Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8773035 | Electronic ballast with real-time current crest factor improvement function | Chang-Ching Wang, Chin-Ho Chou, Weng-Fatt Chan | 2014-07-08 |
| 7258548 | Portable electronic device and external module thereof | — | 2007-08-21 |