Shigemitsu Nagao

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of .beta.-lactam derivatives
- Patent number 5,070,194
- Issue date Dec 3, 1991
- Otsuka Kagaku Kabushiki Kaisha
- Michio Sasaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of 3-exomethylenecepham derivatives
- Patent number 4,958,018
- Issue date Sep 18, 1990
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Halogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl...
- Patent number 4,789,740
- Issue date Dec 6, 1988
- Otsuka Kagaku Yakuhin Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 4-sulfonylthio azetidinone derivatives
- Patent number 4,740,596
- Issue date Apr 26, 1988
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY