Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9496151 | Semiconductor device and semiconductor device manufacturing method | — | 2016-11-15 |
| 9412832 | Semiconductor device and semiconductor device manufacturing method | — | 2016-08-09 |
| 9059325 | Semiconductor device and semiconductor device manufacturing method | — | 2015-06-16 |
| 7517777 | Method of manufacturing semiconductor device and semiconductor device formed by the method | Michio Nemoto, Haruo Nakazawa | 2009-04-14 |
| 7135387 | Method of manufacturing semiconductor element | Haruo Nakazawa, Kazuo Shimoyama | 2006-11-14 |
| 6670650 | Power semiconductor rectifier with ring-shaped trenches | Michio Nemoto, Tatsuya Naito, Masahito Otsuki | 2003-12-30 |
| 6621120 | Semiconductor device | Masahito Otsuki, Seiji Momota, Takashi Yoshimura | 2003-09-16 |
| 6559023 | Method of fabricating a semiconductor device with phosphorous and boron ion implantation, and by annealing to control impurity concentration thereof | Masahito Otsuki, Seiji Momota, Takashi Yoshimura | 2003-05-06 |
| 6191485 | Semiconductor device | Tomoyuki Kawashima, Kenji Okamoto, Tadayoshi Ishii, Kazuhiko Imamura | 2001-02-20 |