Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199571 | Coaxial socket of impedance matching structure for semiconductor chip testing and manufacturing method thereof | Lanyong Yin, Zongying Gao, Kai Liu, Zongmao Yang | 2021-12-14 |
| 10884026 | Vertical probe card | Kai Liu | 2021-01-05 |