Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989363 | LED filament and LED bulb with LED filament | Yu-Chun Chung, Yu Min Li | 2021-04-27 |
| 10215342 | LED filament and LED bulb with LED filament | Yu-Chun Chung, Yu Min Li | 2019-02-26 |
| 9653668 | LED filament and filament-type LED bulb | Yu-Chun Chung, Hong-Zhi Liu | 2017-05-16 |