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Optical scanning device
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Patent number 6,995,886
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Issue date Feb 7, 2006
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Koninklijke Philips Electronics N.V.
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Bernardus Hendrikus Wilhelmus Hendriks
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G11 - INFORMATION STORAGE
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Optical head apparatus
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Patent number 6,914,870
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Issue date Jul 5, 2005
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Matsushita Electric Industrial Co., Ltd.
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Junichi Asada
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G11 - INFORMATION STORAGE
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Optical head apparatus
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Patent number 6,674,709
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Issue date Jan 6, 2004
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Matsushita Electric Industrial Co., Ltd.
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Junichi Asada
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G11 - INFORMATION STORAGE
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Optical disk drive
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Patent number 6,633,531
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Issue date Oct 14, 2003
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Kabushiki Kaisha Toshiba
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Mastoshi Hirono
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G11 - INFORMATION STORAGE
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High resolution lens
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Patent number 6,493,156
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Issue date Dec 10, 2002
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LG Electronics Inc.
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Hyeong-Ryeol Oh
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G11 - INFORMATION STORAGE
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