Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274840 | Adaptive groove focusing and leveling device and method | Feibiao Chen | 2019-04-30 |
| 10197923 | Exposure device and out-of-focus and tilt error compensation method | Feibiao Chen, Chang Zhou, Yuefei Chen, Qi Cheng, Lei Diao | 2019-02-05 |