Issued Patents 2022
Showing 1–1 of 1 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 |