Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202896 | Hand gesture based tattoo machine control | — | 2021-12-21 |
| 9647375 | Power connector products with improved safety shutters | Harrison Lee, Ying-Chieh Huang | 2017-05-09 |
| 9647402 | Power connector products with improved Schuko grounding socket | Harrison Lee, Ying-Chieh Huang | 2017-05-09 |
| 9484659 | UL compliant and IEC compliant power connector products | Harrison Lee, Ying-Chieh Huang | 2016-11-01 |
| 4540289 | Automatic stirring system for film developing | Richard M. H. Cheng | 1985-09-10 |
| 4489792 | Hammer drill adapter | Atef E. F. Fahim, Richard M. H. Cheng | 1984-12-25 |
| 4393869 | Electronically controlled respirator | Abraham Boyarsky, Jack Friedman, Athanasios Christodoulopoulos | 1983-07-19 |