Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329189 | Mixer circuit | Sadao Igarashi | 1994-07-12 |
| 5115317 | Tuning apparatus for a television receiver including selectively activated amplifier and local oscillator circuits | Sadao Igarashi | 1992-05-19 |
| 5057788 | 2-stage differential amplifier connected in cascade | Sadao Igarashi | 1991-10-15 |
| 4611882 | High-frequency circuit device with an annular capacitor on the back of an insulated substrate | — | 1986-09-16 |
| 4580290 | Amplifier for use with local oscillators | — | 1986-04-01 |
| 4370626 | Output coupling circuit for LC local oscillator | — | 1983-01-25 |
| 4348645 | Buffer amplifier circuit used in wideband tuner | Hiroyuki Yanagida | 1982-09-07 |
| 4254378 | Modified Foster-Seeley frequency discriminator | — | 1981-03-03 |