Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11342011 | Semiconductor memory device and operating method of semiconductor memory device to reduce duty errors | Hun-Dae Choi | 2022-05-24 |
| 11177814 | Delay locked loop circuit and semiconductor memory device having the same | Hundae Choi | 2021-11-16 |
| 11145355 | Calibration circuit for controlling resistance of output driver circuit, memory device including the same, and operating method of the memory device | Hundae Choi, Junha Lee | 2021-10-12 |
| 10861516 | Semiconductor memory device and operating method of semiconductor memory device | Hun-Dae Choi | 2020-12-08 |