Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11453941 | Cerium oxide coating, its preparation and use | Zhen Shi, Po Wan Shum, Zhifeng Zhou | 2022-09-27 |
| 11365481 | Homogeneous and transparent protective coatings for precious metals and copper alloys | Zhifeng Zhou, Po Wan Shum | 2022-06-21 |