Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363943 | Semiconductor device and power conversion device | Kohei Ebihara | 2025-07-15 |
| 12279447 | Silicon carbide semiconductor device | Takaaki TOMINAGA | 2025-04-15 |
| 12183774 | Power converter | Junichi NAKASHIMA, Takaaki TOMINAGA | 2024-12-31 |
| 12131906 | Method for fabricating silicon carbide semiconductor device and power conversion device using the silicon carbide semiconductor device | Koji Sadamatsu | 2024-10-29 |
| 12057496 | Silicon carbide semiconductor device and power converter | Yuichi NAGAHISA, Koji Sadamatsu, Kotaro KAWAHARA, Hideyuki HATTA, Shingo Tomohisa | 2024-08-06 |
| 11888057 | Semiconductor device | Kotaro KAWAHARA | 2024-01-30 |
| 11804555 | Semiconductor device and power conversion device | Kohei Ebihara, Kosuke MIYAZAKI, Yasushi Takaki | 2023-10-31 |
| 11682723 | Silicon carbide semiconductor device and power converter | Hideyuki HATTA, Koji Sadamatsu, Yuichi NAGAHISA | 2023-06-20 |
| 11646369 | Silicon carbide semiconductor device having a conductive layer formed above a bottom surface of a well region so as not to be in ohmic connection with the well region and power converter including the same | Yuichi NAGAHISA, Koji Sadamatsu, Hideyuki HATTA, Kotaro KAWAHARA | 2023-05-09 |
| 11508840 | Silicon carbide semiconductor device and power converter | Yuichi NAGAHISA, Koji Sadamatsu, Hideyuki HATTA, Kotaro KAWAHARA | 2022-11-22 |
| 11355627 | Silicon carbide semiconductor device and power converter | Yuichi NAGAHISA, Hideyuki HATTA, Koji Sadamatsu | 2022-06-07 |
| 11309416 | Semiconductor device | Hideyuki HATTA, Katsutoshi SUGAWARA | 2022-04-19 |
| 11222973 | Semiconductor device | Koji Sadamatsu, Hideyuki HATTA, Yuichi NAGAHISA, Kohei Ebihara | 2022-01-11 |
| 11189720 | Silicon carbide semiconductor device and power converter | Hideyuki HATTA, Koji Sadamatsu, Yuichi NAGAHISA | 2021-11-30 |
| 11049931 | Semiconductor device | Yutaka Fukui, Katsutoshi SUGAWARA, Kazuya KONISHI, Kohei Adachi | 2021-06-29 |
| 11049963 | Silicon carbide semiconductor device and power converter | Yuichi NAGAHISA, Koji Sadamatsu, Hideyuki HATTA, Kotaro KAWAHARA | 2021-06-29 |
| 10991822 | Silicon carbide semiconductor device having a conductive layer formed above a bottom surface of a well region so as not to be in ohmic connection with the well region and power converter including the same | Yuichi NAGAHISA, Koji Sadamatsu, Hideyuki HATTA, Kotaro KAWAHARA | 2021-04-27 |
| 10707341 | Semiconductor device | Yukiyasu Nakao, Kohei Ebihara | 2020-07-07 |
| 10665679 | Silicon carbide semiconductor device and method for manufacturing same | Tomokatsu Watanabe, Yusuke Yamashiro, Toshiaki Iwamatsu | 2020-05-26 |
| 10665713 | Silicon carbide semiconductor device | Takaaki TOMINAGA, Yasushi Takaki, Yoichiro Tarui | 2020-05-26 |
| 10559653 | Silicon carbide semiconductor device and method for manufacturing silicon carbide semiconductor device | Tomokatsu Watanabe, Yusuke Yamashiro, Toshiaki Iwamatsu | 2020-02-11 |
| 10559652 | Semiconductor device | Yutaka Fukui, Katsutoshi SUGAWARA, Kazuya KONISHI, Kohei Adachi | 2020-02-11 |
| 10475920 | Semiconductor device and semiconductor device manufacturing method | Koji Sadamatsu | 2019-11-12 |
| 10374075 | Silicon carbide semiconductor device and manufacturing method for the same | Takaaki TOMINAGA | 2019-08-06 |
| 10128370 | Semiconductor device | Kohei Ebihara, Koji Sadamatsu | 2018-11-13 |