Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434054 | Non-volatile semiconductor memory device controlling the range of distribution of memory cell threshold voltages | Toru Tanzawa, Masanobu Saito | 2002-08-13 |
| 6434080 | Semiconductor memory and method of controlling the same | — | 2002-08-13 |
| 6351417 | Non-volatile semiconductor memory device having a function for controlling the range of distribution of memory cell threshold voltages and method of erasing data thereof | Toru Tanzawa, Masanobu Saito | 2002-02-26 |