Patrick K. Chen
7Patents
7h-index
6Co-inventors
52Inventor score
Filing activity: Jul 21, 1988 → Feb 23, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5034166A | Method of molding a colored contact lens | Physics | 109 | Expired |
| US5916812A | Test sample card with polymethylpentene tape | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5270415A | Balanced charge polymer and hydrophilic contact lens manufactured therefrom | Physics | 24 | Expired |
| US5800778A | Sealant for sample holder | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5391669A | Balanced charge polymer and hydrophilic contact lens manufactured therefrom | Physics | 20 | Expired |
| US5151106A | Method for tinting a hydrophilic polymer by incorporating a reactive dye into the polymer prior to polymerization | Textiles; Paper | 13 | Expired |
| US6245295A | Sample testing apparatus with high oxygen permeable tape providing barrier for closed reaction chamber | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.