Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834380 | Preparation method of alumina ceramic valve core ceramic chip and product thereof | Jianping Cao, Jianhui Cao, Ping LIU | 2023-12-05 |
| 11285637 | High reliability mechanical automatic ceramic plate dry press device | Jianping Cao, Jianhui Cao, Ping LIU | 2022-03-29 |