Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398613 | Side door bolt-free ram blowout preventer | Jianhua Tang, Hongqi Xu, Shangwen Su, Weiheng Liao, Zhiming Qu +5 more | 2025-08-26 |
| 12351521 | Silicon nitride ceramic material for mobile phone rear cover and preparation method therefor | Jingxian ZHANG, Yusen Duan, Ning Liu, Ruixin Ma | 2025-07-08 |