Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559347 | Insulated gate-type bipolar transistor | Tomoyuki Yamazaki | 1996-09-24 |
| 5530277 | Insulated-gate bipolar transistor | Shigeyuki Obinata, Yukio Yano | 1996-06-25 |
| 5459339 | Double gate semiconductor device and control device thereof | Ken'ya Sakurai, Noriho Terasawa, Tadashi Miyasaka, Akira Nishiura, Masaharu Nishiura | 1995-10-17 |
| 5397905 | Power semiconductor device having an insulated gate field effect transistor and a bipolar transistor | Katsunori Ueno | 1995-03-14 |
| 5378903 | Semiconductor device with low on-voltage and large controllable turn-off current | Katsunori Ueno | 1995-01-03 |