Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287434 | Semiconductor switch device | — | 1981-09-01 |
| 4251757 | Power control system and apparatus thereof | — | 1981-02-17 |
| 4239988 | Turn off method for power transistor switch | — | 1980-12-16 |
| 4218646 | AC Feeding apparatus and rotating field apparatus having AC feeding apparatus | — | 1980-08-19 |
| 4189651 | Transistor switch device | — | 1980-02-19 |