Yoshiyuki Koyama

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Naka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Actinonin derivatives and pharmaceutically acceptable salts thereof
- Patent number 5,206,384
- Issue date Apr 27, 1993
- Zaidan Hojin Biseibutsu Kagaku Kai
- Seiji Shibahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin compounds
- Patent number 4,393,058
- Issue date Jul 12, 1983
- Meiji Seika Kaisha, Ltd.
- Osamu Makabe
- C07 - ORGANIC CHEMISTRY