Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689130 | Vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Akira Kuroyanagi | 1997-11-18 |
| 5663096 | Method of manufacturing a vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Akira Kuroyanagi | 1997-09-02 |
| 5596217 | Semiconductor device including overvoltage protection diode | Shoji Toyoshima | 1997-01-21 |