Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881274 | FM multipath noise reduction circuit | Yasuhiro Yoshioka | 1989-11-14 |
| 4710958 | Circuit for controlling separation and high-cut operation of a stereo demodulator in an FM radio receiver | — | 1987-12-01 |
| 4694500 | Control voltage generating circuit for activating a noise reduction circuit in an FM stereo receiver | Yasuhiro Yoshioka, Kiyoshi Amazawa | 1987-09-15 |
| 4685048 | AC-DC transformation circuit | — | 1987-08-04 |
| 4387469 | Tuner control system | Takao Miyazaki | 1983-06-07 |