Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969643 | Mask and manufacturing method thereof, and light shielding device and control method thereof | Benxiang Hou, Zhiguang Guo, Xin Xiang | 2021-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969643 | Mask and manufacturing method thereof, and light shielding device and control method thereof | Benxiang Hou, Zhiguang Guo, Xin Xiang | 2021-04-06 |