Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570436 | Semiconductor device | Akira Nakajima, Shinichi Nishizawa | 2017-02-14 |
| 8363441 | Power conversion apparatus with M conversion levels having an individual drive unit that does not require a dedicated power supply | Yukihiko Sato, Kyungmin Sung, Masamu Kamaga, Moe Imaizumi | 2013-01-29 |
| 8351224 | Power conversion apparatus | Kyungmin Sung, Masamu Kamaga, Mitsuaki Shimizu | 2013-01-08 |
| 8149376 | Test data processing apparatus and test data processing method | — | 2012-04-03 |
| 8078307 | Apparatus for testing defects of sheet-shaped product having optical film, apparatus for processing test data thereof, apparatus for cutting the same, and production thereof | — | 2011-12-13 |
| 8045151 | Laminated film defect inspection method and laminated film defect inspection device | Kosuke Sato | 2011-10-25 |
| 7922843 | Method and system for laminating optical elements | Kazuo Kitada, Yoshihiro Kameda, Kanji Nishida, Tomokazu Yura, Takaichi Amano +2 more | 2011-04-12 |
| 7913734 | Method and system for laminating optical elements | Kazuo Kitada, Yoshihiro Kameda, Kanji Nishida, Tomokazu Yura, Takaichi Amano +2 more | 2011-03-29 |
| 7908026 | Apparatus for testing defects of sheet-shaped product having optical film, apparatus for processing test data thereof, apparatus for cutting the same, and production thereof | — | 2011-03-15 |
| 7531871 | Power semiconductor switching element | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Yoshihiko Saito, Kenichi Tokano | 2009-05-12 |
| 7244974 | wideband gap power semiconductor device having a low on-resistance and having a high avalanche capability used for power control | Wataru Saito, Ichiro Omura | 2007-07-17 |
| 7238576 | Semiconductor device and method of manufacturing the same | Masakazu Yamaguchi, Ichiro Omura, Wataru Saito, Takashi Shinohe | 2007-07-03 |
| 7102179 | Power semiconductor device used for power control | Wataru Saito, Ichiro Omura | 2006-09-05 |
| 7067870 | Power semiconductor switching element | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Yoshihiko Saito, Kenichi Tokano | 2006-06-27 |
| 6940090 | Wideband gap having a low on-resistance and having a high avalanche capability | Wataru Saito, Ichiro Omura | 2005-09-06 |
| 6933544 | Power semiconductor device | Wataru Saito, Ichiro Omura | 2005-08-23 |
| 6750508 | Power semiconductor switching element provided with buried electrode | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Yoshihiko Saito, Kenichi Tokano | 2004-06-15 |
| 6534998 | Semiconductor device and control method thereof | Ichiro Omura, Wolfgang Fichtner, Tsuneo Ogura, Hideaki Ninomiya | 2003-03-18 |
| 6323717 | Semiconductor device, drive method, and drive apparatus | Ichiro Omura, Suzuo Saito, Tomokazu Domon, Koichi Sugiyama, Simon Eicher +1 more | 2001-11-27 |
| 6153896 | Semiconductor device and control method thereof | Ichiro Omura, Wolfgang Fichtner, Tsuneo Ogura, Hideaki Ninomiya | 2000-11-28 |
| 6057636 | Micro power switch using a cold cathode and a driving method thereof | Tadashi Sakai, Tomio Ono, Naoshi Sakuma, Kazuya Nakayama | 2000-05-02 |
| 6037632 | Semiconductor device | Ichiro Omura, Tomoki Inoue | 2000-03-14 |
| 6025622 | Conductivity modulated MOSFET | Akio Nakagawa, Yoshihiro Yamaguchi, Kiminori Watanabe, Thuneo Thukakoshi | 2000-02-15 |
| 5977693 | Micro-vacuum device | Masayuki Nakamoto | 1999-11-02 |
| 5780887 | Conductivity modulated MOSFET | Akio Nakagawa, Yoshihiro Yamaguchi, Kiminori Watanabe, Thuneo Thukakoshi | 1998-07-14 |