Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656804 | Semiconductor device and production method thereof | Shimpei Tsujikawa, Jiro Yugami, Masahiro Ushiyama | 2003-12-02 |
| 6657248 | Semiconductor device having groove isolation structure and gate oxide films with different thickness | Nozomu Matsuzaki, Takashi Kobayashi, Hitoshi Kume, Kikuo Kusukawa, Norio Suzuki +3 more | 2003-12-02 |
| 6576943 | Semiconductor device for reducing leak currents and controlling a threshold voltage and using a thin channel structure | Tomoyuki Ishii, Kazuo Yano | 2003-06-10 |
| 6521943 | Semiconductor device having thin electrode layer adjacent gate insulator and method of manufacture | Jiro Yugami, Takashi Kobayashi, Masahiro Ushiyama | 2003-02-18 |