Ryuji Seki
20Patents
6h-index
18Co-inventors
66Inventor score
Filing activity: Oct 5, 1994 → Jan 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6720371B2 | Water repellent and oil resistant composition | Textiles; Paper | 35 | Expired |
| US6716944B2 | Water and oil repellent composition | Chemistry; Metallurgy | 17 | Expired |
| US6860926B2 | Fluorine-containing compound, and water and oil repellent composition | Textiles; Paper | 12 | Expired |
| US5648568A | Method for producing a hydrofluorocarbon | Chemistry; Metallurgy | 6 | Expired |
| US6306944A | Composition for treating paper and paper treated therewith | Textiles; Paper | 6 | Expired |
| US6872324B2 | Aqueous dispersion | Textiles; Paper | 6 | Expired |
| US5523476A | Processes for producing tetrafluorophthalic anhydride and fluorobenzoic acids | Chemistry; Metallurgy | 4 | Expired |
| US5648504A | Process for producing tetrafluorophthalic anhydride | Chemistry; Metallurgy | 4 | Expired |
| US10221112B2 | Method of manufacturing 1-chloro-2,3,3-trifluoropropene | Chemistry; Metallurgy | 4 | Active |
| US8609795B2 | Water and oil repellent composition | Textiles; Paper | 3 | Active |
| US6447588B1 | Water-and-oil repellant composition of aqueous dispersion type | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8568931B2 | Non-aqueous electrolyte solution for secondary batteries | Emerging Cross-Sectional Technologies | 2 | Active |
| US5557017A | Method for producing a hydrofluorocarbon | Chemistry; Metallurgy | 2 | Expired |
| US5618986A | Method for producing a hydrofluorocarbon | Chemistry; Metallurgy | 2 | Expired |
| US7723439B2 | Process for producing a polyfluoroalkyl (meth)acrylate | Chemistry; Metallurgy | 1 | Active |
| US7812086B2 | Fluorinated elastomer latex, its production method, fluorinated elastomer and fluororubber molded product | Chemistry; Metallurgy | 1 | Active |
| US5763709A | Method for producing a hydrofluorocarbon | Chemistry; Metallurgy | 1 | Expired |
| US8642820B2 | Process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene and 2,3,3,3-tetrafluoropropene | Chemistry; Metallurgy | 1 | Active |
| US10703694B2 | Method of manufacturing 1-chloro-2,3,3-trifluoropropene | Chemistry; Metallurgy | 0 | Active |
| US8444857B2 | Method for purifying fluorinated compound | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.