Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156994 | Automated guided vehicle control system and method thereof | Kyung Dong Park, Sang-Won Yoon | 2021-10-26 |
| 11155906 | Pressure vessel steel having excellent hydrogen induced cracking resistance, and manufacturing method therefor | Dae-Woo Kim, Jong-Kyo Choi | 2021-10-26 |
| 11133327 | Three-dimensional semiconductor device | Hyoung-ryeol In, Sung Han Cho | 2021-09-28 |
| 11081499 | Nonvolatile memory device and method for fabricating the same | Bong-Tae Park, Ho-Jun Seong | 2021-08-03 |
| 10957708 | Semiconductor device | So-Ra Kim, Bong-Tae Park | 2021-03-23 |
| 10950619 | Semiconductor memory device | Sunghan Cho | 2021-03-16 |
| 10923489 | Three-dimensional semiconductor devices including vertical structures | — | 2021-02-16 |