Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420367 | Roll replacing device and tab welding apparatus | Xiaofei Yang | 2025-09-23 |
| 12325603 | Coil replacing device | Xiaofei Yang | 2025-06-10 |
| 12275097 | Tab welding device | Xiaofei Yang | 2025-04-15 |
| 12264025 | Roll replacing apparatus and winding device | Xiaofei Yang | 2025-04-01 |