Toshihiko Yanagisawa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Certain 1,3,4-thiadiazole derivatives and anti-ulcer agent comprisi...
- Patent number 5,106,859
- Issue date Apr 21, 1992
- Tsumura & Co.
- Yoshihiro Hasegawa
- C07 - ORGANIC CHEMISTRY