Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884923 | Optical touch apparatus having a light guide with scattering particles | Chih-Jen Tsang, Chun-Chien Liao, Yu-Lun Jhu | 2014-11-11 |
| 8537138 | Optical touch apparatus having a light guide with scattering particles | Chih-Jen Tsang, Kuo-Nang Lin | 2013-09-17 |