Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473765 | Electric light source device and lamp | Qing Lan, Shoubao Chen, Ligen Liu | 2022-10-18 |
| D959377 | Resistance control device for a lighting device | Qing Lan, Ligen Liu, Shoubao Chen, Wenhao Lin | 2022-08-02 |