Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12229450 | Semiconductor memory device | Akio SUGAHARA, Zhao Lu, Yuji Nagai | 2025-02-18 |
| 12087396 | Memory system | Akio SUGAHARA, Mitsuhiro Abe, Hisashi Fujikawa, Yuji Nagai, Zhao Lu | 2024-09-10 |
| 12062412 | Semiconductor memory device | Zhao Lu, Yuji Nagai, Akio SUGAHARA, Masaru Koyanagi | 2024-08-13 |
| 11942180 | Memory system | Zhao Lyu, Akio SUGAHARA, Yuji Nagai, Hisashi Fujikawa | 2024-03-26 |
| 11861226 | Semiconductor memory device | Akio SUGAHARA, Zhao Lu, Yuji Nagai | 2024-01-02 |
| 11587599 | Memory system, memory chip, and controller for two different voltage ranges | — | 2023-02-21 |
| 11404101 | Memory system and semiconductor storage device configured to discharge word line during abrupt power interrupt | Yusuke Tanefusa | 2022-08-02 |
| 11309053 | Semiconductor memory device and storage device | Koichi Shinohara, Yusuke Tanefusa | 2022-04-19 |