Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523969 | Illuminating device | Chien-Jen Yang, Sheng-Shyong Kao | 2003-02-25 |
| 6388576 | Minitype alcohol excessive warning device | Yi-Chia Shen, Ching-Piao Lin, Yao-Tsung Chang | 2002-05-14 |