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Optical pickup
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Patent number 10,283,157
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Issue date May 7, 2019
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Seiji Hoshi
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G11 - INFORMATION STORAGE
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Electronic device
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Patent number 8,382,343
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Issue date Feb 26, 2013
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Panasonic Corporation
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Noriaki Terahara
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G11 - INFORMATION STORAGE
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Optical pickup device
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Patent number 8,125,874
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Issue date Feb 28, 2012
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Panasonic Corporation
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Yasuo Ueda
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G11 - INFORMATION STORAGE