Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136699 | Dynamic damper and lighting driving circuit comprising the dynamic damper | Lon-Kou Chang, Hsing-Fu Liu, Jyun-Ji Chen | 2015-09-15 |
| 8610375 | Adaptive bleeder circuit | Lon-Kou Chang, Chang-Yu Wu | 2013-12-17 |
| 8575901 | Auto-selecting holding current circuit | Lon-Kou Chang, Hsing-Fu Liu, Chang-Yu Wu | 2013-11-05 |