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Image capture apparatus
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Patent number 7,382,977
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Issue date Jun 3, 2008
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Canon Kabushiki Kaisha
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Ryunosuke Iijima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Automatic focusing apparatus
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Patent number 6,512,549
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Issue date Jan 28, 2003
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Canon Kabushiki Kaisha
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Ryunosuke Iijima
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Lens control system
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Patent number 5,587,842
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Issue date Dec 24, 1996
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Canon Kabushiki Kaisha
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Ryunosuke Iijima
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G02 - OPTICS
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Camera apparatus
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Patent number 5,583,603
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Issue date Dec 10, 1996
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Canon Kabushiki Kaisha
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Masahide Hirasawa
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G02 - OPTICS
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Camera
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Patent number 5,548,369
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Issue date Aug 20, 1996
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Canon Kabushiki Kaisha
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Ryunosuke Iijima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Camera apparatus
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Patent number 5,387,960
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Issue date Feb 7, 1995
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Canon Kabushiki Kaisha
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Masahide Hirasawa
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G02 - OPTICS
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Lens control system
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Patent number 5,144,492
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Issue date Sep 1, 1992
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Canon Kabushiki Kaisha
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Ryunosuke Iijima
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G02 - OPTICS