Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376815 | Semiconductor device having bipolar-mos composite element pellet suitable for pressure contacted structure | Yoshio Yokota, Dai Karasawa | 1994-12-27 |
| 5329142 | Self turn-off insulated-gate power semiconductor device with injection-enhanced transistor structure | Ichiro Omura | 1994-07-12 |
| 5298769 | GTO thyristor capable of preventing parasitic thyristors from being generated | Ichiro Omura | 1994-03-29 |