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 | Kangyoon Choi, Gilsung Lee, Dong-Sik Lee, Eunsuk Cho | 2022-08-02 |
| 10672792 | Three-dimensional semiconductor memory device | Kangyoon Choi, Gilsung Lee, Dong-Sik Lee, Eunsuk Cho | 2020-06-02 |
| 8064259 | Nonvolatile NAND-type memory devices including charge storage layers connected to insulating layers | Changhyun Lee, Jungdal Choi, Yoocheol Shin | 2011-11-22 |