Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713503 | Sapphire coated substrate with a flexible, anti-scratch and multi-layer coating | Kok Wai Cheah, Wing Yui Lam, Shing Chi Ricky Tse, Suet Ying Ching, Hoi Lam Tam | 2023-08-01 |
| 11028471 | Sapphire thin film coated substrate | Kok Wai Cheah, Wing Yui Lam | 2021-06-08 |
| 10941480 | Sapphire thin film coated flexible substrate | Kok Wai Cheah, King Fai Li, Hoi Lam Tam, Guixin Li, Wing Yui Lam | 2021-03-09 |
| 10072329 | Sapphire thin film coated flexible substrate | Kok Wai Cheah, King Fai Li, Hoi Lam Tam, Ka Suen Lee, Guixin Li +1 more | 2018-09-11 |