Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049847 | Semiconductor device for preventing defects between bit lines and channels | Kohji Kanamori, Yongseok Kim, Kyunghwan Lee, Jeehoon Han | 2021-06-29 |
| 10978480 | Three-dimensional semiconductor memory device | Kyunghwan Lee, Yongseok Kim, Byoung-taek Kim, Tae Hun Kim, Dongkyun Seo | 2021-04-13 |
| 10971238 | Three-dimensional semiconductor memory devices and methods of operating the same | Kohji Kanamori, Yongseok Kim, Kyunghwan Lee | 2021-04-06 |