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Automatic focusing device
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Patent number 5,081,479
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Issue date Jan 14, 1992
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Canon Kabushiki Kaisha
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Terutake Kadohara
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G02 - OPTICS
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Auto focus device
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Patent number 5,061,951
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Issue date Oct 29, 1991
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Canon Kabushiki Kaisha
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Masaki Higashihara
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G02 - OPTICS
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Camera
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Patent number 4,992,821
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Issue date Feb 12, 1991
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Canon Kabushiki Kaisha
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Masayoshi Kiuchi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Autofocus device
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Patent number 4,969,003
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Issue date Nov 6, 1990
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Canon Kabushiki Kaisha
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Ichiro Ohnuki
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G02 - OPTICS
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Camera
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Patent number 4,804,986
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Issue date Feb 14, 1989
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Canon Kabushiki Kaisha
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Ichiro Ohnuki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photographic apparatus
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Patent number 4,730,199
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Issue date Mar 8, 1988
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Canon Kabushiki Kaisha
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Keiji Ikemori
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G02 - OPTICS
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