Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10062427 | Semiconductor memory device for controlling having different refresh operation periods for different sets of memory cells | Young Sik Kim, Young-Yong Byun | 2018-08-28 |
| 9601179 | Semiconductor memory device, method of performing a refresh for semiconductor memory device and refresh counter in semiconductor memory device | Young-Yong Byun | 2017-03-21 |
| 8058908 | Level detector, voltage generator, and semiconductor device | Byung-Chul Kim | 2011-11-15 |