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Endothelin antagonistic substance
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Patent number 5,614,498
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Issue date Mar 25, 1997
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Banyu Pharmaceutical Co., Ltd.
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Kiyofumi Ishikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Endothelin antagonistic substance
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Patent number 5,496,928
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Issue date Mar 5, 1996
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Banyu Pharmaceutical Co., Ltd.
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Kiyofumi Ishikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Endothelin antagonistic peptide
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Patent number 5,494,897
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Issue date Feb 27, 1996
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Banyu Pharmaceutical Co., Ltd.
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Kiyofumi Ishikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Aminophosponic acid derivative
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Patent number 5,380,921
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Issue date Jan 10, 1995
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Banyu Pharmaceutical Co., Ltd.
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Kiyofumi Ishikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Isoquinoline derivatives
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Patent number 5,362,736
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Issue date Nov 8, 1994
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Banyu Pharmaceutical Co., Ltd.
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Kiyofumi Ishikawa
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C07 - ORGANIC CHEMISTRY
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