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Multilayer optical disk
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Patent number RE40136
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Issue date Mar 4, 2008
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Sony Corporation
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Masahiko Kaneko
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428 - Stock material or miscellaneous articles
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Multilayer optical disk
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Patent number 6,537,637
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Issue date Mar 25, 2003
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Sony Corporation
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Masahiko Kaneko
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G11 - INFORMATION STORAGE
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Multilayer optical disk
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Patent number 6,241,843
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Issue date Jun 5, 2001
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Sony Corporation
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Masahiko Kaneko
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G11 - INFORMATION STORAGE
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Multilayer optical disk
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Patent number 5,989,670
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Issue date Nov 23, 1999
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Sony Corporation
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Masahiko Kaneko
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G11 - INFORMATION STORAGE
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Multilayer optical disk
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Patent number 5,766,717
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Issue date Jun 16, 1998
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Sony Corporation
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Masahiko Kaneko
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G11 - INFORMATION STORAGE
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Light modulating apparatus
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Patent number 4,477,821
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Issue date Oct 16, 1984
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Sony Corporation
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Masanobu Yamamoto
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G06 - COMPUTING CALCULATING COUNTING