Inventor · disambiguated record
Katsumasa Okawa
Also filed as: OKAWA KATSUMASA
4 granted patents·84 citations·filing 1980–1988
77Inventor score
Top patents by PatentIndex Score
4 records- 0192US4318731AΔ2 -1,2,4-triazolin-5-one derivatives and herbicidal usage thereofNIHON NOHYAKU CO LTD·Filed 1980·Granted Mar 9, 1982·50 cites·12 claims
- 0284US4398943ATriazolinone derivative and herbicidal use thereofNIKON NOHYAKU CO LTD·Filed 1981·Granted Aug 16, 1983·27 cites·38 claims
- 0355US4863504ACyclohexadione derivatives, selective herbicidal compositions as well as herbicidal methodNIHON NOHYAKU CO LTD·Filed 1988·Granted Sep 5, 1989·4 cites·11 claims
- 0446US4334914ABenzoate derivative, method of preparing the same and use thereof as a herbicideNIHON NOHYAKU CO LTD·Filed 1981·Granted Jun 15, 1982·3 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →