Inventor · disambiguated record
Eiki Nagano
Also filed as: NAGANO EIKI
71 granted patents·545 citations·filing 1982–2017
99Inventor score
Top patents by PatentIndex Score
71 records- 0198US4640707ATetrahydrophthalimides and their herbicidal useSUMITOMO CHEMICAL CO·Filed 1985·Granted Feb 3, 1987·83 cites·23 claims
- 0297US4427438AN-(2-Fluoro-4-halo-5-substituted phenyl) hydantoinsSUMITOMO CHEMICAL CO·Filed 1982·Granted Jan 24, 1984·53 cites·12 claims
- 0395US4452981A4-(2-Fluoro-4-halo-5-substituted phenyl)urazols, and their production and useSUMITOMO CHEMICAL CO·Filed 1982·Granted Jun 5, 1984·28 cites·9 claims
- 0492US4431822ATetrahydrophthalimides, and their production and useSUMITOMO CHEMICAL CO·Filed 1982·Granted Feb 14, 1984·32 cites·3 claims
- 0589US4670046ATetrahydrophthalimide compounds, as post-emergence herbicides for use in soybean fieldsSUMITOMO CHEMICAL CO·Filed 1983·Granted Jun 2, 1987·15 cites·3 claims
- 0685US4484941ATetrahydrophthalimides, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1982·Granted Nov 27, 1984·14 cites·8 claims
- 0785US4437877A2-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins and useSUMITOMO CHEMICAL CO·Filed 1982·Granted Mar 20, 1984·14 cites·2 claims
- 0884US4619687ATriazolopyridazines and their use as herbicidesSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 28, 1986·27 cites·20 claims
- 0984US4484940ATetrahydrophthalimides, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1982·Granted Nov 27, 1984·12 cites·5 claims
- 1083US4668278ABenzotriazoles, and their production and use 4-halophenyl-tetrahydrobenzotriazloes as herbicidesSUMITOMO CHEMICAL CO·Filed 1984·Granted May 26, 1987·11 cites·10 claims
- 1180US4720297ABenzothiazolones, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 19, 1988·18 cites·10 claims
- 1279US4670043AHerbicidal 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazolesSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·15 cites·10 claims
- 1377US4770695AN-substituted phenyl tetrahydrophthalimide compounds, and their production and herbicidal useSUMITOMO CHEMICAL CO·Filed 1986·Granted Sep 13, 1988·11 cites·19 claims
- 1477US4593094A2-[[[4-halo-2-fluoro-5(alkyl or alkenyloxy)phenyl]amino]carbonyl or thiocarbonyl]-3,4,5,6-tetrahydro-1(2H)-pyridazinecarboxylic acid compounds and lower alkyl esters thereofSUMITOMO CHEMICAL CO·Filed 1984·Granted Jun 3, 1986·7 cites·13 claims
- 1576US4888428ABenzothiazolones, and their production and useSUMITOMO CHEMICAL CO·Filed 1987·Granted Dec 19, 1989·10 cites·3 claims
- 1675US4684397A2-Substituted phenyl-4,5,6,7-tetrahydro-2H-iso-indole-1,3-diones, and their production and useSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 4, 1987·8 cites·24 claims
- 1773US4624699A2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles, their production, and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 25, 1986·8 cites·8 claims
- 1872US5169431AUracil derivatives, and their production and useSUMITOMO CHEMICAL CO·Filed 1991·Granted Dec 8, 1992·13 cites·23 claims
- 1972US5156668ABenzoxazinyl-pyrazoles and their use as herbicidesSUMITOMO CHEMICAL CO·Filed 1990·Granted Oct 20, 1992·12 cites·17 claims
- 2071US4752325A2-substituted phenyl-3-chlorotetrahydro-2H-indazoles composition containing them, and herbicidal method of using themSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 21, 1988·7 cites·8 claims
- 2170US4755215ABenzotriazoles, and their production and useSUMITOMO CHEMICAL CO·Filed 1986·Granted Jul 5, 1988·6 cites·11 claims
- 2270US4608080AHerbicidal 2-phenyl-4,5,6,7-tetrahydro-2H-indazolesSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 26, 1986·8 cites·7 claims
- 2369US5280010AAmino uracil derivatives, and their production and useSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 18, 1994·16 cites·22 claims
