Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189348 | Semiconductor memory device | Takeshi Hioka, Masaki UNNO | 2021-11-30 |
| 11024360 | Nonvolatile semiconductor memory device | Toshifumi Watanabe | 2021-06-01 |
| 11011241 | Semiconductor memory device | Yoshihiko Kamata | 2021-05-18 |