Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8692323 | Semiconductor device with peripheral base region connected to main electrode | Yoshiaki Hisamoto | 2014-04-08 |
| 8421157 | Semiconductor device | — | 2013-04-16 |
| 8183631 | Semiconductor device | Yoshiaki Hisamoto | 2012-05-22 |
| 8008746 | Semiconductor device | — | 2011-08-30 |
| 7902634 | Semiconductor device | — | 2011-03-08 |
| 7829955 | Semiconductor device | — | 2010-11-09 |
| 7777279 | Semiconductor device capable of avoiding latchup breakdown resulting from negative variation of floating offset voltage | Hajime Akiyama, Kazuhiro Shimizu | 2010-08-17 |
| 7745906 | Semiconductor device having spaced unit regions and heavily doped semiconductor layer | — | 2010-06-29 |
| 7652350 | Semiconductor device | — | 2010-01-26 |
| 7545005 | Semiconductor device capable of avoiding latchup breakdown resulting from negative variation of floating offset voltage | Hajime Akiyama, Kazuhiro Shimizu | 2009-06-09 |
| 7408228 | Semiconductor device capable of avoiding latchup breakdown resulting from negative variation of floating offset voltage | Hajime Akiyama, Kazuhiro Shimizu | 2008-08-05 |
| 7190034 | Semiconductor device capable of avoiding latchup breakdown resulting from negative variation of floating offset voltage | Hajime Akiyama, Kazuhiro Shimizu | 2007-03-13 |
| 7180106 | Semiconductor device having enhanced di/dt tolerance and dV/dt tolerance | Yoshiaki Hisamoto | 2007-02-20 |
| 7122875 | Semiconductor device | — | 2006-10-17 |
| 6979850 | Semiconductor device capable of avoiding latchup breakdown resulting from negative varation of floating offset voltage | — | 2005-12-27 |
| 6388280 | Semiconductor device | Kazutoyo Takano | 2002-05-14 |
| 6207993 | Field effect semiconductor device | Youichi Ishimura, Hiroshi Yamaguchi | 2001-03-27 |