Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11621279 | Semiconductor device having a diode formed in a first trench and a bidirectional zener diode formed in a second trench | — | 2023-04-04 |
| 9559787 | Photocoupling device manufacturing method, photocoupling device, and power conversion system | — | 2017-01-31 |
| 9236954 | Photocoupler with protrusion | Kazuhiro Mitamura, Shigeru Moribayashi | 2016-01-12 |