Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11565914 | Hand lifting device and projection apparatus using the same | Ning Hsieh | 2023-01-31 |
| 11525976 | Focusing mechanism and projection device | Chi-Chen Chen | 2022-12-13 |
| 8608257 | Projector suspension device | Fan-Chieh Chang, Hao-Chang Tsao | 2013-12-17 |