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Sadao Yanada
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Hitachi, JP
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last 30 patents
Information
Patent Grant
Servo valve control apparatus
Patent number
5,214,913
Issue date
Jun 1, 1993
Hitachi, Ltd.
Yukiyoshi Tani
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
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
Sequence display apparatus and method
Patent number
4,445,169
Issue date
Apr 24, 1984
The Tokyo Electric Co., Inc.
Tadayoshi Wakita
G06 - COMPUTING CALCULATING COUNTING