Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209137 | Spot downlight apparatus | Digen Shen, Changhe Zhong | 2021-12-28 |
| 11057971 | Chip-on-board illuminating device | Changhe Zhong, Digen Shen, Xiaoping Zhu, Zhongkai Chen | 2021-07-06 |