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Yoshihiro Yamanaka
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Kanagawa, JP
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last 30 patents
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Patent Grant
Optical disc recording apparatus with efficient data checking
Patent number
5,682,366
Issue date
Oct 28, 1997
Nikon Corporation
Yoshihiro Yamanaka
G11 - INFORMATION STORAGE
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Patent Grant
Magnetooptic recording method and apparatus
Patent number
5,600,612
Issue date
Feb 4, 1997
Nikon Corporation
Jun Saito
G11 - INFORMATION STORAGE