Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11358407 | Multilayered optical security device | Zeineb Ben Aziza, Xiaohan Wang, Ting Hao, Kenny Chan | 2022-06-14 |
| 11269203 | Multifocal system with polarization-independent focusing | Ming Wai Alwin Tam, Xiaohan Wang, Zhuanyun Zhang, Kin Lung Chan | 2022-03-08 |
| 11243170 | Multi-functional precious stone testing apparatus and method thereof | Gary Bruce Peckham | 2022-02-08 |