Seishi Ito
29Patents
7h-index
42Co-inventors
69Inventor score
Filing activity: Jun 15, 1984 → Jun 21, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5589439A | Tetrazolinone derivatives | Chemistry; Metallurgy | 26 | Expired |
| US5362704A | Herbicidal tetrazolinones | Human Necessities | 20 | Expired |
| US6284710A | Substituting 2-amino-4-alkylamino-1,3,5-triazine as herbicide | Chemistry; Metallurgy | 16 | Expired |
| US6969697B2 | Substituted benzoylcyclohexenones | Chemistry; Metallurgy | 10 | Expired |
| US5605920A | Tetrazolinones | Chemistry; Metallurgy | 8 | Expired |
| US6790810B2 | Tetrazolinone derivatives | Chemistry; Metallurgy | 7 | Expired |
| US5641727A | Herbicidal 1-pyridyltetrazolinones | Human Necessities | 7 | Expired |
| US4568381A | Novel herbicidally active substituted phenylsulfonyl guanidines and intermediates thereof | Chemistry; Metallurgy | 6 | Expired |
| US5652198A | Herbicidally active tetrazolinones | Human Necessities | 4 | Expired |
| US5776858A | 1-azinyl-tetrazolinones | Human Necessities | 4 | Expired |
| US5747420A | Tetrazolinones | Chemistry; Metallurgy | 3 | Expired |
| US6262275A | Herbicidal 1-substituted methyl-tetrazolinones | Human Necessities | 3 | Expired |
| US5654257A | 1-cycloalkenyltetrazolinones | Human Necessities | 3 | Expired |
| US4747865A | Substituted phenoxyalkanecarboxylic acid esters | Chemistry; Metallurgy | 3 | Expired |
| US5541336A | Herbicidal tetrazolinones | Human Necessities | 3 | Expired |
| US5668087A | Herbicidal 1-alkenyltetrazolinones | Human Necessities | 3 | Expired |
| US5650374A | Herbicidal 1-cyclopropyl tetrazolinones | Human Necessities | 3 | Expired |
| US6624121B1 | Herbicidal tetrazolinone derivatives | Chemistry; Metallurgy | 2 | Expired |
| US6548450B1 | Tetrazolinone derivatives | Human Necessities | 2 | Expired |
| US5635446A | Herbicidal tetrazolinones combined with other herbicides | Human Necessities | 2 | Expired |
| US5710278A | Herbicidal 1-pyridyltetrazolinones | Human Necessities | 2 | Expired |
| US4666503A | Substituted phenoxyalkanecarboxylic acid esters used to combat weeds in rice fields | Chemistry; Metallurgy | 2 | Expired |
| US5935907A | Phenylacetylene derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5641725A | Sulphonylaminophenyluracil herbicides for paddy field | Human Necessities | 1 | Expired |
| US6017853A | Herbicidal 1-substituted methyl-tetrazolinones | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.