Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945691 | Semiconductor device for preventing destruction during a turn-off state | Yoshifumi Tomomatsu, Mitsuyoshi Takeda | 1999-08-31 |
| 5811873 | Diode having soft recovery characteristics over a wide range of operating conditions | — | 1998-09-22 |
| 5717244 | Semiconductor device having layers with varying lifetime characteristics | — | 1998-02-10 |