Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606266 | Nonvolatile semiconductor memory device capable of writing multilevel data at high rate | — | 2003-08-12 |
| 6586803 | Semiconductor device using an SOI substrate | Hideto Hidaka, Katsuhiro Suma | 2003-07-01 |
| 6577522 | Semiconductor memory device including an SOI substrate | Hideto Hidaka, Katsuhiro Suma | 2003-06-10 |
| 6577534 | Non-volatile semiconductor memory device having a low defective rate | — | 2003-06-10 |