Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483752 | Erase method for nonvolatile semiconductor memory device | — | 2002-11-19 |
| 6445622 | Voltage level shifter circuit and nonvolatile semiconductor storage device using the circuit | — | 2002-09-03 |
| 6442075 | Erasing method for nonvolatile semiconductor memory device capable of improving a threshold voltage distribution | — | 2002-08-27 |
| 6433582 | Voltage level shifter circuit | — | 2002-08-13 |
| 6426894 | Method and circuit for writing data to a non-volatile semiconductor memory device | — | 2002-07-30 |
| 6404681 | Method for erasing data from a non-volatile semiconductor memory device | — | 2002-06-11 |