Masahiro Shigematsu

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pyrimidine derivatives, processes for their production and herbicid...
- Patent number 4,969,949
- Issue date Nov 13, 1990
- Kumiai Chemical Industry Co., Ltd.
- Masahiro Shigematsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Picolinic acid derivatives and herbicidal compositions
- Patent number 4,931,087
- Issue date Jun 5, 1990
- Kumiai Chemical Industry Co., Ltd.
- Masahiro Shigematsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Picolinic acid derivatives and herbicidal compositions
- Patent number 4,832,729
- Issue date May 23, 1989
- Kumiai Chemical Industry Co., Ltd.
- Masahiro Shigematsu
- C07 - ORGANIC CHEMISTRY