Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797588 | Method for manufacturing a semiconductor device having a trench and a thick insulation film at the trench opening | Eiji Ishikawa, Takaaki Aoki | 2004-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797588 | Method for manufacturing a semiconductor device having a trench and a thick insulation film at the trench opening | Eiji Ishikawa, Takaaki Aoki | 2004-09-28 |