Ping I. Lee
15Patents
12h-index
9Co-inventors
71Inventor score
Filing activity: Dec 27, 1977 → Aug 20, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4619793A | Method of producing annealed polyvinyl alcohol contact lens | Emerging Cross-Sectional Technologies | 746 | Expired |
| US4624848A | Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use | Human Necessities | 116 | Expired |
| US4289815A | Cold water-insoluble polyvinyl alcohol pouch for the controlled release of active ingredients | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5846971A | Oral antifungal composition | Human Necessities | 46 | Expired |
| US4729190A | Membrane-forming polymeric systems | Human Necessities | 41 | Expired |
| US5834472A | Antifungal composition with enhanced bioavailability | Human Necessities | 32 | Expired |
| US5972381A | Solid solution of an antifungal agent with enhanced bioavailability | Human Necessities | 29 | Expired |
| US4559186A | Production of borate crosslinked polyvinyl alcohol contact lenses | Physics | 19 | Expired |
| US4749576A | Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use | Human Necessities | 16 | Expired |
| US6284375A | Lipid vesicle system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4340491A | Cold water-insoluble polyvinyl alcohol pouch for the controlled release of active ingredients | Chemistry; Metallurgy | 13 | Expired |
| US6632455B2 | Molecular dispersion composition with enhanced bioavailability | Human Necessities | 12 | Expired |
| US4248380A | Aqueous-based air treating systems | Human Necessities | 12 | Expired |
| US5174929A | Preparation of stable polyvinyl alcohol hydrogel contact lens | Physics | 2 | Expired |
| US8992945B2 | Supramacromolecular polymer complexes providing controlled nitric oxide release for healing wounds | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.