Chul Hee Ryu
13Patents
3h-index
18Co-inventors
57Inventor score
Filing activity: Oct 28, 1998 → Oct 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6507616B1 | Video signal coding method | Electricity | 18 | Expired |
| US9486778B2 | Super absorbent polymer and preparation method thereof | Chemistry; Metallurgy | 6 | Active |
| US10285866B2 | Super absorbent polymer | Chemistry; Metallurgy | 3 | Active |
| US9433921B2 | Method for preparing a super absorbent polymer | Chemistry; Metallurgy | 3 | Active |
| US9701796B2 | Preparation method of superabsorbent polymer | Chemistry; Metallurgy | 3 | Active |
| US7108788B2 | On-site treatment method of food waste generated from collective residence or institutional food service facilities | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10335768B2 | Super absorbent polymer | Chemistry; Metallurgy | 1 | Active |
| US9156974B2 | Method of preparing a super absorbent polymer and a super absorbent polymer prepared therefrom | Chemistry; Metallurgy | 0 | Active |
| US10889673B2 | Super absorbent polymer and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
| US9808787B2 | Super absorbent polymer and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
| US9708452B2 | Method of preparing superabsorbent polymer | Chemistry; Metallurgy | 0 | Active |
| US8249146B2 | Method for selecting content adaptive coding mode | Electricity | 0 | Active |
| US10150829B2 | Super absorbent polymer and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.