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Optical recording medium
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Patent number 6,908,655
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Issue date Jun 21, 2005
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Sony Corporation
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Nobuyuki Arakawa
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G11 - INFORMATION STORAGE
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Optical disc molding apparatus
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Patent number 6,302,674
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Issue date Oct 16, 2001
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Sony Corporation
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Nobuyuki Arakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical disc molding apparatus
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Patent number 6,142,761
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Issue date Nov 7, 2000
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Sony Corporation
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Nobuyuki Arakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Molding dye for disk substrate
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Patent number 5,464,339
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Issue date Nov 7, 1995
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Sony Corporation
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Nobuyuki Arakawa
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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