Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331466 | Insulated gate semiconductor device and manufacturing method thereof | Hideki Takahashi, Masana Harada, Tadaharu Minato | 2001-12-18 |
| 6323508 | Insulated gate semiconductor device and manufacturing method thereof | Hideki Takahashi, Masana Harada, Tadaharu Minato | 2001-11-27 |
| 6107650 | Insulated gate semiconductor device and manufacturing method thereof | Hideki Takahashi, Masana Harada, Tadaharu Minato | 2000-08-22 |
| 5795792 | Method of manufacturing a semiconductor device having a trench structure | — | 1998-08-18 |
| 5541425 | Semiconductor device having trench structure | — | 1996-07-30 |
| 5016083 | Submount for semiconductor laser device | Mitsuo Ishii | 1991-05-14 |