Inventor · disambiguated record
Kiyoshi Amazawa
Also filed as: AMAZAWA KIYOSHI
20 granted patents·178 citations·filing 1977–1990
95Inventor score
Top patents by PatentIndex Score
20 records- 0183US4216430ANoise eliminating circuit with automatic gain controlCLARION CO LTD·Filed 1979·Granted Aug 5, 1980·23 cites·3 claims
- 0267US4268793ANoise eliminating circuitAMAZAWA KIYOSHI·Filed 1978·Granted May 19, 1981·14 cites·6 claims
- 0366US4305042ACircuit for compensating for discontinuity of a noise cancelled signalNIPPON ELECTRIC CO·Filed 1979·Granted Dec 8, 1981·12 cites·1 claims
- 0465US4701715APreceding value holding gate circuit for eliminating pulsive noisesCLARION CO LTD·Filed 1986·Granted Oct 20, 1987·16 cites·1 claims
- 0562US4682045ANoise eliminating signal compensation circuitCLARION CO LTD·Filed 1986·Granted Jul 21, 1987·15 cites·5 claims
- 0660US4297645AAutomatic gain control circuit comprising a circuit for comparing a modulated signal with an envelope detected signalNIPPON ELECTRIC CO·Filed 1979·Granted Oct 27, 1981·10 cites·5 claims
- 0755US4634902ACircuit arrangement capable of adjusting a threshold level of a differential transistor circuitCLARION CO LTD·Filed 1983·Granted Jan 6, 1987·9 cites·11 claims
- 0855US4301541ANoise eliminating circuitNIPPON ELECTRIC CO·Filed 1979·Granted Nov 17, 1981·8 cites·4 claims
- 0953US4178552ANoise eliminating circuitCLARION CO LTD·Filed 1977·Granted Dec 11, 1979·7 cites·5 claims
- 1052US4899389APulsating noise removal deviceCLARION CO LTD·Filed 1988·Granted Feb 6, 1990·9 cites·9 claims
- 1149US4189679ANoise detecting circuit having noise-immune AGCCLARION CO LTD·Filed 1977·Granted Feb 19, 1980·9 cites·4 claims
- 1246US4694500AControl voltage generating circuit for activating a noise reduction circuit in an FM stereo receiverCLARION CO LTD·Filed 1986·Granted Sep 15, 1987·10 cites·5 claims
- 1342US4130805ANoise clearing systemCLARION CO LTD·Filed 1977·Granted Dec 19, 1978·4 cites·5 claims
- 1440US4680792ADemodulator comprising an indicator circuit for use in common to cancellation of a pilot signal and an indication of a reception stateNEC CORP·Filed 1985·Granted Jul 14, 1987·7 cites·6 claims
- 1540US4331885AGate circuitCLARION CO LTD·Filed 1981·Granted May 25, 1982·5 cites·3 claims
- 1638US4300104AAutomatic gain control circuit for a noise pulse cancellerNIPPON ELECTRIC CO·Filed 1979·Granted Nov 10, 1981·3 cites·3 claims
- 1736US4207432ANoise eliminating systemCLARION CO LTD·Filed 1977·Granted Jun 10, 1980·4 cites·7 claims
- 1833US5051703AFM demodulator with tracking filterCLARION CO LTD·Filed 1990·Granted Sep 24, 1991·6 cites·6 claims
- 1932US4862097APulsating noise removal deviceCLARION CO LTD·Filed 1988·Granted Aug 29, 1989·2 cites·7 claims
- 2032US4612662AControl circuitNEC CORP AND CLARION CO LTD·Filed 1984·Granted Sep 16, 1986·5 cites·4 claims
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