Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10446649 | Silicon carbide semiconductor device | Tomoo MORINO, Yuichi Takeuchi, Akitaka Soeno, Yukihiko Watanabe | 2019-10-15 |
| 10388527 | Method of manufacturing semiconductor device | Norihiro Togawa, Narumasa Soejima | 2019-08-20 |
| 10374079 | Silicon carbide semiconductor device and method for manufacturing same | Hirotaka Saikaku, Jun Sakakibara, Yuichi Takeuchi | 2019-08-06 |
| 10153345 | Insulated gate switching device and method for manufacturing the same | Hidefumi Takaya, Yukihiko Watanabe, Sachiko Aoi | 2018-12-11 |
| 10128344 | Semiconductor device | Tomohiro Mimura, Takashi Kanemura, Masahiro Sugimoto, Sachiko Aoi | 2018-11-13 |
| 10068972 | Semiconductor device with opposite conductivity-type impurity regions between source and trench gate for reducing leakage | Masahiro Sugimoto, Sachiko Aoi, Shinichiro Miyahara | 2018-09-04 |
| 9954073 | Method for manufacturing silicon carbide semiconductor device | Nozomu Akagi, Jun Sakakibara, Yuichi Takeuchi | 2018-04-24 |
| 9871098 | Semiconductor device with suppressed decrease in breakdown voltage of an insulation film and manufacturing method of the same | Jun Saito, Atsushi Onogi, Sachiko Aoi | 2018-01-16 |
| 9818856 | Semiconductor device with high electron mobility transistor | Shinichi Hoshi, Tetsu Kachi, Tsutomu Uesugi, Kazuyoshi Tomita, Kenji Ito | 2017-11-14 |
| 9660046 | Method of manufacturing semiconductor device | Sachiko Aoi, Yukihiko Watanabe, Katsumi Suzuki | 2017-05-23 |
| 9640651 | Semiconductor device and method of manufacturing semiconductor device | Hidefumi Takaya, Jun Saito, Akitaka Soeno, Kimimori Hamada, Sachiko Aoi +1 more | 2017-05-02 |
| 9515067 | Semiconductor device having switching element and free wheel diode and method for controlling the same | Hirotaka Saikaku, Tsuyoshi Yamamoto, Masakiyo Sumitomo, Tetsuo Fujii, Jun Sakakibara +4 more | 2016-12-06 |
| 8890252 | Semiconductor device having switching element and free wheel diode and method for controlling the same | Hirotaka Saikaku, Tsuyoshi Yamamoto, Masakiyo Sumitomo, Tetsuo Fujii, Jun Sakakibara +4 more | 2014-11-18 |
| 8841719 | Semiconductor device and method for manufacturing the same | Seigo Oosawa, Yutaka Tomatsu | 2014-09-23 |
| 8519748 | Driving circuit for driving transistor based on control current | Takaaki Aoki, Shigeki Takahashi, Takashi Nakano, Nozomu Akagi, Yoshiyuki Hattori +2 more | 2013-08-27 |
| 8179169 | Driving circuit with variable resistor for transistor | Takaaki Aoki, Shigeki Takahashi, Takashi Nakano, Nozomu Akagi, Yoshiyuki Hattori +2 more | 2012-05-15 |
| 7982508 | Switching circuit and driving circuit for transistor | Takaaki Aoki | 2011-07-19 |
| 7838909 | Semiconductor device with trench structure | Hiroaki Himi, Takashi Nakano | 2010-11-23 |
| 7800195 | Semiconductor apparatus having temperature sensing diode | Shoji Ozoe, Takaaki Aoki, Tomofusa Shiga | 2010-09-21 |
| 7799667 | Method for manufacturing semiconductor device with planer gate electrode and trench gate electrode | Satoshi Shiraki, Yoshiaki Nakayama, Takashi Nakano, Akira Yamada | 2010-09-21 |
| 7671636 | Switching circuit and driving circuit for transistor | Takaaki Aoki, Shigeki Takahashi, Takashi Nakano, Nozomu Akagi, Yoshiyuki Hattori +2 more | 2010-03-02 |
| 7132347 | Semiconductor device with trench structure and method for manufacturing the same | Hiroaki Himi, Takashi Nakano | 2006-11-07 |
| 6879029 | Semiconductor device having element isolation structure | Nobumasa Ueda | 2005-04-12 |
| 6831331 | Power MOS transistor for absorbing surge current | Yasuhiro Kitamura, Toshio Sakakibara, Kenji Kohno, Yoshiaki Nakayama, Hiroshi Maeda +5 more | 2004-12-14 |
| 6818942 | Non-volatile semiconductor storage device having conductive layer surrounding floating gate | Akira Tai | 2004-11-16 |