Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12310076 | Silicon carbide semiconductor device, power conversion apparatus, and method for manufacturing silicon carbide semiconductor device | Yutaka Fukui, Hideyuki HATTA, Kohei Adachi | 2025-05-20 |
| 12266706 | Semiconductor device and power converter | Yutaka Fukui, Katsutoshi SUGAWARA, Hideyuki HATTA, Hidenori KOKETSU, Yusuke Miyata | 2025-04-01 |
| 12051744 | Semiconductor device | Katsutoshi SUGAWARA, Yutaka Fukui, Hideyuki HATTA | 2024-07-30 |
| 11894428 | Silicon carbide semiconductor device and power converter | Hideyuki HATTA, Katsutoshi SUGAWARA, Yutaka Fukui | 2024-02-06 |
| 11848358 | Silicon carbide semiconductor device and method of manufacturing same | Katsutoshi SUGAWARA, Yutaka Fukui, Hideyuki HATTA, Yusuke Miyata | 2023-12-19 |
| 11643475 | Thickener, composition, and sheet | Hayato FUSHIMI | 2023-05-09 |
| 11637184 | Silicon carbide semiconductor device, power converter, method of manufacturing silicon carbide semiconductor device, and method of manufacturing power converter | Kohei Adachi, Katsutoshi SUGAWARA, Yutaka Fukui, Hideyuki HATTA | 2023-04-25 |
| 11271084 | Semiconductor device and power converter | Yutaka Fukui, Katsutoshi SUGAWARA, Hideyuki HATTA, Hidenori KOKETSU, Yusuke Miyata | 2022-03-08 |
| 11251299 | Silicon carbide semiconductor device and manufacturing method of same | Katsutoshi SUGAWARA, Yutaka Fukui, Hideyuki HATTA, Yusuke Miyata | 2022-02-15 |
| 11158704 | Semiconductor device and power conversion device | Kohei Adachi, Katsutoshi SUGAWARA, Yutaka Fukui, Kazuya KONISHI | 2021-10-26 |
| 10510843 | Insulated gate silicon carbide semiconductor device and method for manufacturing same | Yasuhiro Kagawa, Yutaka Fukui, Naruhisa Miura, Yuji Abe, Masayuki Imaizumi | 2019-12-17 |
| 10468487 | Semiconductor device | Katsutoshi SUGAWARA, Yutaka Fukui, Kohei Adachi, Kazuya KONISHI | 2019-11-05 |
| 10453951 | Semiconductor device having a gate trench and an outside trench | Yutaka Fukui, Yasuhiro Kagawa, Kensuke Taguchi, Nobuo Fujiwara, Katsutoshi SUGAWARA | 2019-10-22 |
| 10347724 | Silicon carbide semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa, Naruhisa Miura | 2019-07-09 |
| 10312233 | Semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa, Yutaka Fukui | 2019-06-04 |
| 10229969 | Power semiconductor device | Yasuhiro Kagawa, Yutaka Fukui, Katsutoshi SUGAWARA | 2019-03-12 |
| 10199457 | Silicon carbide semiconductor device | Yutaka Fukui, Katsutoshi SUGAWARA, Takeharu Kuroiwa, Yasuhiro Kagawa | 2019-02-05 |
| 10157986 | Silicon carbide semiconductor device and method for manufacturing same | Yasuhiro Kagawa, Katsutoshi SUGAWARA, Naruhisa Miura | 2018-12-18 |
| 9972676 | Silicon carbide semiconductor device | Yasuhiro Kagawa, Naruhisa Miura, Yuji Ebiike | 2018-05-15 |
| 9954072 | Silicon-carbide semiconductor device and manufacturing method thereof | Yasuhiro Kagawa, Shiro Hino, Naruhisa Miura, Masayuki Imaizumi | 2018-04-24 |
| 9825164 | Silicon carbide semiconductor device and manufacturing method for same | Yasuhiro Kagawa, Yutaka Fukui, Kohei Ebihara, Shiro Hino | 2017-11-21 |
| 9773874 | Silicon carbide semiconductor device and manufacturing method therefor | Nobuo Fujiwara, Yasuhiro Kagawa, Yutaka Fukui | 2017-09-26 |
| 9741797 | Insulated gate silicon carbide semiconductor device and method for manufacturing same | Yasuhiro Kagawa, Yutaka Fukui, Naruhisa Miura, Yuji Abe, Masayuki Imaizumi | 2017-08-22 |
| 9698221 | Semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa, Yutaka Fukui | 2017-07-04 |
| 9496344 | Semiconductor device including well regions with different impurity densities | Akihiko Furukawa, Masayuki Imaizumi, Yuji Abe | 2016-11-15 |