Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12077839 | Alloy with interference thin film and method for making the same | Wai Kei Cheung, Candice Wing Jong Tong | 2024-09-03 |
| 12054819 | Amorphous alloy | Wai Kei Cheung, Mei Tsz Macy WONG | 2024-08-06 |
| 11874231 | System and method for gemstone identification | Wai Chiu Lam, Tat Ming Ng, Kwok Bun Cheng | 2024-01-16 |
| 11268174 | Jewelry alloy | Wai Kei Cheung, Mei Tsz Macy WONG | 2022-03-08 |
| 10612149 | Platinum electrodeposition bath and uses thereof | Wai Kei Cheung, Candice Wing Jong Tong | 2020-04-07 |