Koichi Yoneyama

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Utsunomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sulfonamide and herbicide containing the same as active ingredient
- Patent number 4,971,620
- Issue date Nov 20, 1990
- Mitsubishi Kasei Corporation
- Tetsuo Jikihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-(2,3-Epoxypropylene)-n-aralkylsulfonamide and herbicidal composit...
- Patent number 4,468,245
- Issue date Aug 28, 1984
- Mitsubishi Chemical Industries Ltd.
- Tetsuo Takematsu
- C07 - ORGANIC CHEMISTRY