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Masakatsu Hosoya
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Chiba, JP
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last 30 patents
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Patent Grant
Disk unit and process for assembling transmission mechanism used fo...
Patent number
5,886,977
Issue date
Mar 23, 1999
Sony Corporation
Toshiro Ota
G11 - INFORMATION STORAGE
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Patent Grant
Disk unit and process for assembling transmission mechanism used fo...
Patent number
5,777,978
Issue date
Jul 7, 1998
Sony Corporation
Toshiro Ota
G11 - INFORMATION STORAGE
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Patent Grant
Mode change mechanism for tape recorders
Patent number
4,831,660
Issue date
May 16, 1989
Sony Corp.
Noriyuki Koga
G11 - INFORMATION STORAGE