Alex Cheung
8Patents
6h-index
15Co-inventors
52Inventor score
Filing activity: Mar 19, 1992 → Jun 15, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5420304A | Method to produce cyclic esters | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5319107A | Method to produce cyclic esters | Chemistry; Metallurgy | 21 | Expired |
| US5750732A | Method to produce cyclic esters | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6025458A | Degradable polydioxaneone-based materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5556895A | Degradable polydioxaneone-based materials | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5445952A | Method to produce biotin | Chemistry; Metallurgy | 6 | Expired |
| US5801223A | Degradable polydioxaneone-based materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5767222A | Degradable polydioxaneone-based materials | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.