Hirofumi Nakagawa

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
4-aryl-4-substituted pyrazolidine-3, 5-dione derivatives
- Patent number 6,180,568
- Issue date Jan 30, 2001
- Otsuka Kagaku Kabushiki Kaisha
- Nobuyoshi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triazole derivative, herbicidal compositions containing the derivat...
- Patent number 5,759,958
- Issue date Jun 2, 1998
- Otsuka Kagaku Kabushiki Kaisha
- Yoshinori Endo
- C07 - ORGANIC CHEMISTRY