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Flexible tube for an endoscope
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Patent number 6,860,849
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Issue date Mar 1, 2005
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PENTAX Corporation
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Minoru Matsushita
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Endoscope system
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Patent number 6,846,286
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Issue date Jan 25, 2005
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PENTAX Corporation
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Naoki Suzuki
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Flexible tube for endoscope
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Patent number 6,520,214
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Issue date Feb 18, 2003
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PENTAX Corporation
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Akira Sugiyama
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Endoscopic flexible tube
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Patent number 6,458,075
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Issue date Oct 1, 2002
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Akira Sugiyama
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL