Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067874 | Semiconductor device including trench with at least one of an edge of an opening and a bottom surface being round | Katsumi Nakamura, Tadaharu Minato, Katsuomi Shiozawa | 2006-06-27 |
| 6710401 | Semiconductor device including a trench with at least one of an edge of an opening and a bottom surface being round | Katsumi Nakamura, Tadaharu Minato, Katsuomi Shiozawa | 2004-03-23 |
| 6423598 | Semiconductor device, a method of manufacturing the same, and a semiconductor device protective circuit | Hideki Takahashi | 2002-07-23 |
| 5783491 | Method of forming a truck MOS gate or a power semiconductor device | Katsumi Nakamura, Tadaharu Minato, Katsuomi Shiozawa | 1998-07-21 |
| 5578522 | Semiconductor device and method of fabricating same | Katsumi Nakamura, Tadaharu Minato, Katsuomi Shiozawa | 1996-11-26 |