Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654935 | Semiconductor memory | Hiroyuki Koinuma | 1997-08-05 |
| 5623446 | Semiconductor integrated circuit having a voltage booster and precharging circuit | Hiroyuki Koinuma | 1997-04-22 |