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Medicinal liquid injection port
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Patent number 6,290,677
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Issue date Sep 18, 2001
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Sumitomo Bakelite Company Limited
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Yasuaki Arai
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Blood collecting apparatus
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Patent number 5,234,403
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Issue date Aug 10, 1993
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Sumitomo Bakelite Co., Ltd.
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Takumi Yoda
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Introducer for medical tube
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Patent number 5,092,846
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Issue date Mar 3, 1992
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Sumitomo Bakelite Company Limited
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Mamoru Nishijima
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE