Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720606 | Dynamic semiconductor memory device having a trench capacitor | Akihiro Nitayama, Katsuhiko Hieda, Yusuke Kohyama | 2004-04-13 |
| 6696713 | Semiconductor memory provided with vertical transistor and method of manufacturing the same | — | 2004-02-24 |