Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8525814 | System and method of distinguishing multiple touch points applied to an optical touch system | Chin-Chin Chen | 2013-09-03 |
| 8493362 | Image-based coordinate input apparatus and method utilizing buffered images | Teng-Chieh Kang, Chin-Chin Chen | 2013-07-23 |