Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46799 | Semiconductor device with alternating conductivity type layers having different vertical impurity concentration profiles | Wataru Saito, Ichiro Omura | 2018-04-17 |
| 7049675 | High withstand voltage semiconductor device | Tetsuo Hatakeyama, Takashi Shinohe | 2006-05-23 |
| 6888195 | Semiconductor device with alternating conductivity type layers having different vertical impurity concentration profiles | Wataru Saito, Ichiro Omura | 2005-05-03 |
| 6831345 | High withstand voltage semiconductor device | Tetsuo Hatakeyama, Takashi Shinohe | 2004-12-14 |
| 6469346 | High-breakdown-voltage semiconductor device | Yusuke Kawaguchi, Akio Nakagawa | 2002-10-22 |
| 6259136 | High-breakdown-voltage semiconductor device | Yusuke Kawaguchi, Akio Nakagawa | 2001-07-10 |
| 5932897 | High-breakdown-voltage semiconductor device | Yusuke Kawaguchi, Akio Nakagawa | 1999-08-03 |