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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
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Zoom lens
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Patent number 5,638,216
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Issue date Jun 10, 1997
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Canon Kabushiki Kaisha
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Akihisa Horiuchi
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G02 - OPTICS
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Zoom lens
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Patent number 5,056,900
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Issue date Oct 15, 1991
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Canon Kabushiki Kaisha
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Hitoshi Mukaiya
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G02 - OPTICS