Kiyotoshi Matsumura

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of beta-lactam derivatives
- Patent number 4,925,934
- Issue date May 15, 1990
- Otsuka Kagaku Kabushiki Kaisha
- Masatoshi Taniguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing penicillanic acid derivatives
- Patent number 4,912,213
- Issue date Mar 27, 1990
- Otsuka Kagaku Kabushiki Kaisha
- Masatoshi Taniguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Imidazolium cephalosporin derivatives
- Patent number 4,906,623
- Issue date Mar 6, 1990
- Otsuka Kagaku Kabushiki Kaisha
- Kiyotoshi Matsumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing azetidinone derivatives
- Patent number 4,566,996
- Issue date Jan 28, 1986
- Otsuke Kagaku Yakuhin Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY