Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670642 | Semiconductor memory device using vertical-channel transistors | Norikatsu Takaura, Hideyuki Matsuoka, Riichiro Takemura, Kousuke Okuyama, Akio Nishida +2 more | 2003-12-30 |
| 6664642 | Semiconductor integrated circuit device | Yasushi Koubuchi, Koichi Nagasawa, Youhei Yamada, Toshifumi Takeda | 2003-12-16 |
| 6503794 | Semiconductor integrated circuit device and method for manufacturing the same | Kozo Watanabe, Atsushi Ogishima, Syunichi Hashimoto, Masayuki Kojima, Kiyonori Ohyu +2 more | 2003-01-07 |