Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12002853 | Semiconductor device | Toru Oka | 2024-06-04 |
| 10468515 | Semiconductor device and power converter | Tohru Oka | 2019-11-05 |
| 10403727 | Semiconductor device | Yukihisa Ueno, Tohru Oka | 2019-09-03 |
| 10236373 | Semiconductor device and production method therefor | Junichiro Kurosaki, Tohru Oka, Junya Nishii | 2019-03-19 |
| 9831311 | Semiconductor device and method of manufacturing the same | Tohru Oka | 2017-11-28 |
| 9685348 | Semiconductor device, method of manufacturing the same and power converter | Tohru Oka, Nariaki Tanaka | 2017-06-20 |