Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151266 | Method and device of automatically selecting beans | Meng Fang Yu, Chia-Chung Chen | 2024-11-26 |
| 8246219 | Light emitting diode light module and optical engine thereof | Chia-Chen Chang, Wei-Hung Wu, Shang Te Tu | 2012-08-21 |
| 8147101 | LED lamp and heat-dissipating waterproof cover thereof | Shang Te Tu, Chia-Chen Chang, Wei-Hung Wu | 2012-04-03 |
| 8113697 | Passive heat sink and light emitting diode lighting device using the same | Chia-Chen Chang | 2012-02-14 |