- 2468US4801408A2-substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones, and their production and useSUMITOMO CHEMICAL CO·Filed 1987·Granted Jan 31, 1989·5 cites·12 claims
- 2566US10299476B23′-substituted-abscisic acid derivativesVALENT BIOSCIENCES LLC·Filed 2017·Granted May 28, 2019·0 cites·1 claims
- 2666US4881970ATetrahydropthalimide compounds, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 21, 1989·6 cites·53 claims
- 2766US4786310ABenzothiazolylazolidines, and their production and useSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 22, 1988·7 cites·9 claims
- 2865US4599104AHerbicidal pyridotriazolium compoundsSUMITOMO CHEMICAL CO·Filed 1984·Granted Jul 8, 1986·5 cites·20 claims
- 2964US4670042ATetrahydrophthalimides, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·6 cites·12 claims
- 3063US4877444ATetrahydroindazolyl-benzoxazines and useSUMITOMO CHEMICAL CO·Filed 1988·Granted Oct 31, 1989·4 cites·14 claims
- 3163US4622063A4-(2-fluoro-4-halo-5-substituted phenyl)urazols, and herbicidal useSUMITOMO CHEMICAL CO·Filed 1984·Granted Nov 11, 1986·3 cites·19 claims
- 3262US4595409ASubstituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones, and their production and useSUMITOMO CHEMICAL CO·Filed 1984·Granted Jun 17, 1986·4 cites·13 claims
- 3360US9781930B23′-substituted-abscisic acid derivativesVALENT BIOSCIENCES CORP·Filed 2015·Granted Oct 10, 2017·0 cites·4 claims
- 3460US4792605A1,4-benzoxazin-3-one-6-(amino or nitro) intermediatesSUMITOMO CHEMICAL CO·Filed 1986·Granted Dec 20, 1988·5 cites·6 claims
- 3558US4978787ABenzotriazoles, and their production and useSUMITOMO CHEMICAL CO·Filed 1989·Granted Dec 18, 1990·3 cites·3 claims
- 3658US4828605ABenzothiazolylazolidines, and their production and useSUMITOMO CHEMICAL CO·Filed 1988·Granted May 9, 1989·3 cites·10 claims
- 3758US4820333AIndazole compounds, and their production and useSUMITOMO CHEMICAL CO·Filed 1987·Granted Apr 11, 1989·3 cites·8 claims
- 3858US4736068ATetrahydrophthalimides and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1986·Granted Apr 5, 1988·3 cites·5 claims
- 3957US4885024ABenzoxazinyl-triazole oxides and useSUMITOMO CHEMICAL CO·Filed 1988·Granted Dec 5, 1989·4 cites·21 claims
- 4056US5354730AUracil derivatives and their herbicidal useSUMITOMO CHEMICAL CO·Filed 1993·Granted Oct 11, 1994·7 cites·11 claims
- 4156US5281574AUracil derivatives and their useSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 25, 1994·5 cites·13 claims
- 4256US4938795ATetrahydrophthalimide compounds, and their production and useSUMITOMO CHEMICAL CO·Filed 1986·Granted Jul 3, 1990·3 cites·12 claims
- 4355US4826533AN-(substituted phenyl)-tetrahydrophthalimide compounds, and their production and herbicide useSUMITOMO CHEMICAL CO·Filed 1987·Granted May 2, 1989·3 cites·21 claims
- 4454US5191105ATetrahydrophthalimides, and their production and use as herbicidesSUMITOMO CHEMICAL CO·Filed 1991·Granted Mar 2, 1993·4 cites·7 claims
- 4552US5366955APyrimidone derivatives and their useSUMITOMO CHEMICAL CO·Filed 1993·Granted Nov 22, 1994·5 cites·18 claims
- 4652US4904800AIntermediates for the production of benzotriazolesSUMITOMO CHEMICAL CO·Filed 1988·Granted Feb 27, 1990·2 cites·3 claims
- 4752US4880925AIntermediates for the production of tetrahydrophthalimidesSUMITOMO CHEMICAL CO·Filed 1988·Granted Nov 14, 1989·2 cites·3 claims
- 4852US4831150AIndazole compounds, and their production and useSUMITOMO CHEMICAL CO·Filed 1988·Granted May 16, 1989·2 cites·1 claims
- 4952US4709049A2-substituted phenyl-4,5,6,7,-tetrahydro-2H-indole-1,3,-diones, and their production and useSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 24, 1987·2 cites·3 claims
- 5051US4740619APhenylhydrazonocyclohexanone oximesSUMITOMO CHEMICAL CO·Filed 1987·Granted Apr 26, 1988·3 cites·1 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →