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Sustained-release injection
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Patent number 5,385,738
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Issue date Jan 31, 1995
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Sumitomo Pharmaceuticals Company, Ltd.
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Yoshiya Yamahira
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Controlled release formulation
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Patent number 5,236,704
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Issue date Aug 17, 1993
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Sumitomo Pharmaceuticals Co., Ltd.
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Keiji Fujioka
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Sustained-release preparation
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Patent number 5,081,156
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Issue date Jan 14, 1992
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Sumitomo Pharmaceuticals Company, Ltd.
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Yoshiya Yamahira
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Antimicrobial preparation
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Patent number 4,880,796
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Issue date Nov 14, 1989
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Sumitomo Chemical Company, Limited
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Yoshiya Yamahira
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Sustained-release preparation
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Patent number 4,855,134
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Issue date Aug 8, 1989
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Sumitomo Pharmaceuticals Company, Limited
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Yoshiya Yamahira
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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