Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560616 | Mask device, mask plate, and frame | Shanshan Bai, Yansong Li | 2023-01-24 |
| 11355707 | Mask having shielding part within opening and manufacturing method thereof, evaporation method and display screen with active area surrounding functional component area | Shanshan Bai, Kuo Sun, Dongmei Xie | 2022-06-07 |