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Yoshikuni Itoh
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Tomisato, JP
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last 30 patents
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Patent Grant
Expectorant comprising hydroxyalkylcysteine derivative
Patent number
5,047,428
Issue date
Sep 10, 1991
SS Pharmaceutical Co., Ltd.
Yoshikuni Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hydroxyalkylcysteine derivative and expectorant containing the same
Patent number
4,906,665
Issue date
Mar 6, 1990
SS Pharmaceutical Co., Ltd.
Yoshikuni Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE