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Kazunobu Hayakawa
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Chofu, JP
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last 30 patents
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Patent Grant
Spin-polarization detector
Patent number
4,954,770
Issue date
Sep 4, 1990
Hitachi, Ltd.
Hideo Matsuyama
G01 - MEASURING TESTING
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Patent Grant
Scanning electron microscope
Patent number
4,658,138
Issue date
Apr 14, 1987
Hitachi, Ltd.
Kazuyuki Koike
H01 - BASIC ELECTRIC ELEMENTS