Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008100 | Light emitting diode package structure and manufacturing method therefor | Chih-Chia Tsai, Cheng-Yi Chang | 2011-08-30 |
| 7939846 | Circuit board for LED | Chin-Ching Chen, Cheng-Yi Chang | 2011-05-10 |