Takeji Sakasai

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing an optically active aminoketone derivative
- Patent number 5,103,022
- Issue date Apr 7, 1992
- Nippon Kayaku Kabushiki Kaisha
- Akira Shiozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of an aminoketone
- Patent number 5,057,535
- Issue date Oct 15, 1991
- Nippon Kayaku Kabushiki Kaisha
- Akira Shiozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Immunopotentiator and spergualin-related compound therefor
- Patent number 4,990,536
- Issue date Feb 5, 1991
- Nippon Kayaku Kabushiki Kaisha
- Takeji Sakasai
- C07 - ORGANIC CHEMISTRY