Richard Won
6Patents
6h-index
8Co-inventors
52Inventor score
Filing activity: Jun 18, 1980 → Apr 11, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4690825A | Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen | Chemistry; Metallurgy | 172 | Expired |
| US5145675A | Two step method for preparation of controlled release formulations | Human Necessities | 90 | Expired |
| US5955109A | Methods and compositions for topical delivery of retinoic acid | Human Necessities | 42 | Expired |
| US5871722A | Ionic beads useful for controlled release and adsorption | Human Necessities | 29 | Expired |
| US5840293A | Ionic beads for controlled release and adsorption | Human Necessities | 14 | Expired |
| US4307201A | Highly adsorptive macroporous polymers | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.