Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8455269 | Method for recovering an on-state forward voltage and, shrinking stacking faults in bipolar semiconductor devices, and the bipolar semiconductor devices | Toshiyuki Miyanagi, Hidekazu Tsuchida, Isaho Kamata, Yoshitaka Sugawara, Koji Nakayama | 2013-06-04 |
| 8367510 | Process for producing silicon carbide semiconductor device | Toshiyuki Miyanagi, Hidekazu Tsuchida, Isaho Kamata, Masahiro Nagano, Yoshitaka Sugawara +1 more | 2013-02-05 |
| 8178949 | Bipolar semiconductor device, method for producing the same, and method for controlling Zener voltage | Koji Nakayama, Yoshitaka Sugawara, Hidekazu Tsuchida | 2012-05-15 |
| 8154026 | Silicon carbide bipolar semiconductor device | Koji Nakayama, Yoshitaka Sugawara, Toshiyuki Miyanagi, Hidekazu Tsuchida, Isaho Kamata +1 more | 2012-04-10 |
| 8093599 | Silicon carbide Zener diode | Koji Nakayama, Yoshitaka Sugawara, Hidekazu Tsuchida | 2012-01-10 |