Eiki Nagano
71Patents
11h-index
24Co-inventors
78Inventor score
Filing activity: Mar 23, 1982 → Sep 5, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4640707A | Tetrahydrophthalimides and their herbicidal use | Chemistry; Metallurgy | 49 | Expired |
| US4427438A | N-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins | Chemistry; Metallurgy | 43 | Expired |
| US4431822A | Tetrahydrophthalimides, and their production and use | Chemistry; Metallurgy | 25 | Expired |
| US4452981A | 4-(2-Fluoro-4-halo-5-substituted phenyl)urazols, and their production and use | Chemistry; Metallurgy | 24 | Expired |
| US4619687A | Triazolopyridazines and their use as herbicides | Human Necessities | 21 | Expired |
| US4437877A | 2-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins and use | Chemistry; Metallurgy | 14 | Expired |
| US4720297A | Benzothiazolones, and their production and use as herbicides | Chemistry; Metallurgy | 13 | Expired |
| US5280010A | Amino uracil derivatives, and their production and use | Human Necessities | 13 | Expired |
| US5156668A | Benzoxazinyl-pyrazoles and their use as herbicides | Chemistry; Metallurgy | 12 | Expired |
| US4484940A | Tetrahydrophthalimides, and their production and use as herbicides | Chemistry; Metallurgy | 12 | Expired |
| US5169431A | Uracil derivatives, and their production and use | Chemistry; Metallurgy | 11 | Expired |
| US4484941A | Tetrahydrophthalimides, and their production and use as herbicides | Chemistry; Metallurgy | 11 | Expired |
| US4668278A | Benzotriazoles, and their production and use 4-halophenyl-tetrahydrobenzotriazloes as herbicides | Chemistry; Metallurgy | 11 | Expired |
| US4670046A | Tetrahydrophthalimide compounds, as post-emergence herbicides for use in soybean fields | Human Necessities | 11 | Expired |
| US4670043A | Herbicidal 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles | Chemistry; Metallurgy | 10 | Expired |
| US4770695A | N-substituted phenyl tetrahydrophthalimide compounds, and their production and herbicidal use | Human Necessities | 9 | Expired |
| US4624699A | 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles, their production, and use as herbicides | Chemistry; Metallurgy | 8 | Expired |
| US4888428A | Benzothiazolones, and their production and use | Chemistry; Metallurgy | 8 | Expired |
| US4752325A | 2-substituted phenyl-3-chlorotetrahydro-2H-indazoles composition containing them, and herbicidal method of using them | Chemistry; Metallurgy | 7 | Expired |
| US4608080A | Herbicidal 2-phenyl-4,5,6,7-tetrahydro-2H-indazoles | Human Necessities | 7 | Expired |
| US4684397A | 2-Substituted phenyl-4,5,6,7-tetrahydro-2H-iso-indole-1,3-diones, and their production and use | Human Necessities | 7 | Expired |
| US4593094A | 2-[[[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 thereof | Chemistry; Metallurgy | 6 | Expired |
| US4786310A | Benzothiazolylazolidines, and their production and use | Chemistry; Metallurgy | 6 | Expired |
| US4755215A | Benzotriazoles, and their production and use | Chemistry; Metallurgy | 6 | Expired |
| US4670042A | Tetrahydrophthalimides, and their production and use as herbicides | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.