Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044051 | Variable torsion spring damping rotating shaft | — | 2024-07-23 |
| 11378239 | Desk lamp | — | 2022-07-05 |
| 10989395 | LED lighting fixture, lens module and lamp fastener | Guolong Ni | 2021-04-27 |
| 10928041 | LED lamp, and lens module thereof | Guolong Nl | 2021-02-23 |
| 10914452 | Optical element, light source circuit and lighting device | Guobao ZHANG, Yang Li, Chao Yan | 2021-02-09 |