Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11121154 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2021-09-14 |
| 11107833 | Semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2021-08-31 |
| 10978479 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2021-04-13 |