Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670642 | Semiconductor memory device using vertical-channel transistors | Norikatsu Takaura, Hideyuki Matsuoka, Riichiro Takemura, Kousuke Okuyama, Masahiro Moniwa +2 more | 2003-12-30 |