Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12205983 | Semiconductor device and manufacturing method of semiconductor device | Yuichi Takeuchi, Yukihiko Watanabe | 2025-01-21 |
| 11476360 | Semiconductor device and method for manufacturing the same | Yasuhiro Ebihara, Yuichi Takeuchi, Yukihiro Watanabe | 2022-10-18 |
| 10770579 | SiC-MOSFET and method of manufacturing the same | Yasushi Urakami, Yukihiko Watanabe | 2020-09-08 |
| 10522627 | Semiconductor device | Yasushi Urakami, Narumasa Soejima | 2019-12-31 |
| 10153345 | Insulated gate switching device and method for manufacturing the same | Shoji Mizuno, Yukihiko Watanabe, Sachiko Aoi | 2018-12-11 |
| 10134593 | Semiconductor device and method for manufacturing same | Takeshi Endo, Atsuya Akiba, Yuichi Takeuchi, Sachiko Aoi | 2018-11-20 |
| 9853139 | Semiconductor device and method for manufacturing the semiconductor device | Jun Saito, Akitaka Soeno, Toshimasa Yamamoto, Narumasa Soejima | 2017-12-26 |
| 9847414 | Semiconductor device and method for manufacturing semiconductor device having a step provided in a lateral surface of a trench formed in a surface of a semiconductor substrate | Shinichiro Miyahara, Katsuhiro Kutsuki, Sachiko Aoi | 2017-12-19 |
| 9818860 | Silicon carbide semiconductor device and method for producing the same | Yuichi Takeuchi, Naohiro Suzuki, Masahiro Sugimoto, Akitaka Soeno, Jun Morimoto +2 more | 2017-11-14 |
| 9640651 | Semiconductor device and method of manufacturing semiconductor device | Jun Saito, Akitaka Soeno, Kimimori Hamada, Shoji Mizuno, Sachiko Aoi +1 more | 2017-05-02 |
| 9627248 | Insulated gate type semiconductor device | Jun Saito, Kimimori Hamada, Akitaka Soeno, Sachiko Aoi, Toshimasa Yamamoto | 2017-04-18 |
| 9543428 | Silicon carbide semiconductor device and method for producing the same | Yuichi Takeuchi, Naohiro Suzuki, Masahiro Sugimoto, Akitaka Soeno, Jun Morimoto +2 more | 2017-01-10 |
| 9391190 | Field effect transistor incorporating a Schottky diode | Yukihiko Watanabe, Sachiko Aoi, Atsuya Akiba | 2016-07-12 |
| 9281396 | Semiconductor device | Katsuhiro Kutsuki | 2016-03-08 |
| 9276075 | Semiconductor device having vertical MOSFET structure that utilizes a trench-type gate electrode and method of producing the same | Hideo Matsuki, Naohiro Suzuki, Tsuyoshi Ishikawa, Narumasa Soejima, Yukihiko Watanabe | 2016-03-01 |
| 9257501 | Semiconductor device | Masaru Nagao, Narumasa Soejima | 2016-02-09 |
| 9214526 | Semiconductor device | Yukihiko Watanabe, Sachiko Aoi, Atsuya Akiba | 2015-12-15 |
| 9136372 | Silicon carbide semiconductor device | Shinichiro Miyahara, Masahiro Sugimoto, Yukihiko Watanabe, Narumasa Soejima, Tsuyoshi Ishikawa | 2015-09-15 |
| 9064952 | Semiconductor device | — | 2015-06-23 |
| 8975139 | Manufacturing method of silicon carbide semiconductor device | Shinichiro Miyahara, Toshimasa Yamamoto, Masahiro Sugimoto, Yukihiko Watanabe, Narumasa Soejima +1 more | 2015-03-10 |
| 8952430 | Semiconductor device and method for manufacturing semiconductor device | Hideo Matsuki, Naohiro Suzuki, Tsuyoshi Ishikawa | 2015-02-10 |
| 8933483 | Semiconductor device | Kimimori Hamada, Yuji Nishibe | 2015-01-13 |
| 8878290 | Semiconductor device | Narumasa Soejima | 2014-11-04 |
| 8809986 | Semiconductor device | Kimimori Hamada, Yuji Nishibe | 2014-08-19 |
| 8710586 | SIC semiconductor device and method for manufacturing the same | Toshimasa Yamamoto, Masahiro Sugimoto, Jun Morimoto, Narumasa Soejima, Tsuyoshi Ishikawa +1 more | 2014-04-29 |