Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11127792 | Three dimensional semiconductor memory devices | Si-Ho Song, Changhyun Cho | 2021-09-21 |
| 11094745 | Variable resistance memory device and method of fabricating the same | Byongju Kim, Young-min Ko, Jonguk Kim, Kwangmin Park, Dongsung Choi | 2021-08-17 |
| 11037992 | Variable resistance memory device | Dongho Ahn, Changyup Park, Zhe Wu | 2021-06-15 |
| 11017989 | Collimator, fabrication apparatus including the same, and method of fabricating a semiconductor device using the same | Jiho Park, Changyup Park | 2021-05-25 |
| 10892410 | Variable resistance memory devices and methods of manufacturing variable resistance memory devices | Jiho Park, Changyup Park, Dongho Ahn | 2021-01-12 |