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Naganobu Honda
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Hitachi, JP
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last 30 patents
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Patent Grant
Apparatus for controlling drum water level of drum type boiler
Patent number
4,619,224
Issue date
Oct 28, 1986
Hitachi, Ltd.
Atsushi Takita
F22 - STEAM GENERATION
Information
Patent Grant
Method of controlling operation of thermoelectric power station
Patent number
4,558,227
Issue date
Dec 10, 1985
Hitachi, Ltd.
Sadao Yanada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Control apparatus for steam turbine
Patent number
4,461,152
Issue date
Jul 24, 1984
Hitachi, Ltd.
Yasuhiro Tennichi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Electro-hydraulic governor employing duplex digital controller system
Patent number
4,153,198
Issue date
May 8, 1979
Hitachi, Ltd.
Yurio Eki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES