Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547032 | Method and device for driving light-emitting diode by alternating current input voltage | Chen-Ming Hung, I-Fong Chen, Chih-Yuan Hsieh | 2013-10-01 |
| 8278832 | Dimmer circuit of light emitting diode and isolated voltage generator and dimmer method thereof | Chen-Ming Hung, Lan-Ting Hsu, Chih-Yuan Hsieh | 2012-10-02 |
| 7728654 | Current generator | Chih-Yuan Hsieh | 2010-06-01 |