Yoshio Kurahashi
25Patents
5h-index
40Co-inventors
69Inventor score
Filing activity: Oct 1, 1975 → Oct 20, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4127673A | Combating fungi with new N-4-halobenzyl-N-cycloalkyl-N'-phenylureas and thioureas | Chemistry; Metallurgy | 32 | Expired |
| US4731385A | Insecticidal and fungicidal composition for agricultural and horticultural use | Human Necessities | 22 | Expired |
| US4710518A | Novel N-benzyl-cyclopropanecarboxamide fungicides | Human Necessities | 10 | Expired |
| US4216228A | Combating fungi with N-benzyl-N-cycloalkyl-ureas | Chemistry; Metallurgy | 9 | Expired |
| US4010281A | N-(4-halobenzyl)-N-branched alkyl-N'-phenylureas and fungicidal use thereof | Chemistry; Metallurgy | 6 | Expired |
| US4623377A | 1,2,3,4-tetrahydroquinolin-1-ylcarbonylimidazoles and herbicidal use thereof | Chemistry; Metallurgy | 4 | Expired |
| US4609669A | Carbamoylimidazole derivatives and fungicidal use thereof | Chemistry; Metallurgy | 3 | Expired |
| US5061731A | Novel N-benzyl-cyclopropanecarboxamide fungicides | Human Necessities | 2 | Expired |
| US4036986A | Fungicidal N-(4-halobenzyl)-N-sec. alkyl-N'-phenylthioureas | Chemistry; Metallurgy | 2 | Expired |
| US4804673A | Fungicidal sulfonyl azoles | Chemistry; Metallurgy | 2 | Expired |
| US4710509A | Substituted phenylsulfonylazoles | Chemistry; Metallurgy | 1 | Expired |
| US5849767A | Chloropyridylcarbonyl derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4700006A | Carbamoylimidazole derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4122174A | Combating pests with O-alkyl-N-sulfamyl-phosphoramidothiolates | Chemistry; Metallurgy | 1 | Expired |
| US4940483A | Fungicidal 2-(-3-pyridyl)-1,3-dioxanes | Chemistry; Metallurgy | 1 | Expired |
| US6153763A | 1,2,3-benzothiadiazole derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5981438A | 1-phenyl-5-anilinotetrazoles | Chemistry; Metallurgy | 0 | Expired |
| US5869508A | 1,2,3-Benzothiadiazole derivatives | Chemistry; Metallurgy | 0 | Expired |
| US5062883A | Spiro-benzyl-3-substituted pyridines | Chemistry; Metallurgy | 0 | Expired |
| US4622064A | Triazolo-(3,2-c)perhydroxazin-8-one derivatives and use as fungicides and plant growth regulators | Human Necessities | 0 | Expired |
| US5622914A | Quinoline compounds as fungicides or bactericides | Chemistry; Metallurgy | 0 | Expired |
| US5000778A | 2-aryl-2-(3-pyridyl)-1,3-dioxalanes, dithiolanes and -oxa-thiolanes having herbicidal and pesticidal activity | Chemistry; Metallurgy | 0 | Expired |
| US4729998A | Cyclic carbamates and fungicidal use | Chemistry; Metallurgy | 0 | Expired |
| US4708953A | Salicylamide derivatives | Human Necessities | 0 | Expired |
| US5117053A | N-benzyl-cyclopropanecarboxamide fungicides | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.