Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794712 | Nonvolatile semiconductor memory device and process of production and write method thereof | — | 2004-09-21 |
| 6721205 | Nonvolatile semiconductor memory device and methods for operating and producing the same | Toshio Kobayashi, Hiroyuki Moriya | 2004-04-13 |
| 6717860 | Method of erasing non-volatile semiconductor memory device and such non-volatile semiconductor memory device | — | 2004-04-06 |
| 6674120 | Nonvolatile semiconductor memory device and method of operation thereof | — | 2004-01-06 |