Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630389 | Method for manufacturing semiconductor device | Takumi Shibata | 2003-10-07 |
| 6525375 | Semiconductor device having trench filled up with gate electrode | Hitoshi Yamaguchi, Toshio Sakakibara, Jun Sakakibara, Takumi Shibata | 2003-02-25 |