Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607174 | Voltage detection circuit using threshold as reference voltage for detecting input voltage | Masashi Shoji | 1986-08-19 |
| 4596957 | Amplifier system switchable between two amplifying operations | Hirokazu Fukaya | 1986-06-24 |
| 4494077 | Amplifier system switchable between two amplifying operations | Hirokazu Fukaya | 1985-01-15 |