Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988741 | Heat treatment method and heat treatment device for single crystal sapphire | Hee Choon Lee, Yi Sik Choi, Sung-Hwan Moon, Bok Kee Na | 2018-06-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988741 | Heat treatment method and heat treatment device for single crystal sapphire | Hee Choon Lee, Yi Sik Choi, Sung-Hwan Moon, Bok Kee Na | 2018-06-05 |