Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567312 | Non-volatile semiconductor memory device having a charge storing insulation film and data holding method therefor | Satoshi Torii, Hideyuki Kojima | 2003-05-20 |
| 6559691 | Voltage level converting circuit | Motoko Tanishima | 2003-05-06 |
| 6532173 | Nonvolatile semiconductor memory device with mechanism to prevent leak current | Osamu Iioka, Naoto Emi, Atsushi Shoji | 2003-03-11 |