Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11404435 | Three-dimensional semiconductor memory device including first vertical structure on first region of substrate and wider second vertical structure on second region of substrate | Gilsung Lee, Dong-Sik Lee, Yongsik Yim, Eunsuk Cho | 2022-08-02 |
| 10903236 | Three-dimensional semiconductor memory device | Dong-Sik Lee, Jongwon Kim, Gilsung Lee, Eunsuk Cho, Byungyong Choi +1 more | 2021-01-26 |
| 10672792 | Three-dimensional semiconductor memory device | Gilsung Lee, Dong-Sik Lee, Yongsik Yim, Eunsuk Cho | 2020-06-02 |