Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750511 | Trench-gate semiconductor device | Tatsuo Yoneda, Hirobumi Matsuki | 2004-06-15 |
| 6717210 | Trench gate type semiconductor device and fabricating method of the same | Akio Takano | 2004-04-06 |