Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653891 | Method of producing a semiconductor device with a heat sink | Tetsuya Otsuki | 1997-08-05 |
| 5652461 | Semiconductor device with a convex heat sink | Tetsuya Ootsuki | 1997-07-29 |