Issued Patents All Time
Showing 1–4 of 4 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 |
| 10551282 | Apparatus and method for testing performance of an electrosurgical tool | Po Wan Shum, Zhifeng Zhou | 2020-02-04 |
| 10519539 | Method for hydrogen-free diamond-like coatings having isolated carbon particle embedded within | Abdul Wasy Zia, Zhifeng Zhou | 2019-12-31 |