Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770932 | Semiconductor memory device having a memory region and a peripheral region, and a manufacturing method thereof | Hiroaki Tsunoda | 2004-08-03 |
| 6720610 | Nonvolatile semiconductor memory device and its manufacturing method | Tadashi Iguchi, Hiroaki Tsunoda | 2004-04-13 |