Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398512 | Steel cord for rubber reinforcement | Haijun Ma, Yaodong Li | 2025-08-26 |
| 12351980 | Steel cord for rubber reinforcement | Haijun Ma | 2025-07-08 |
| 12296631 | Steel cord for rubber reinforcement | Haidong Xi, Wei Zhou | 2025-05-13 |
| 12257867 | Steel cord for rubber reinforcement | — | 2025-03-25 |