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Intubation assistance apparatus
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Patent number 8,079,951
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Issue date Dec 20, 2011
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Hoya Corporation
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Hidetaka Yokota
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Viewfinder
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Patent number 5,692,227
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Issue date Nov 25, 1997
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Hidetaka Yokota
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Waterproof camera
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Patent number 5,200,775
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Issue date Apr 6, 1993
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Hidetaka Yokota
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Clamp structure for plural members
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Patent number 5,136,760
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Issue date Aug 11, 1992
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Masaki Sano
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photometry device for camera
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Patent number 5,136,326
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Issue date Aug 4, 1992
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Hidetaka Yokota
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY