Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461934 | Method of manufacturing semiconductor device having trench type element isolation regions | Shuichi Ueno, Masashi Kitazawa | 2002-10-08 |
| 6344388 | Method of manufacturing semiconductor device | Toshiyuki Oishi, Hirokazu Sayama | 2002-02-05 |
| 6335252 | Semiconductor device manufacturing method | Toshiyuki Oishi, Hirokazu Sayama, Hidekazu Oda | 2002-01-01 |