Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822901 | Non-volatile memory circuit comprising automatic erase function | — | 2004-11-23 |
| 6728136 | Electronically rewritable non-volatile semiconductor memory device | — | 2004-04-27 |
| 6711055 | Nonvolatile semiconductor memory device of dual-operation type with data protection function | — | 2004-03-23 |