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Masahiro Mitamura
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Odawara, JP
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last 30 patents
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Patent Grant
Phase and period synchronization for a slave disk drive
Patent number
5,159,503
Issue date
Oct 27, 1992
Hitachi, Ltd.
Masahiro Mitamura
G11 - INFORMATION STORAGE
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Patent Grant
Control method and apparatus for positioning servo system
Patent number
4,703,242
Issue date
Oct 27, 1987
Hitachi, Ltd.
Kiyotake Kumazawa
G05 - CONTROLLING REGULATING
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Patent Grant
Positioning method and apparatus therefor
Patent number
4,490,662
Issue date
Dec 25, 1984
Hitachi, Ltd.
Yoshihiro Moribe
G11 - INFORMATION STORAGE