Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11121147 | Semiconductor storage device | Yoshitaka Kubota, Tetsuaki Utsumi, Yoshiro Shimojo, Ryota Katsumata | 2021-09-14 |
| 11107508 | Semiconductor memory device | Keiji Hosotani, Fumitaka Arai | 2021-08-31 |
| 11011541 | Semiconductor memory device in which memory cells are three-dimensionally arrange | Fumitaka Arai | 2021-05-18 |
| 10991713 | Semiconductor memory device | Satoshi Nagashima, Fumitaka Arai, Shinya Arai, Yasuhiro Uchiyama | 2021-04-27 |
| 10978471 | Semiconductor memory device | — | 2021-04-13 |