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Hiroshi Miyata
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Mito, JP
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last 30 patents
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Patent Grant
System for administering life of plant
Patent number
5,027,268
Issue date
Jun 25, 1991
Hitachi, Ltd.
Shigeo Sakurai
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Method and apparatus for estimating life expectancy of mechanical s...
Patent number
4,875,170
Issue date
Oct 17, 1989
Hitachi, Ltd.
Shigeo Sakurai
G07 - CHECKING-DEVICES