Osamu Yoshino

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Penam derivatives and salts thereof, process for producing the same...
- Patent number 5,300,497
- Issue date Apr 5, 1994
- Toyama Chemical Co., Ltd.
- Hirokazu Ochiai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Penam derivatives and salts thereof, and antibacterial agent compri...
- Patent number 5,185,330
- Issue date Feb 9, 1993
- Toyama Chemical Co., Ltd.
- Hirokazu Ochiai
- C07 - ORGANIC CHEMISTRY