Hee Chang RYOO
4Patents
2h-index
15Co-inventors
41Inventor score
Filing activity: Jan 15, 2002 → Aug 12, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7173062B2 | Method for the improvement of skin wrinkles using retinyl retinoate | Chemistry; Metallurgy | 5 | Expired |
| US9949900B2 | Method for preparing multilayer lamellar liquid crystal emulsion including intercellular lipids | Human Necessities | 2 | Active |
| US9687423B2 | Method for preparing nanoemulsion | Human Necessities | 1 | Active |
| US9688832B2 | Method for preparing macroporous polymethyl methacrylate | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.