Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316245 | Semiconductor device | — | 2025-05-27 |
| 11489066 | Semiconductor device | — | 2022-11-01 |
| 11309386 | Semiconductor device | — | 2022-04-19 |
| 11183588 | Semiconductor device and inverter | — | 2021-11-23 |
| 11031491 | Semiconductor device | — | 2021-06-08 |
| 10840365 | Insulated gate bipolar transistor device, manufacturing method for semiconductor device, and manufacturing method for insulated gate bipolar transistor device | Ichiro Omura, Tomoko Matsudai | 2020-11-17 |
| 10720918 | Semiconductor device | — | 2020-07-21 |
| 7012332 | Semiconductor device having sealing structure for wide gap type semiconductor chip | Yukitaka Hori, Norihisa Asano | 2006-03-14 |
| 6832549 | Rotary printing press having printing units each having printing devices arranged vertically in layers | — | 2004-12-21 |
| 6696702 | Silicon carbide semiconductor switching device | Youichi Ishimura, Hideki Haruguchi | 2004-02-24 |
| 6670687 | Semiconductor device having silicon carbide layer of predetermined conductivity type and module device having the same | Shinichi Ishizawa | 2003-12-30 |
| 6670688 | Semiconductor device including at least one schottky metal layer surrounding PN junction | Eisuke Suekawa | 2003-12-30 |
| 6657239 | Power-switching semiconductor device | Kazuhiro Morishita | 2003-12-02 |
| 6649995 | Semiconductor device and method of manufacturing the same | Shigeo Tooi | 2003-11-18 |
| 6614087 | Semiconductor device | Kazuhiro Morishita, Noritoshi Hirano | 2003-09-02 |
| 6570193 | Reverse conducting thyristor device, pressure-connection type semiconductor device and semiconductor substrate | Shinji Koga, Kazuhiro Morishita | 2003-05-27 |
| 6552413 | Diode | Noritoshi Hirano | 2003-04-22 |
| 6521919 | Semiconductor device of reduced thermal resistance and increased operating area | Noritoshi Hirano, Yoshihiro Yamaguchi | 2003-02-18 |
| 6521918 | Semiconductor device and driving method thereof | Kenji Oota, Kazuhiro Morishita | 2003-02-18 |
| 6489666 | Semiconductor device with improved heat suppression in peripheral regions | Yoshihiro Yamaguchi, Noritoshi Hirano | 2002-12-03 |
| 6479882 | Current-limiting device | Yoshihiro Yamaguchi, Takeaki Asaeda, Noritoshi Hirano | 2002-11-12 |
| 6472692 | Semiconductor device | Kazuhiro Morishita, Shinji Koga | 2002-10-29 |
| 6388276 | Reverse conducting thyristor | Noritoshi Hirano, Yoshihiro Yamaguchi | 2002-05-14 |
| 6388306 | Semiconductor device with rapid reverse recovery characteristic | Noritoshi Hirano | 2002-05-14 |
| 6323547 | Pressure contact type semiconductor device with ringshaped gate terminal | Toshinobu Kawamura, Mikio Bessho | 2001-11-27 |