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Tatsuya Okamura
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Shizuoka, JP
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last 30 patents
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Patent Grant
Optical information recording medium and production method thereof
Patent number
6,258,432
Issue date
Jul 10, 2001
Asahi Kasei Kabushiki Kaisha
Masato Terada
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
5,882,758
Issue date
Mar 16, 1999
Asahi Kasei Kogyo Kabushiki
Masato Terada
G11 - INFORMATION STORAGE