Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11662065 | Manufacturing method of LED filament and manufacturing method of bulb | Yaoxing Wang, Zhaozhang Zheng, Lingli Ma | 2023-05-30 |
| 11619357 | LED filament and bulb | Yaoxing Wang, Zhaozhang Zheng, Lingli Ma | 2023-04-04 |
| 11614221 | Lamp | Zhaozhang Zheng, Lingli Ma | 2023-03-28 |