Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11453941 | Cerium oxide coating, its preparation and use | Kwok Yan Li, Zhen Shi, Zhifeng Zhou | 2022-09-27 |
| 11365481 | Homogeneous and transparent protective coatings for precious metals and copper alloys | Kwok Yan Li, Zhifeng Zhou | 2022-06-21 |
| 10551282 | Apparatus and method for testing performance of an electrosurgical tool | Kwok Yan Li, Zhifeng Zhou | 2020-02-04 |