Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362744 | Semiconductor device | — | 2025-07-15 |
| 11916137 | Semiconductor device | — | 2024-02-27 |
| 9742389 | Semiconductor device and control method thereof | Yuya Maekawa | 2017-08-22 |
| 9627519 | Semiconductor device | — | 2017-04-18 |
| 9263572 | Semiconductor device with bottom gate wirings | Satoshi Kawashiri | 2016-02-16 |
| 9117872 | Semiconductor device and method for manufacturing the semiconductor device | — | 2015-08-25 |
| 8384123 | Semiconductor device and method for manufacturing same | — | 2013-02-26 |
| 8207612 | Semiconductor device and manufacturing method thereof | Arata Shiomi | 2012-06-26 |
| 8143645 | Semiconductor device having a stacked multi structure that has layered insulated gate-type bipolar transistors | — | 2012-03-27 |
| 7893498 | Semiconductor device | — | 2011-02-22 |
| 7880222 | Semiconductor device having plural regions and elements with varying areas depending on the region | Masaki Kanazawa | 2011-02-01 |
| 7847316 | Semiconductor device and its manufacture | — | 2010-12-07 |
| 7709931 | Trenched semiconductor device | — | 2010-05-04 |
| 7161230 | Insulated gate bipolar transistor having a high switching speed and method for fabricating the same | Ryoji Takahashi | 2007-01-09 |
| 7067900 | Insulated gate bipolar transistor having a reduced tail current and method of fabricating the same | Ryoji Takahashi | 2006-06-27 |