Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884126 | Semiconductor device having parallel-connected, self turn-off type semiconductor elements | Eiji Harada, Sigeo Tomita, Katsunori Chida | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884126 | Semiconductor device having parallel-connected, self turn-off type semiconductor elements | Eiji Harada, Sigeo Tomita, Katsunori Chida | 1989-11-28 |