Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7383445 | Semiconductor storage device | — | 2008-06-03 |
| 6621734 | Nonvolatile semiconductor memory device and electronic information apparatus | Koji Hamaguchi | 2003-09-16 |
| 6351418 | Memory device capable of preventing from illegally read out memory contents | — | 2002-02-26 |