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Liquid crystal display device
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Patent number 9,046,728
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Issue date Jun 2, 2015
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Sharp Kabushiki Kaisha
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Ikumi Itsumi
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Liquid crystal display device
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Patent number 9,019,186
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Issue date Apr 28, 2015
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Sharp Kabushiki Kaisha
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Toshinori Sugihara
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Liquid crystal display device
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Patent number 8,885,131
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Issue date Nov 11, 2014
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Sharp Kabushiki Kaisha
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Mitsuaki Hirata
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Liquid crystal display device
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Patent number 8,749,727
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Issue date Jun 10, 2014
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Sharp Kabushiki Kaisha
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Ikumi Itsumi
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS