Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657249 | Nonvolatile semiconductor memory device with peripheral circuit part comprising at least one of two transistors having lower conductive layer same perpendicular structure as a floating gate | Naoki Tsuji | 2003-12-02 |