Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280183 | Bulb lamp | Qing Lan, Ligen Liu, Liang Wu, Qinwan Gong | 2025-04-22 |
| D1015579 | Ultraviolet corn lamp | Qing Lan, Shoubao Chen, Ligen Liu | 2024-02-20 |
| 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 |
| 10948940 | Adjustable and pluggable control interface device with sensor thereof | Qing Lan, Ligen Liu, Shoubao Chen | 2021-03-16 |
| 10952304 | Focus pluggable interface control device | Qing Lan, Ligen Liu, Shoubao Chen | 2021-03-16 |
| 10887954 | Resistance control device and its lamp | Qing Lan, Ligen Liu, Shoubao Chen, Wenhao Lin | 2021-01-05 |
| D894434 | LED lamp | Qing Lan, Ligen Liu, Shoubao Chen | 2020-08-25 |
| 10746383 | Multi-angle light source device | Qing Lan, Ligen Liu, Shoubao Chen | 2020-08-18 |
| D886650 | Plug-in sensor for lamps | Qing Lan, Ligen Liu, Shoubao Chen | 2020-06-09 |
| D886651 | Plug-in sensor for lamps | Qing Lan, Ligen Liu, Shoubao Chen | 2020-06-09 |
| D886649 | Plug-in sensor for lamps | Qing Lan, Ligen Liu, Shoubao Chen | 2020-06-09 |
| 10292219 | Lamp with pluggable control interface | Qing Lan, Ligen Liu, Qing Ma, Shoubao Chen | 2019-05-14 |