Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873110 | Hid single light emitting point lamp tube switching device for switching lamp tube in positions of far light and near light and the method of the same | Chin-Fa Yen | 2005-03-29 |
| 6580220 | Circuit device for sustaining illumination of vehicle used high illumination discharged lamps | — | 2003-06-17 |
| 6552493 | High-low beam switching device for a headlight | — | 2003-04-22 |