Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399389 | User wearable optical article, method for producing and eyewear using the same | Yu Liu, Chit Yaw Fu, Xingzhao DING | 2025-08-26 |
| 11822709 | Systems, devices and methods using spectacle lens and frame | Yu Liu, Chit Yaw Fu, Xingzhao DING | 2023-11-21 |