Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145350 | Memory device for refreshing redundancy area word lines, and refresh method thereof | — | 2021-10-12 |
| 10965292 | Delay-locked loop device and operation method therefor | — | 2021-03-30 |
| 10950314 | Semiconductor device | Shigeki Nagasaka, Toshiyuki Kouchi | 2021-03-16 |
| 10930336 | Memory device and row-hammer refresh method thereof | — | 2021-02-23 |
| 10892764 | Delay locked loop device and update method thereof | — | 2021-01-12 |