Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6249477 | Semiconductor memory device | — | 2001-06-19 |
| 5668759 | Method for erasing and verifying nonvolatile semiconductor memory | — | 1997-09-16 |
| 5592430 | Semiconductor device equipped with simple stable switching circuit for selectively supplying different power voltages | — | 1997-01-07 |
| 5574679 | Memory data protection for a ferroelectric memory | Hiroki Koike | 1996-11-12 |