Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11985812 | Semiconductor memory device including a trench gate structure and method of forming the same | Toshiyasu Fujimoto | 2024-05-14 |
| 11799027 | Semiconductor device | Kazuo Ogawa | 2023-10-24 |
| 10804390 | Semiconductor device with silicon pillar having a device isolation film contacting a surface thereof | Kazuo Ogawa | 2020-10-13 |
| 8357577 | Manufacturing method of semiconductor device having vertical type transistor | Yoshihiro Takaishi | 2013-01-22 |