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Compound zoom lens
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Patent number 5,082,360
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Issue date Jan 21, 1992
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Nikon Corporation
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Susumu Sato
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G02 - OPTICS
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Objective lens
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Patent number 4,836,665
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Issue date Jun 6, 1989
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Nikon Corporation
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Koichi Wakamiya
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G02 - OPTICS
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Rear conversion lens
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Patent number 4,768,868
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Issue date Sep 6, 1988
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Albada finder
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Patent number 4,707,098
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Issue date Nov 17, 1987
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Wide angle lens
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Patent number 4,705,364
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Issue date Nov 10, 1987
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Behind stop lens
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Patent number 4,676,607
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Issue date Jun 30, 1987
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Behind stop lens
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Patent number 4,606,615
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Issue date Aug 19, 1986
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Behind diaphragm lens
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Patent number 4,457,596
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Issue date Jul 3, 1984
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS
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Compact wide angle lens
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Patent number 4,394,073
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Issue date Jul 19, 1983
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Nippon Kogaku K.K.
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Koichi Wakamiya
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G02 - OPTICS