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Toshiaki Yachi
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Kodaira, JP
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last 30 patents
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Patent Grant
System for quality control where inspection frequency of inspection...
Patent number
6,002,989
Issue date
Dec 14, 1999
Hitachi, Ltd.
Masataka Shiba
G05 - CONTROLLING REGULATING
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Patent Grant
Automatic contaminants detection apparatus
Patent number
4,614,427
Issue date
Sep 30, 1986
Hitachi, Ltd.
Mitsuyoshi Koizumi
G01 - MEASURING TESTING