Inventor

OKAWA KATSUMASA

4 patents

⚠️ This page may combine multiple inventors who share the name “OKAWA KATSUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIHON NOHYAKU CO LTD

3 patents

US4318731AMar 9, 1982

Δ2 -1,2,4-triazolin-5-one derivatives and herbicidal usage thereof

NIHON NOHYAKU CO LTD50 citations90

US4863504ASep 5, 1989

Cyclohexadione derivatives, selective herbicidal compositions as well as herbicidal method

NIHON NOHYAKU CO LTD4 citations60

US4334914AJun 15, 1982

Benzoate derivative, method of preparing the same and use thereof as a herbicide

NIHON NOHYAKU CO LTD3 citations58

NIKON NOHYAKU CO LTD

1 patent

US4398943AAug 16, 1983

Triazolinone derivative and herbicidal use thereof

NIKON NOHYAKU CO LTD27 citations76