Inventor · disambiguated record
Eiichi Oya
Also filed as: OYA EIICHI
19 granted patents·315 citations·filing 1986–1998
95Inventor score
Files withNISSAN CHEMICAL IND LTD19
Top patents by PatentIndex Score
19 records- 0192US4942246AProcess for producing 4-benzoyl-5-hydroxypyrazolesNISSAN CHEMICAL IND LTD·Filed 1989·Granted Jul 17, 1990·37 cites·1 claims
- 0291US4986845APyrazole derivatives and herbicides containing themNISSAN CHEMICAL IND LTD·Filed 1989·Granted Jan 22, 1991·43 cites·5 claims
- 0391US4954165ASubstituted benzoyl derivatives and selective herbicidesNISSAN CHEMICAL IND LTD·Filed 1988·Granted Sep 4, 1990·26 cites·5 claims
- 0490US4885022AHerbicidal pyrazole derivativesNISSAN CHEMICAL IND LTD·Filed 1987·Granted Dec 5, 1989·34 cites·5 claims
- 0589US4881965AWheat growing process utilizing selective herebicideNISSAN CHEMICAL IND LTD·Filed 1988·Granted Nov 21, 1989·30 cites·6 claims
- 0684USRE34779EPyrazole derivatives and herbicides containing themNISSAN CHEMICAL IND LTD·Filed 1992·Granted Nov 8, 1994·21 cites·8 claims
- 0783US4948887APyrazole derivative and herbicide containing itNISSAN CHEMICAL IND LTD·Filed 1988·Granted Aug 14, 1990·29 cites·8 claims
- 0878US5518994A2-arylaminopyrimidinone derivative, and herbicide and plant growth regulatorNISSAN CHEMICAL IND LTD·Filed 1993·Granted May 21, 1996·20 cites·20 claims
- 0972US5977027APyrimidone isobutyric acid and herbicides containing the sameNISSAN CHEMICAL IND LTD·Filed 1998·Granted Nov 2, 1999·18 cites·9 claims
- 1070US5834401ANitrogen-containing cyclic compounds and herbicides containing the same as active ingredientNISSAN CHEMICAL IND LTD·Filed 1995·Granted Nov 10, 1998·17 cites·8 claims
- 1168US5175299ABenzoic acid derivatives useful as intermediates for the preparation of herbicidal 4-benzoylpyrazolesNISSAN CHEMICAL IND LTD·Filed 1991·Granted Dec 29, 1992·11 cites·54 claims
- 1265US5094685ASubstituted benzoyl derivatives and selective herbicidesNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 10, 1992·7 cites·5 claims
- 1360USRE34408EProcess for producing 4-benzoyl-5-hydroxypyrazolesNISSAN CHEMICAL IND LTD·Filed 1992·Granted Oct 12, 1993·7 cites·1 claims
- 1459US5189224AMethod for preparing 4-alkylsulfonyl-2-chloro-m-xyleneNISSAN CHEMICAL IND LTD·Filed 1991·Granted Feb 23, 1993·5 cites·2 claims
- 1545US5087724ASubstituted benzenes useful as intermediatesNISSAN CHEMICAL IND LTD·Filed 1990·Granted Feb 11, 1992·3 cites·34 claims
- 1644US5296634AMethod for preparing 4-alkylsulfonyl-2-chloro-m-xyleneNISSAN CHEMICAL IND LTD·Filed 1992·Granted Mar 22, 1994·2 cites·8 claims
- 1742US4844728APyrazolesulfonamide derivative, and herbicide containing itNISSAN CHEMICAL IND LTD·Filed 1986·Granted Jul 4, 1989·3 cites·34 claims
- 1835USRE34423ESubstituted benzenes useful as intermediatesNISSAN CHEMICAL IND LTD·Filed 1992·Granted Oct 26, 1993·1 cites·34 claims
- 1935US4830660AImidazolesulfonamide derivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1987·Granted May 16, 1989·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →