Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427132 | Voltage detection circuit and method thereof | Ya-Mei Chang, Hung-Liang Liu, Cheng-Yang Tsai | 2013-04-23 |
| D525894 | Structure of a light and sign assembly for showing the direction of an emergency exit | Liang-Chieh Chiang, Pei-Chun Ko, Wan-Jung Wu, Wen-Shou Wang, Jack C. Chu | 2006-08-01 |