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Endoscope
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Patent number 5,179,934
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Issue date Jan 19, 1993
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Olympus Optical Co., Ltd.
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Mitsugu Nagayoshi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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-
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Borescope apparatus
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Patent number 5,096,292
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Issue date Mar 17, 1992
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Olympus Optical Co., Ltd.
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Nobuyuki Sakamoto
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Endoscope apparatus
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Patent number 5,060,632
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Issue date Oct 29, 1991
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Olympus Optical Co., Ltd.
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Hiroki Hibino
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Borescope apparatus
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Patent number 5,048,956
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Issue date Sep 17, 1991
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Olympus Optical Co., Ltd.
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Nobuyuki Sakamoto
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G02 - OPTICS
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Borescope apparatus
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Patent number 4,991,957
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Issue date Feb 12, 1991
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Olympus Optical Co., Ltd.
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Nobuyuki Sakamoto
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Endoscope apparatus
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Patent number 4,982,725
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Issue date Jan 8, 1991
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Olympus Optical Co., Ltd.
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Hiroki Hibino
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE