Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245641 | Semiconductor device comprising trench isolation insulator film and method of fabricating the same | Toshiyuki Oishi | 2001-06-12 |
| 6081662 | Semiconductor device including trench isolation structure and a method of manufacturing thereof | Takaaki Murakami, Kenji Yasumura, Toshiyuki Oishi | 2000-06-27 |
| 5783491 | Method of forming a truck MOS gate or a power semiconductor device | Katsumi Nakamura, Tadaharu Minato, Shuuichi Tominaga | 1998-07-21 |
| 5578522 | Semiconductor device and method of fabricating same | Katsumi Nakamura, Tadaharu Minato, Shuuichi Tominaga | 1996-11-26 |
| 5508534 | Trench gate type insulated gate bipolar transistor | Katsumi Nakamura, Tadaharu Minato, Shuuichi Tominga | 1996-04-16 |