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Hiroshi Usami
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Tokyo, JP
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last 30 patents
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Patent Grant
Magnetic recording/playback apparatus
Patent number
6,157,508
Issue date
Dec 5, 2000
TEAC Corporation
Hiroshi Usami
G11 - INFORMATION STORAGE
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Patent Grant
Optical tracking control apparatus for controlling a tracking of a...
Patent number
4,933,925
Issue date
Jun 12, 1990
Teac Corporation
Hirohisa Yamaguchi
G11 - INFORMATION STORAGE