Inventor

OKABE TAKAYUKI

7 patents

Patents

7 patents

US4326058AApr 20, 1982

Organo-phosphoric esters and their production and use

SUMITOMO CHEMICAL CO11 citations72

US4308258ADec 29, 1981

Pyrimidin-4-yl-phosphorus esters and insecticidal, acaricidal or nematocidal compositions and methods using them

SUMITOMO CHEMICAL CO8 citations72

US4596796AJun 24, 1986

Dithiolphosphoric acid ester as a soil pesticide

SUMITOMO CHEMICAL CO3 citations59

US4320126AMar 16, 1982

Triazinyl-organophosphorus esters

SUMITOMO CHEMICAL CO1 citations51

US4631347ADec 23, 1986

Dithiolphosphoric acid esters

SUMITOMO CHEMICAL CO0 citations49

US4608369AAug 26, 1986

Trithiophosphoric acid ester as a soil pesticide

SUMITOMO CHEMICAL CO0 citations47

US4607027AAug 19, 1986

Trithiophosphoric acid ester as a soil pesticide

SUMITOMO CHEMICAL CO0 citations47