Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11158630 | Semiconductor device | Tetsuo Takahashi | 2021-10-26 |
| 10833574 | Switching element control device | Tetsuo Takahashi, Shinya SONEDA, Ryu Kamibaba | 2020-11-10 |
| 10593789 | Semiconductor apparatus and method of manufacturing the same | Kenji Suzuki, Koichi Nishi | 2020-03-17 |
| 10347715 | Semiconductor device having improved safe operating areas and manufacturing method therefor | Kenji Suzuki, Tetsuo Takahashi, Ryu Kamibaba, Koichi Nishi | 2019-07-09 |
| 10263102 | Semiconductor device and method of manufacturing the same | Kenji Suzuki, Koichi Nishi, Katsumi Nakamura | 2019-04-16 |
| 10205013 | Semiconductor switching element and method of manufacturing the same | Tetsuo Takahashi, Kenji Suzuki, Ryu Kamibaba, Mariko Umeyama, Koichi Nishi | 2019-02-12 |
| 7705398 | Semiconductor device preventing recovery breakdown and manufacturing method thereof | Hideki Takahashi, Yoshifumi Tomomatsu | 2010-04-27 |
| 7452756 | Semiconductor device and manufacturing process thereof | Hideki Takahashi | 2008-11-18 |
| 7326996 | Semiconductor device and manufacturing process thereof | Hideki Takahashi | 2008-02-05 |
| 7009239 | Vertical semiconductor device and manufacturing method thereof | Norifumi Tokuda, Tadaharu Minato | 2006-03-07 |
| 6838321 | SEMICONDUCTOR SUBSTRATE WITH DEFECTS REDUCED OR REMOVED AND METHOD OF MANUFACTURING THE SAME, AND SEMICONDUCTOR DEVICE CAPABLE OF BIDIRECTIONALLY RETAINING BREAKDOWN VOLTAGE AND METHOD OF MANUFACTURING THE SAME | Hideki Takahashi | 2005-01-04 |