Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985125 | Silicon carbide semiconductor device | Tsuneichiro Sano, Atsushi Ohoka, Tsutomu Kiyosawa, Osamu Ishiyama, Kouichi Saitou +3 more | 2018-05-29 |
| 9773924 | Semiconductor device having barrier region and edge termination region enclosing barrier region | Masao Uchida, Kouichi Saitou | 2017-09-26 |
| 9362370 | Silicon carbide semiconductor device having nitrogen-containing silicon alloy for ohmic contact to P-type impurity region | Chiaki Kudou, Tsutomu Kiyosawa | 2016-06-07 |