Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563734 | Non-volatile semiconductor memory device capable of executing erasable, writable and readable functions simultaneously | — | 2003-05-13 |
| 5673222 | Nonvolatile semiconductor memory device | Katsumi Fukumoto | 1997-09-30 |