Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027498 | Speaker capable of emitting light | Chu-Chia Tsai, Lai-Shi Huang | 2011-09-27 |
| 8013747 | Driving safety warning method and device for a drowsy or distracted driver | — | 2011-09-06 |