Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221375 | Curved glass tempering apparatus with effect of weakening stress patterns | Yan Zhao, Xibin Zhang | 2025-02-11 |
| 9630870 | Method for manufacturing columnar curved tempered glass | Yan Zhao | 2017-04-25 |
| 9604866 | Device for manufacturing columnar curved tempered glass | Yan Zhao | 2017-03-28 |