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Yasuhiro Tennichi
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Hitachi, JP
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last 30 patents
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Patent Grant
Process control method and system with employment of fuzzy inference
Patent number
5,410,470
Issue date
Apr 25, 1995
Hitachi, Ltd.
Hiromasa Yamaoka
G05 - CONTROLLING REGULATING
Information
Patent Grant
Process control system and method thereof
Patent number
4,825,352
Issue date
Apr 25, 1989
Hitachi, Ltd.
Tadahiko Iijima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Steam turbine governor system and method of controlling the same
Patent number
4,658,590
Issue date
Apr 21, 1987
Hitachi, Ltd.
Toshihiko Higashi
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
Rotor-stress preestimating turbine control system
Patent number
4,228,359
Issue date
Oct 14, 1980
Hitachi, Ltd.
Hiroshi Matsumoto
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