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Zoom lens system
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Patent number 7,057,828
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Issue date Jun 6, 2006
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Canon Kabushiki Kaisha
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Akihisa Horiuchi
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G02 - OPTICS
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Optical apparatus
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Patent number 6,924,941
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Issue date Aug 2, 2005
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Canon Kabushiki Kaisha
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Tadanori Okada
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Zoom lens
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Patent number 6,226,130
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Issue date May 1, 2001
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Canon Kabushiki Kaisha
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Hitoshi Mukaiya
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G02 - OPTICS
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Zoom lens
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Patent number 6,178,049
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Issue date Jan 23, 2001
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Canon Kabushiki Kaisha
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Hitoshi Mukaiya
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G02 - OPTICS
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Camera
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Patent number 6,037,972
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Issue date Mar 14, 2000
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Canon Kabushiki Kaisha
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Akihisa Horiuchi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Zoom lens
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Patent number 5,784,205
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Issue date Jul 21, 1998
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Canon Kabushiki Kaisha
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Hiroki Nakayama
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G02 - OPTICS
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Zoom lens
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Patent number 5,754,346
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Issue date May 19, 1998
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Canon Kabushiki Kaisha
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Hiroki Nakayama
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G02 - OPTICS
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Zoom lens
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Patent number 5,739,961
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Issue date Apr 14, 1998
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Canon Kabushiki Kaisha
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Hiroki Nakayama
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G02 - OPTICS