Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051703 | FM demodulator with tracking filter | Kazuhiro Idogawa | 1991-09-24 |
| 4899389 | Pulsating noise removal device | — | 1990-02-06 |
| 4862097 | Pulsating noise removal device | Akira Mori | 1989-08-29 |
| 4701715 | Preceding value holding gate circuit for eliminating pulsive noises | Akira Mori | 1987-10-20 |
| 4694500 | Control voltage generating circuit for activating a noise reduction circuit in an FM stereo receiver | Satoru Tazaki, Yasuhiro Yoshioka | 1987-09-15 |
| 4682045 | Noise eliminating signal compensation circuit | Akira Mori | 1987-07-21 |
| 4680792 | Demodulator comprising an indicator circuit for use in common to cancellation of a pilot signal and an indication of a reception state | Kouichi Tanaka, Takeshi Kuwajima | 1987-07-14 |
| 4634902 | Circuit arrangement capable of adjusting a threshold level of a differential transistor circuit | Kouichi Tanaka, Takeshi Kuwajima | 1987-01-06 |
| 4612662 | Control circuit | Takeshi Kuwajima | 1986-09-16 |
| 4331885 | Gate circuit | Masaharu Mori, Takashi Taniyama | 1982-05-25 |
| 4305042 | Circuit for compensating for discontinuity of a noise cancelled signal | Kouichi Tanaka | 1981-12-08 |
| 4301541 | Noise eliminating circuit | Koichi Tanaka | 1981-11-17 |
| 4300104 | Automatic gain control circuit for a noise pulse canceller | Kouichi Tanaka | 1981-11-10 |
| 4297645 | Automatic gain control circuit comprising a circuit for comparing a modulated signal with an envelope detected signal | Kouichi Tanaka | 1981-10-27 |
| 4268793 | Noise eliminating circuit | Masaharu Mori, Takashi Taniyama | 1981-05-19 |
| 4216430 | Noise eliminating circuit with automatic gain control | Masaharu Mori, Takashi Taniyama | 1980-08-05 |
| 4207432 | Noise eliminating system | Masaharu Mori | 1980-06-10 |
| 4189679 | Noise detecting circuit having noise-immune AGC | Masaharu Mori | 1980-02-19 |