Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349402 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | — | 2025-07-01 |
| 11888035 | Silicon carbide semiconductor device | Aki TAKIGAWA | 2024-01-30 |
| 11600702 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | — | 2023-03-07 |
| 11515387 | Method of manufacturing silicon carbide semiconductor device, method of manufacturing silicon carbide substrate, and silicon carbide substrate | — | 2022-11-29 |
| 11430870 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Makoto Utsumi, Aki TAKIGAWA | 2022-08-30 |
| 11424325 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | — | 2022-08-23 |
| 10818771 | Method of manufacturing silicon carbide semiconductor device, and method of manufacturing silicon carbide substrate | — | 2020-10-27 |
| 10741648 | Semiconductor device and manufacturing method thereof | Ryoji Kosugi, Shiyang Ji, Kazuhiro Mochizuki, Hidenori Kouketsu | 2020-08-11 |
| 10186575 | Silicon carbide semiconductor device and a method of manufacturing a silicon carbide semiconductor device | Shiyang Ji, Ryoji Kosugi, Hidenori KOKETSU, Kazuhiro Mochizuki | 2019-01-22 |
| 10096470 | Method of producing a silicon carbide single-crystal substrate by epitaxial growth of a SiC epitaxial film on a SiC substrate | — | 2018-10-09 |
| 10032724 | Silicon carbide semiconductor base, method of crystal axis alignment in silicon carbide semiconductor base, and method of manufacturing silicon carbide semiconductor device | Takeshi Tawara | 2018-07-24 |
| 10026610 | Silicon carbide semiconductor device manufacturing method | Yoshiyuki Yonezawa | 2018-07-17 |
| 9793121 | Method of manufacturing silicon carbide semiconductor device | — | 2017-10-17 |
| 9748149 | Method of manufacturing a silicon carbide semiconductor device including forming a protective film with a 2-layer structure comprised of silicon and carbon | — | 2017-08-29 |
| 9559188 | Trench gate type semiconductor device and method of producing the same | Shun Nakamura | 2017-01-31 |
| 9502250 | Manufacturing method of silicon carbide semiconductor apparatus | — | 2016-11-22 |
| 9418840 | Silicon carbide semiconductor device manufacturing method and silicon carbide semiconductor device | Yoshiyuki Yonezawa | 2016-08-16 |
| 9209276 | Trench gate type semiconductor device and method of producing the same | Shun Nakamura | 2015-12-08 |
| 9117681 | Silicon carbide semiconductor element, method of manufacturing the same, and silicon carbide device | Takeshi Tawara, Shun Nakamura, Masahide GOTOH | 2015-08-25 |
| 8802546 | Method for manufacturing silicon carbide semiconductor device | Yoshiyuki Yonezawa | 2014-08-12 |
| 8648353 | Method for manufacturing silicon carbide semiconductor device and the silicon carbide semiconductor device | Takeshi Tawara | 2014-02-11 |
| 8232184 | Method for manufacturing silicon carbide semiconductor device and the silicon carbide semiconductor device | Takeshi Tawara | 2012-07-31 |
| 8124510 | Method of manufacturing a silicon carbide semiconductor device | Takeshi Tawara | 2012-02-28 |
| 8114783 | Silicon carbide semiconductor element, method of manufacturing the same, and silicon carbide device | Takeshi Tawara, Shun Nakamura, Masahide GOTOH | 2012-02-14 |
| 8071482 | Manufacturing method of a silicon carbide semiconductor device | — | 2011-12-06 |