Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360049 | Non-volatile semiconductor memory device having a password protection function | — | 2008-04-15 |
| 6947342 | Semiconductor storage device and information apparatus using the same | Takahiro Nakai | 2005-09-20 |
| 6804157 | Charging circuit and semiconductor memory device using the same | — | 2004-10-12 |
| 6717872 | Charging circuit and semiconductor memory device using the same | — | 2004-04-06 |