Yasufumi Toyokawa

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Alkanoic acid derivatives and herbicidal compositions
- Patent number 5,087,289
- Issue date Feb 11, 1992
- Kumiai Chemical Industry Co., Ltd.
- Koichiro Kaku
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenoxyprimidine derivative and herbicidal composition
- Patent number 5,019,151
- Issue date May 28, 1991
- Kumiai Chemical Industry Co., Ltd.
- Nobuhide Wada
- C07 - ORGANIC CHEMISTRY
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
Alkanoic acid derivatives and herbicidal compositions
- Patent number 4,968,340
- Issue date Nov 6, 1990
- Kumiai Chemical Industry Co., Ltd.
- Koichiro Kaku
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenoxypyrimidine derivative and herbicidal composition
- Patent number 4,946,495
- Issue date Aug 7, 1990
- Kumiai Chemical Industry Co., Ltd.
- Nobuhide Wada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Phenoxypyrimidine derivative and herbidical composition
- Patent number 4,889,552
- Issue date Dec 26, 1989
- Kumiai Chemical Industry Co., Ltd.
- Nobuhide Wada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclohexane derivatives having plant growth regulating activities a...
- Patent number 4,875,930
- Issue date Oct 24, 1989
- Masafumi Matsuzawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclohexane derivatives having plant-growth regulating activities a...
- Patent number 4,866,201
- Issue date Sep 12, 1989
- Kumiai Chemical Industry Co., Ltd.
- Kenji Motojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(4',6'-di-substituted pyrimidine-2'-yl)oxy- or thio-benzoic acid
- Patent number 4,770,691
- Issue date Sep 13, 1988
- Kumiai Chemical Industry Co., Ltd.
- Yukio Nezu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclohexane derivatives having plant-growth regulating activities,...
- Patent number 4,678,496
- Issue date Jul 7, 1987
- Kumiai Chemical Industry Co., Ltd.
- Kenji Motojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclohexane derivatives having plant-growth regulating activities,...
- Patent number 4,560,403
- Issue date Dec 24, 1985
- Kumiai Chemical Industry Co., Ltd.
- Kenji Motojima
- C07 - ORGANIC CHEMISTRY

Yasufumi Toyokawa

Person

Patents Grantslast 30 patents

Alkanoic acid derivatives and herbicidal compositions

2-phenoxyprimidine derivative and herbicidal composition

Pyrimidine derivatives, processes for their production and herbicid...

Alkanoic acid derivatives and herbicidal compositions

2-phenoxypyrimidine derivative and herbicidal composition

2-Phenoxypyrimidine derivative and herbidical composition

Cyclohexane derivatives having plant growth regulating activities a...

Cyclohexane derivatives having plant-growth regulating activities a...

2-(4',6'-di-substituted pyrimidine-2'-yl)oxy- or thio-benzoic acid

Cyclohexane derivatives having plant-growth regulating activities,...

Cyclohexane derivatives having plant-growth regulating activities,...