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Extender optical system
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Patent number 6,813,089
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Issue date Nov 2, 2004
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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Retrofocus wide-angle lens
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Patent number 6,791,765
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Issue date Sep 14, 2004
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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Attachment lens system
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Patent number 6,288,847
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Issue date Sep 11, 2001
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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Zoom lens
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Patent number 6,285,510
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Issue date Sep 4, 2001
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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Zoom lens
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Patent number 5,991,092
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Issue date Nov 23, 1999
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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Zoom lens system
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Patent number 5,561,560
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Issue date Oct 1, 1996
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Fuji Photo Optical Co., Ltd.
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Katsuhisa Tsutsumi
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G02 - OPTICS
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