Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864168 | Process for controlling an optical pnpn thyristor to be driven | Yoshiharu Tashiro | 1989-09-05 |
| 4829357 | PNPN thyristor | — | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864168 | Process for controlling an optical pnpn thyristor to be driven | Yoshiharu Tashiro | 1989-09-05 |
| 4829357 | PNPN thyristor | — | 1989-05-09 |