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Collapsible lens barrel
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Patent number 5,900,992
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Issue date May 4, 1999
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Nikon Corporation
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Yoshiro Kodaka
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G02 - OPTICS
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Diaphragm movement device
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Patent number 5,754,907
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Issue date May 19, 1998
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Nikon Corporation
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Yoshiro Kodaka
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Auto-focusing device
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Patent number 5,489,963
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Issue date Feb 6, 1996
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Nikon Corporation
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Hitoshi Imanari
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G02 - OPTICS
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Lens barrel
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Patent number 5,420,721
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Issue date May 30, 1995
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Nikon Corporation
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Hideo Kanno
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G02 - OPTICS
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-
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Diaphragm device
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Patent number 4,974,001
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Issue date Nov 27, 1990
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Nikon Corporation
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Tsuneo Watanabe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Zoom lens assembly
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Patent number 4,925,282
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Issue date May 15, 1990
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Nikon Corporation
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Hideo Kanno
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G02 - OPTICS
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Zoom lens assembly
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Patent number 4,681,406
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Issue date Jul 21, 1987
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Nippon Kogaku K.K.
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Hideshi Naito
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G02 - OPTICS