Inventor · disambiguated record
Yasumi Imagawa
Also filed as: IMAGAWA YASUMI
11 granted patents·3 pending applications·437 citations·filing 1990–2006
92Inventor score
Top patents by PatentIndex Score
14 records- 0191US5361408ADirect conversion receiver especially suitable for frequency shift keying (FSK) modulated signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 1, 1994·114 cites·3 claims
- 0286US6275542B1Direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 14, 2001·73 cites·9 claims
- 0384US5513387AAutomatic gain control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 30, 1996·47 cites·18 claims
- 0482US6693977B2Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 17, 2004·19 cites·5 claims
- 0579US5448774AIntermittent operation receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 5, 1995·40 cites·1 claims
- 0673US5179727AAutomatic adjusting circuit for an analog filterTOSHIBA KK·Filed 1990·Granted Jan 12, 1993·27 cites·8 claims
- 0770US5293408AFSK data receiving systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Mar 8, 1994·61 cites·49 claims
- 0862US8059770B2Diversity receiving deviceIMAGAWA YASUMI·Filed 2006·Granted Nov 15, 2011·4 cites·9 claims
- 0960US5387820APower supply circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Feb 7, 1995·36 cites·8 claims
- 1057US8000673B2Diversity receiving device and receiving scheme switching methodPANASONIC CORP·Filed 2006·Granted Aug 16, 2011·2 cites·7 claims
- 1142US5894499ADirect conversion receiver having filter with cut-off frequency switching meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Apr 13, 1999·14 cites·10 claims
- 1241US2009270031A1Diversity receiving device and diversity receiving methodPANASONIC CORP·Filed 2006·Application pending·0 cites
- 1339US2004218576A1Receiver and communication terminalFiled 2002·Application pending·0 cites
- 1438US2010173600A1Diversity receiver and reception system switching methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →