Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9224730 | Semiconductor device | Hiromitsu Tanabe, Kenji Kouno | 2015-12-29 |
| 9099387 | Semiconductor device | Makoto Asai | 2015-08-04 |
| 8847276 | Semiconductor device | Hiromitsu Tanabe, Kenji Kouno | 2014-09-30 |
| 8841699 | Semiconductor device including insulated gate bipolar transistor and diode | Hiromitsu Tanabe, Kenji Kouno | 2014-09-23 |
| 8729600 | Insulated gate bipolar transistor (IGBT) with hole stopper layer | Kenji Kouno, Hiromitsu Tanabe | 2014-05-20 |
| 8648385 | Semiconductor device | Kenji Kouno, Hiromitsu Tanabe | 2014-02-11 |
| 8614483 | Insulated gate semiconductor device | Hiromitsu Tanabe, Kenji Kouno, Tomofusa Shiga | 2013-12-24 |
| 8455958 | Insulated gate semiconductor device with well region edge positioned within ring-shaped buffer trench | Kenji Kouno | 2013-06-04 |
| 8405122 | Insulated gate semiconductor device | Kenji Kouno | 2013-03-26 |
| 8288824 | Semiconductor device including insulated gate bipolar transistor and diode | Hiromitsu Tanabe, Kenji Kouno | 2012-10-16 |
| 8242536 | Semiconductor device | Hiromitsu Tanabe, Kenji Kouno, Shinji Amano | 2012-08-14 |
| 8168999 | Semiconductor device having IGBT and diode | Kenji Kouno | 2012-05-01 |
| 8125002 | Semiconductor device and inverter circuit having the same | Yutaka Fukuda | 2012-02-28 |
| 8102025 | Semiconductor device having IGBT and diode | Yoshihiko Ozeki, Norihito Tokura | 2012-01-24 |
| 8080853 | Semiconductor device including insulated gate bipolar transistor and diode | Hiromitsu Tanabe, Kenji Kouno | 2011-12-20 |
| 7999314 | Semiconductor device and manufacturing method thereof | Makoto Asai | 2011-08-16 |
| 7728382 | Semiconductor device having diode and IGBT | Kenji Kouno | 2010-06-01 |
| 7692221 | Semiconductor device having IGBT element | Yoshihiko Ozeki | 2010-04-06 |
| 7692214 | Semiconductor device having IGBT cell and diode cell and method for designing the same | Norihito Tokura, Kenji Kouno | 2010-04-06 |
| 7667269 | Trench gate type semiconductor device | Norihito Tokura, Yoshihiko Ozeki, Kensaku Yamamoto | 2010-02-23 |
| 7622768 | Semiconductor device and method of manufacturing thereof | Takaaki Aoki, Mikimasa Suzuki, Tomofusa Shiga | 2009-11-24 |
| 7498634 | Semiconductor device having IGBT and diode | Norihito Tokura | 2009-03-03 |
| 7456484 | Semiconductor device having IGBT and diode | Yoshihiko Ozeki, Norihito Tokura | 2008-11-25 |
| 7348244 | Method of producing a semiconductor device | Takaaki Aoki | 2008-03-25 |
| 7126187 | Semiconductor device and a method of producing the same | Takaaki Aoki | 2006-10-24 |