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Optical disk device
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Patent number 5,777,967
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Issue date Jul 7, 1998
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Matsushita Electric Industrial Co., Ltd.
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Hiromichi Ishibashi
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G11 - INFORMATION STORAGE
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Data detection apparatus
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Patent number 5,666,341
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Issue date Sep 9, 1997
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Matsushita Electric Industrial Co., Ltd.
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Ryusuke Horibe
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G11 - INFORMATION STORAGE
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Disk apparatus
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Patent number 5,479,391
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Issue date Dec 26, 1995
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Matsushita Electric Industrial Co., Ltd.
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Ryusuke Horibe
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G11 - INFORMATION STORAGE