Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121132 | Ink delivery system for printers | Alfred I-Tsung Pan, C. S. Chan | 1992-06-09 |
| 5016023 | Large expandable array thermal ink jet pen and method of manufacturing same | C. S. Chan, Gary Hanson | 1991-05-14 |
| 4535343 | Thermal ink jet printhead with self-passivating elements | James G. Bearrs, C. S. Chan, Robert R. Hay, Frank Ura | 1985-08-13 |