Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10906350 | Pattern forming method for quartz surface and pattern forming device for quartz surface | Jin-seok Kwak, Suk-whan Ko, Joong Heon Lee, Ju Yeon Won, Jung Sang Lee +2 more | 2021-02-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10906350 | Pattern forming method for quartz surface and pattern forming device for quartz surface | Jin-seok Kwak, Suk-whan Ko, Joong Heon Lee, Ju Yeon Won, Jung Sang Lee +2 more | 2021-02-02 |