Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10667353 | Lighting system of alternate current light-emitting diodes | Ying-Diean Hwang | 2020-05-26 |
| 10154557 | Light-emitting diode driver device having a multi-stage driver module and method for driving the same | Ying-Diean Hwang | 2018-12-11 |
| 9437052 | Vehicle after-sales service system | — | 2016-09-06 |
| 7991434 | Combi-sim card framework of electronic purse combining wireless transceiver of mobile device | Hong-Kai Yen, Chen-Shin Miou, Yeou-Fuh Kuan, Horng-Ren Chang | 2011-08-02 |