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Hiroshi Toita
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Katsuta, JP
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last 30 patents
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Patent Grant
Secondary ion mass analyzing apparatus
Patent number
5,086,227
Issue date
Feb 4, 1992
Hitachi, Ltd.
Hiroshi Toita
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Composite apparatus with secondary ion mass spectrometry instrument...
Patent number
5,008,537
Issue date
Apr 16, 1991
Hitachi, Ltd.
Hiroshi Toita
H01 - BASIC ELECTRIC ELEMENTS