Issued Patents All Time
Showing 25 most recent of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11296212 | Semiconductor device and power conversion device | Tomoyuki Miyoshi, Tomoyasu Furukawa, Yujiro Takeuchi, Masaki Shiraishi | 2022-04-05 |
| 11282937 | Semiconductor device and power conversion device | Tomoyuki Miyoshi, Tomoyasu Furukawa, Masaki Shiraishi | 2022-03-22 |
| 11049965 | Semiconductor device and alternator using the same | Masaki Shiraishi, Tetsuya Ishimaru, Junichi Sakano, Shinichi Kurita | 2021-06-29 |
| 10916643 | Semiconductor device, method for controlling semiconductor device, and control circuit for semiconductor device | Yujiro Takeuchi, Yusuke Hotta, Tomoyuki Miyoshi | 2021-02-09 |
| 10319849 | Semiconductor device, and alternator and power conversion device which use same | Tetsuya Ishimaru, Junichi Sakano, Kohhei Onda | 2019-06-11 |
| 10224425 | Electric power converter | Yujiro Takeuchi | 2019-03-05 |
| 10205314 | Rectifier including MOSFET and hold circuit that boosts gate voltage of MOSFET, and alternator using the same | Tetsuya Ishimaru, Shinichi Kurita | 2019-02-12 |
| 10177069 | Heat-dissipating structure and semiconductor module using same | Takashi Naito, Motomune Kodama, Takuya Aoyagi, Shigeru Kikuchi, Takashi Nogawa +6 more | 2019-01-08 |
| 10038380 | Apparatus for controlling insulating gate-type semiconductor element, and power conversion apparatus using apparatus for controlling insulating gate-type semiconductor element | Takayuki Hashimoto | 2018-07-31 |
| 9991336 | Semiconductor device, method for manufacturing the same, and power conversion system | Masatoshi Wakagi, Taiga Arai, Tomoyasu Furukawa | 2018-06-05 |
| 9966871 | Rectification device, alternator, and power conversion device | Tetsuya Ishimaru, Kohhei Onda, Junichi Sakano | 2018-05-08 |
| 9831145 | Semiconductor device, and alternator and power converter using the semiconductor device | Tetsuya Ishimaru, Shinichi Kurita, Shigeru Sugayama, Junichi Sakano, Kohhei Onda | 2017-11-28 |
| 9780660 | Apparatus for controlling insulating gate-type semiconductor element, and power conversion apparatus using apparatus for controlling insulating gate-type semiconductor element | Takayuki Hashimoto | 2017-10-03 |
| 9654027 | Semiconductor device and power converter using the same | Takashi Hirao | 2017-05-16 |
| 9595602 | Switching device for power conversion and power conversion device | Takayuki Hashimoto, Masahiro Masunaga | 2017-03-14 |
| 9349847 | Semiconductor device and power converter | Takayuki Hashimoto | 2016-05-24 |
| 9306047 | Semiconductor device and electric power converter in which same is used | Takayuki Hashimoto, Masahiro Masunaga | 2016-04-05 |
| 9196563 | Bonded body and semiconductor module | Yuichi Sawai, Takashi Naito, Takuya Aoyagi, Tadashi Fujieda | 2015-11-24 |
| 9082814 | Semiconductor devices and power conversion systems | Masaki Shiraishi, Hiroshi Suzuki, So Watanabe | 2015-07-14 |
| 8853736 | Semiconductor device and power converter using it | — | 2014-10-07 |
| 8809903 | Semiconductor device and power conversion apparatus using the same | So Watanabe, Taiga Arai | 2014-08-19 |
| 8653588 | Semiconductor device and electric power conversion system using the same | So Watanabe, Masaki Shiraishi, Hiroshi Suzuki | 2014-02-18 |
| 8546847 | Semiconductor device and power conversion apparatus using the same | So Watanabe, Taiga Arai | 2013-10-01 |
| 8519561 | Power module and vehicle-mounted inverter using the same | Katsunori Azuma, Michiaki Hiyoshi, Seiichi Hayakawa, Koji Sasaki, Isamu Yoshida | 2013-08-27 |
| 8422235 | Semiconductor device, and power conversion device using semiconductor device | Katsunori Azuma, Kinya Nakatsu, Seiichi Hayakawa, Fusanori Nishikimi | 2013-04-16 |