Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129851 | Semiconductor device | Shinji Amano | 2015-09-08 |
| 8988105 | Semiconductor device having diode-built-in IGBT and semiconductor device having diode-built-in DMOS | — | 2015-03-24 |
| 8847276 | Semiconductor device | Hiromitsu Tanabe, Yukio Tsuzuki | 2014-09-30 |
| 8841699 | Semiconductor device including insulated gate bipolar transistor and diode | Yukio Tsuzuki, Hiromitsu Tanabe | 2014-09-23 |
| 8729600 | Insulated gate bipolar transistor (IGBT) with hole stopper layer | Yukio Tsuzuki, Hiromitsu Tanabe | 2014-05-20 |
| 8710568 | Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same | Yoshihiko Ozeki, Tetsuo Fujii | 2014-04-29 |
| 8648385 | Semiconductor device | Hiromitsu Tanabe, Yukio Tsuzuki | 2014-02-11 |
| 8614483 | Insulated gate semiconductor device | Hiromitsu Tanabe, Yukio Tsuzuki, Tomofusa Shiga | 2013-12-24 |
| 8455958 | Insulated gate semiconductor device with well region edge positioned within ring-shaped buffer trench | Yukio Tsuzuki | 2013-06-04 |
| 8451023 | Semiconductor device having diode-built-in IGBT and semiconductor device having diode-built-in DMOS | — | 2013-05-28 |
| 8405122 | Insulated gate semiconductor device | Yukio Tsuzuki | 2013-03-26 |
| 8299539 | Semiconductor device having IGBT and FWD on same substrate | — | 2012-10-30 |
| 8288824 | Semiconductor device including insulated gate bipolar transistor and diode | Yukio Tsuzuki, Hiromitsu Tanabe | 2012-10-16 |
| 8242536 | Semiconductor device | Hiromitsu Tanabe, Yukio Tsuzuki, Shinji Amano | 2012-08-14 |
| 8168999 | Semiconductor device having IGBT and diode | Yukio Tsuzuki | 2012-05-01 |
| 8080853 | Semiconductor device including insulated gate bipolar transistor and diode | Yukio Tsuzuki, Hiromitsu Tanabe | 2011-12-20 |
| 8072241 | Semiconductor device having diode-built-in IGBT and semiconductor device having diode-built-in DMOS | — | 2011-12-06 |
| 8026572 | Semiconductor device and method for manufacturing same | Yoshihiko Ozeki, Tetsuo Fujii | 2011-09-27 |
| 7728382 | Semiconductor device having diode and IGBT | Yukio Tsuzuki | 2010-06-01 |
| 7692214 | Semiconductor device having IGBT cell and diode cell and method for designing the same | Norihito Tokura, Yukio Tsuzuki | 2010-04-06 |
| 7638202 | Stretched polyamide films | Hiroyuki Nanba, Atsushi Nakagawa | 2009-12-29 |
| 7118806 | Plastic molded product having photochromic characteristic and/or polarizing characteristics | Chiharu Nishizawa | 2006-10-10 |
| 6986946 | Transparent synthetic resin laminate having photochromism | Chiharu Nishizawa | 2006-01-17 |
| 6943383 | Diode and producing method thereof | Ruichiro Abe | 2005-09-13 |
| 6797383 | Synthetic resin laminate having both polarization characteristic and photochromism characteristic | Chiharu Nishizawa | 2004-09-28 |