Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8432628 | Optical film | Tzeng-Ke Shiau, Chao-Hung Weng, Wei-Chung Chao, Chang Liu | 2013-04-30 |
| 6797959 | Sensitivity adjusting equipment of photoelectric smoke detector | Shenq-Tsong Chang, Ho-Lin Tsay, Tai-Shan Liao, Ting-Ming Huang | 2004-09-28 |