Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201155 | Semiconductor device and method for fabricating the same | Sang-Woo Lee, Sung Ki Kim | 2021-12-14 |
| 11049766 | Etch stop layer for semiconductor structure | Sang-Woo Lee, Sung Ki Kim | 2021-06-29 |
| 11037931 | Method for fabricating semiconductor device | Hasung Lee, Sung Ki Kim | 2021-06-15 |
| 10923311 | Cathode for ion source comprising a tapered sidewall | Jong Moo Choi, Heung Woo Park, Hasung Lee | 2021-02-16 |