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Lens barrel
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Patent number 5,758,205
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Issue date May 26, 1998
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Olympus Optical Co., Ltd.
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Minoru Hara
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G02 - OPTICS
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Lens barrel
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Patent number 5,583,595
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Issue date Dec 10, 1996
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Olympus Optical Co., Ltd.
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Minoru Hara
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G02 - OPTICS
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Lens barrel
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Patent number 5,345,283
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Issue date Sep 6, 1994
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Olympus Optical Co. Ltd.
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Kazuhiro Satoh
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY