Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461934 | Method of manufacturing semiconductor device having trench type element isolation regions | Yukio Nishida, Shuichi Ueno | 2002-10-08 |
| 6335556 | Semiconductor device and method for manufacturing semiconductor device | Masayoshi Shirahata, Tomohiro Yamashita | 2002-01-01 |