Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10748929 | Three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2020-08-18 |
| 10600801 | Three-dimensional semiconductor memory devices | Changhyun Lee, Hyejin Cho | 2020-03-24 |
| 10586808 | Semiconductor device including a stack having a sidewall with recessed and protruding portions | Yoocheol Shin, Changhyun Lee, Hyunjung Kim, Chung-Il Hyun | 2020-03-10 |
| 10559590 | Three-dimensional semiconductor devices | Changhyun Lee, Chanjin Park, Sung-Il Chang | 2020-02-11 |