Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353553 | Nonvolatile semiconductor memory device having structure storing multivalued data and data storage system comprising the nonvolatile semiconductor memory device | Satoru Tamada, Tatsuya Saeki | 2002-03-05 |