Shouhei Yasuda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Azetidinone derivatives and method for producing azetidinone and ce...
- Patent number 5,596,096
- Issue date Jan 21, 1997
- Meiji Seika Kaisha, Ltd.
- Osamu Sakanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing azetidinone and cephalosporin derivatives
- Patent number 5,405,955
- Issue date Apr 11, 1995
- Meiji Seika Kaisha, Ltd.
- Osamu Sakanaka
- C07 - ORGANIC CHEMISTRY