Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190185 | Impedance calibration circuit and semiconductor apparatus including the same | Eun Ji CHOI, Keun Seon AHN, Yo Han Jeong | 2021-11-30 |
| 11170827 | Data buffer and memory device having the same | — | 2021-11-09 |
| 11158356 | Calibration circuit and operating method of the calibration circuit | Kwan Su Shon, Keun Seon AHN, Yo Han Jeong, Eun Ji CHOI | 2021-10-26 |
| 11153066 | Signal receiving device, and a semiconductor apparatus and a semiconductor system including the signal receiving device | Soon Sung AN, Kwan Su Shon | 2021-10-19 |
| 10991401 | Input/output circuit, memory device having the same, and operating method thereof | — | 2021-04-27 |