Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831288 | Direct parallel connection circuit of self-turn-off semiconductor elements | Katsunori Chida, Sigeo Tomita | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831288 | Direct parallel connection circuit of self-turn-off semiconductor elements | Katsunori Chida, Sigeo Tomita | 1989-05-16 |