Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803620 | Non-volatile semiconductor memory device and a method of producing the same | Toshio Kobayashi | 2004-10-12 |
| 6721205 | Nonvolatile semiconductor memory device and methods for operating and producing the same | Toshio Kobayashi, Ichiro Fujiwara | 2004-04-13 |