Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574296 | Gate turn-off thyristor with a cathode base layer having four distinct impurity concentrations | Takeharu Kubo | 1986-03-04 |
| 4486768 | Amplified gate turn-off thyristor | Satoshi Ishibashi | 1984-12-04 |
| 4291325 | Dual gate controlled thyristor with highly doped cathode base grid covered with high resistivity base layer | Satoshi Ishibashi | 1981-09-22 |