Takehiro Chaki
34Patents
3h-index
22Co-inventors
59Inventor score
Filing activity: Oct 26, 2007 → Jan 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8344191B2 | Process for preparing 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 6 | Active |
| US9708234B2 | Process for producing fluorine-containing olefin | Emerging Cross-Sectional Technologies | 4 | Active |
| US8900417B2 | Purification method of 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 3 | Active |
| US8420873B2 | Process for preparing 2,3,3,3-tetrafluoropropene | Chemistry; Metallurgy | 3 | Active |
| US7973202B2 | Method for producing fluorine-containing olefin | Chemistry; Metallurgy | 2 | Active |
| US9938209B2 | Method for producing 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 1 | Active |
| US8080696B2 | Method for producing olefin | Chemistry; Metallurgy | 0 | Active |
| US11780793B2 | Method for producing 1,1,2-trifluoroethane (HFC-143) | Chemistry; Metallurgy | 0 | Active |
| US11377406B2 | Fluoroethane production method and fluoroolefin production method | Emerging Cross-Sectional Technologies | 0 | Active |
| US12258364B2 | Method for purifying phosphorus-containing olefin compound salt and method for producing olefin compound using purified product obtained thereby | Chemistry; Metallurgy | 0 | Active |
| US11691935B2 | Production method for fluoro-ethane and production method for fluoro-olefin | Emerging Cross-Sectional Technologies | 0 | Active |
| US9573868B2 | Method for purifying chlorinated hydrocarbon | Emerging Cross-Sectional Technologies | 0 | Active |
| US10053405B2 | Method for producing fluorine group-containing haloolefin compound and composition | Chemistry; Metallurgy | 0 | Active |
| US12275681B2 | Olefin compound production method | Chemistry; Metallurgy | 0 | Active |
| US10173952B2 | Method for producing chloropropene and method for producing 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 0 | Active |
| US11312673B2 | Method for producing 1,1,2-trifluoroethane (HFC-143) | Chemistry; Metallurgy | 0 | Active |
| US9975824B2 | Method for producing 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 0 | Active |
| US10829426B2 | Composition containing hydrofluoroolefin compound | Chemistry; Metallurgy | 0 | Active |
| US10125067B2 | Method for producing fluorine-containing alkane | Chemistry; Metallurgy | 0 | Active |
| US11236030B2 | Method for producing fluoroolefin | Chemistry; Metallurgy | 0 | Active |
| US10590049B2 | Method for producing tetrafluoropropene | Emerging Cross-Sectional Technologies | 0 | Active |
| US10047023B2 | Method for producing 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 0 | Active |
| US10472309B2 | Composition containing hydrofluoroolefin compound | Chemistry; Metallurgy | 0 | Active |
| US9452958B2 | Process for producing fluorine-containing olefin | Emerging Cross-Sectional Technologies | 0 | Active |
| US11247951B2 | Method for producing difluoroethylene | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.