Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218228 | Semiconductor device and manufacturing method | Masayuki Momose, Toshiyuki Matsui | 2025-02-04 |
| 12009268 | Semiconductor device and fabrication method for semiconductor device | Motoyoshi KUBOUCHI, Kosuke Yoshida, Soichi YOSHIDA, Nao SUGANUMA | 2024-06-11 |
| 11749675 | Semiconductor device | Seiji Momota, Hitoshi Abe, Takashi Shiigi, Takeshi Fujii, Tetsutaro Imagawa +2 more | 2023-09-05 |
| 11742249 | Semiconductor device and fabrication method for semiconductor device | Motoyoshi KUBOUCHI, Kosuke Yoshida, Soichi YOSHIDA, Nao SUGANUMA | 2023-08-29 |
| 11450734 | Semiconductor device and fabrication method for semiconductor device | Motoyoshi KUBOUCHI, Kosuke Yoshida, Soichi YOSHIDA, Nao SUGANUMA | 2022-09-20 |
| 11245010 | Semiconductor device and method of manufacturing semiconductor device | Kosuke Yoshida, Haruo Nakazawa, Kenichi Iguchi, Motoyoshi KUBOUCHI | 2022-02-08 |
| 10916541 | Semiconductor device | Seiji Momota, Hitoshi Abe, Takashi Shiigi, Takeshi Fujii, Tetsutaro Imagawa +2 more | 2021-02-09 |
| 10109501 | Manufacturing method of semiconductor device having a voltage resistant structure | Haruo Nakazawa, Kenichi Iguchi, Yasukazu Seki, Katsuya Okumura | 2018-10-23 |
| 9825145 | Method of manufacturing silicon carbide semiconductor device including forming an electric field control region by a laser doping technology | Haruo Nakazawa, Kenichi Iguchi, Yasukazu Seki | 2017-11-21 |
| 9786749 | Semiconductor device having a voltage resistant structure | Haruo Nakazawa, Kenichi Iguchi, Yasukazu Seki, Katsuya Okumura | 2017-10-10 |
| 9659775 | Method for doping impurities, method for manufacturing semiconductor device | Akihiro Ikeda, Hiroshi Ikenoue, Tanemasa Asano, Kenichi Iguchi, Haruo Nakazawa +1 more | 2017-05-23 |
| 9577088 | Semiconductor device with high concentration region | — | 2017-02-21 |
| 9466711 | Semiconductor device | Seiji Momota, Hitoshi Abe, Takashi Shiigi, Takeshi Fujii, Tetsutaro Imagawa +2 more | 2016-10-11 |
| 9355858 | Method of manufacturing semiconductor device | Hiroki Wakimoto, Kenichi Iguchi, Tsunehiro Nakajima, Shunsuke Tanaka, Masaaki Ogino | 2016-05-31 |
| 9184268 | Semiconductor device | — | 2015-11-10 |
| 8861240 | Power converter | — | 2014-10-14 |
| 8809911 | Semiconductor device | — | 2014-08-19 |
| 8742501 | Power semiconductor devices and methods for manufacturing the same | — | 2014-06-03 |
| 8618557 | Wide-band-gap reverse-blocking MOS-type semiconductor device | — | 2013-12-31 |
| 8604584 | Semiconductor device and method of manufacturing semiconductor device | Hiroki Wakimoto, Kenichi Iguchi, Tsunehiro Nakajima, Shunsuke Tanaka, Masaaki Ogino | 2013-12-10 |
| 8558342 | Semiconductor device | Motoyoshi KUBOUCHI | 2013-10-15 |
| 8334581 | Semiconductor device exhibiting withstand voltages in the forward and reverse directions | — | 2012-12-18 |
| 8334565 | Trench type insulated gate MOS semiconductor device | — | 2012-12-18 |
| 8278682 | Semiconductor device | Kenichi Iguchi | 2012-10-02 |
| 8258032 | Power semiconductor devices and methods for manufacturing the same | — | 2012-09-04 |