Nobuyuki Ohba

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Iwata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nicotinic acid derivatives and herbicides
- Patent number 5,877,120
- Issue date Mar 2, 1999
- Kumiai Chemical Industry Co., Ltd.
- Masahiro Miyazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Condensed heterocyclic derivatives and herbicides
- Patent number 5,770,544
- Issue date Jun 23, 1998
- Kumiai Chemical Industry Co., Ltd.
- Sumio Yokota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Condensed heterocyclic derivatives and herbicides
- Patent number 5,616,537
- Issue date Apr 1, 1997
- Kumiai Chemical Industry Co., Ltd.
- Sumio Yokota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-oxo-3-pyrroline derivatives, process for their production and her...
- Patent number 5,312,929
- Issue date May 17, 1994
- Kumiai Chemical Industry Co., Ltd.
- Nobuyuki Ohba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2,5,6-Tetrahydropyridine-2-one compounds which are useful herbicides
- Patent number 5,076,834
- Issue date Dec 31, 1991
- Kumiai Chemical Industry Co., Ltd.
- Nobuyuki Ohba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrrolin-2-one compounds which are useful as herbicides
- Patent number 5,006,157
- Issue date Apr 9, 1991
- Kumiai Chemical Industry Co., Ltd.
- Nobuyuki Ohba
- C07 - ORGANIC CHEMISTRY