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Lens apparatus
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Patent number 5,650,879
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Issue date Jul 22, 1997
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Konica Corporation
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Tetsuji Emura
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G02 - OPTICS
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Zoom lens apparatus
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Patent number 5,202,992
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Issue date Apr 13, 1993
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Konica Corporation
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Makoto Banno
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G02 - OPTICS
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Compact zoom lens
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Patent number 5,061,051
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Issue date Oct 29, 1991
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Konica Corporation
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Hiroshi Miyamae
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G02 - OPTICS
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Telecentric zoom lens system
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Patent number 4,637,690
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Issue date Jan 20, 1987
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Konishiroku Photo Industry Co., Ltd.
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Hiroshi Miyamae
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G02 - OPTICS