Inventor
TOYOKAWA YASUFUMI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “TOYOKAWA YASUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUMIAI CHEMICAL INDUSTRY CO
10 patentsUS4968340ANov 6, 1990
Alkanoic acid derivatives and herbicidal compositions
KUMIAI CHEMICAL INDUSTRY CO28 citations92
US4560403ADec 24, 1985
Cyclohexane derivatives having plant-growth regulating activities, and uses of these derivatives
KUMIAI CHEMICAL INDUSTRY CO29 citations92
US4946495AAug 7, 1990
2-phenoxypyrimidine derivative and herbicidal composition
KUMIAI CHEMICAL INDUSTRY CO18 citations81
US4770691ASep 13, 1988
2-(4',6'-di-substituted pyrimidine-2'-yl)oxy- or thio-benzoic acid
KUMIAI CHEMICAL INDUSTRY CO23 citations81
US4678496AJul 7, 1987
Cyclohexane derivatives having plant-growth regulating activities, and uses of these derivatives
KUMIAI CHEMICAL INDUSTRY CO17 citations81
US5087289AFeb 11, 1992
Alkanoic acid derivatives and herbicidal compositions
KUMIAI CHEMICAL INDUSTRY CO12 citations73
US5019151AMay 28, 1991
2-phenoxyprimidine derivative and herbicidal composition
KUMIAI CHEMICAL INDUSTRY CO6 citations73
US4889552ADec 26, 1989
2-Phenoxypyrimidine derivative and herbidical composition
KUMIAI CHEMICAL INDUSTRY CO15 citations73
US4866201ASep 12, 1989
Cyclohexane derivatives having plant-growth regulating activities and uses of these derivatives
KUMIAI CHEMICAL INDUSTRY CO13 citations73
US4969949ANov 13, 1990
Pyrimidine derivatives, processes for their production and herbicidal compositions containing them
KUMIAI CHEMICAL INDUSTRY CO2 citations60