Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12310076 | Silicon carbide semiconductor device, power conversion apparatus, and method for manufacturing silicon carbide semiconductor device | Rina TANAKA, Hideyuki HATTA, Kohei Adachi | 2025-05-20 |
| 12266706 | Semiconductor device and power converter | Katsutoshi SUGAWARA, Hideyuki HATTA, Hidenori KOKETSU, Rina TANAKA, Yusuke Miyata | 2025-04-01 |
| 12107158 | SiC-mosfet | Katsutoshi SUGAWARA, Yasuhiro Kagawa | 2024-10-01 |
| 12051744 | Semiconductor device | Katsutoshi SUGAWARA, Rina TANAKA, Hideyuki HATTA | 2024-07-30 |
| 11894428 | Silicon carbide semiconductor device and power converter | Hideyuki HATTA, Rina TANAKA, Katsutoshi SUGAWARA | 2024-02-06 |
| 11848358 | Silicon carbide semiconductor device and method of manufacturing same | Rina TANAKA, Katsutoshi SUGAWARA, Hideyuki HATTA, Yusuke Miyata | 2023-12-19 |
| 11658238 | Semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa | 2023-05-23 |
| 11637184 | Silicon carbide semiconductor device, power converter, method of manufacturing silicon carbide semiconductor device, and method of manufacturing power converter | Kohei Adachi, Katsutoshi SUGAWARA, Hideyuki HATTA, Rina TANAKA | 2023-04-25 |
| 11444193 | Silicon carbide semiconductor device | Takaaki TOMINAGA | 2022-09-13 |
| 11355629 | Semiconductor device and power converter | Katsutoshi SUGAWARA, Kohei Adachi, Hideyuki HATTA | 2022-06-07 |
| 11271084 | Semiconductor device and power converter | Katsutoshi SUGAWARA, Hideyuki HATTA, Hidenori KOKETSU, Rina TANAKA, Yusuke Miyata | 2022-03-08 |
| 11251299 | Silicon carbide semiconductor device and manufacturing method of same | Rina TANAKA, Katsutoshi SUGAWARA, Hideyuki HATTA, Yusuke Miyata | 2022-02-15 |
| 11158704 | Semiconductor device and power conversion device | Kohei Adachi, Katsutoshi SUGAWARA, Rina TANAKA, Kazuya KONISHI | 2021-10-26 |
| 11049931 | Semiconductor device | Katsutoshi SUGAWARA, Shiro Hino, Kazuya KONISHI, Kohei Adachi | 2021-06-29 |
| 10559652 | Semiconductor device | Katsutoshi SUGAWARA, Shiro Hino, Kazuya KONISHI, Kohei Adachi | 2020-02-11 |
| 10510843 | Insulated gate silicon carbide semiconductor device and method for manufacturing same | Yasuhiro Kagawa, Rina TANAKA, Naruhisa Miura, Yuji Abe, Masayuki Imaizumi | 2019-12-17 |
| 10468487 | Semiconductor device | Katsutoshi SUGAWARA, Rina TANAKA, Kohei Adachi, Kazuya KONISHI | 2019-11-05 |
| 10453951 | Semiconductor device having a gate trench and an outside trench | Yasuhiro Kagawa, Kensuke Taguchi, Nobuo Fujiwara, Katsutoshi SUGAWARA, Rina TANAKA | 2019-10-22 |
| 10431658 | Silicon carbide semiconductor device, manufacturing method therefor and power conversion apparatus | Yasuhiro Kagawa, Atsushi Narazaki, Katsutoshi SUGAWARA | 2019-10-01 |
| 10312233 | Semiconductor device | Katsutoshi SUGAWARA, Yasuhiro Kagawa, Rina TANAKA | 2019-06-04 |
| 10229969 | Power semiconductor device | Yasuhiro Kagawa, Rina TANAKA, Katsutoshi SUGAWARA | 2019-03-12 |
| 10199457 | Silicon carbide semiconductor device | Rina TANAKA, Katsutoshi SUGAWARA, Takeharu Kuroiwa, Yasuhiro Kagawa | 2019-02-05 |
| 9825164 | Silicon carbide semiconductor device and manufacturing method for same | Yasuhiro Kagawa, Rina TANAKA, Kohei Ebihara, Shiro Hino | 2017-11-21 |
| 9773874 | Silicon carbide semiconductor device and manufacturing method therefor | Nobuo Fujiwara, Yasuhiro Kagawa, Rina TANAKA | 2017-09-26 |
| 9741797 | Insulated gate silicon carbide semiconductor device and method for manufacturing same | Yasuhiro Kagawa, Rina TANAKA, Naruhisa Miura, Yuji Abe, Masayuki Imaizumi | 2017-08-22 |