Ltd.
Hiraku Ikeda
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus for making diagnosis of valve device in turbine system
Patent number
4,523,286
Issue date
Jun 11, 1985
Hitachi, Ltd.
Tsuguaki Koga
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Combined valve
Patent number
4,481,776
Issue date
Nov 13, 1984
Hitachi, Ltd.
Tutomu Araki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method and apparatus for operating a cross-compound turbine generat...
Patent number
4,316,362
Issue date
Feb 23, 1982
Hitachi, Ltd.
Satoshi Ninomiya
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES