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Liquid crystal apparatus
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Patent number 6,304,310
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Issue date Oct 16, 2001
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Canon Kabushiki Kaisha
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Hideyuki Kawagishi
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G02 - OPTICS
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Liquid crystal apparatus
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Patent number 5,414,542
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Issue date May 9, 1995
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Canon Kabushiki Kaisha
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Hideyuki Kawagishi
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G02 - OPTICS
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Liquid crystal apparatus
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Patent number 5,035,491
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Issue date Jul 30, 1991
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Canon Kabushiki Kaisha
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Hideyuki Kawagishi
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G02 - OPTICS
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Image forming apparatus
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Patent number 4,958,912
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Issue date Sep 25, 1990
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Canon Kabushiki Kaisha
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Yutaka Inaba
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G06 - COMPUTING CALCULATING COUNTING
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