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Spatial optical modulator
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Patent number 7,324,255
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Issue date Jan 29, 2008
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Pioneer Corporation
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Satoru Tanaka
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G11 - INFORMATION STORAGE
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Optical pickup apparatus
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Patent number 6,185,176
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Issue date Feb 6, 2001
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Pioneer Electronic Corporation
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Satoshi Sugiura
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G11 - INFORMATION STORAGE
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Optical pickup apparatus
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Patent number 6,130,872
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Issue date Oct 10, 2000
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Pioneer Electronic Corporation
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Satoshi Sugiura
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G11 - INFORMATION STORAGE
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Optical pickup device
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Patent number 6,031,667
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Issue date Feb 29, 2000
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Pioneer Electronic Corporation
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Satoshi Sugiura
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G11 - INFORMATION STORAGE
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Optical pickup device
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Patent number 4,624,526
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Issue date Nov 25, 1986
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Pioneer Electronic Corporation
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Yoshiyuki Tsukai
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G06 - COMPUTING CALCULATING COUNTING