Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211294 | Semiconductor device and method of manufacturing the same | Wonhyuk Lee, Jeongyun Lee, Yongseok Lee, Bosoon Kim, Sangduk Park +1 more | 2021-12-28 |
| 11031340 | Semiconductor device including a multilayer etch stop layer | Hongsik Shin, Sanghyun Lee, Hakyoon Ahn, Seonghan Oh | 2021-06-08 |