Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11120998 | Etching method and methods of manufacturing semiconductor device using the same | Sang Hyun Lee, Jeon Il Lee, Sung Woo Kang, Young Mook Oh, Seung Min Lee | 2021-09-14 |
| 11114535 | Integrated circuit devices and methods of manufacturing the same | Hak-Yoon Ahn, Sang Hyun Lee, Sung Woo Kang, Seong-han Oh, Young Mook Oh +1 more | 2021-09-07 |