Inventor · disambiguated record
Masahiro Umewaka
Also filed as: UMEWAKA MASAHIRO
6 granted patents·3 pending applications·46 citations·filing 1997–2006
81Inventor score
Files withSANYO ELECTRIC CO9
Top patents by PatentIndex Score
9 records- 0172US7369629B2FSK signal demodulation circuitSANYO ELECTRIC CO·Filed 2004·Granted May 6, 2008·22 cites·8 claims
- 0263US7330708B2Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatusSANYO ELECTRIC CO·Filed 2004·Granted Feb 12, 2008·10 cites·9 claims
- 0355US7386328B2ReceiverSANYO ELECTRIC CO·Filed 2004·Granted Jun 10, 2008·4 cites·7 claims
- 0447US7271636B2Hysteresis comparator and reset signal generatorSANYO ELECTRIC CO·Filed 2005·Granted Sep 18, 2007·2 cites·12 claims
- 0546US7171178B2Tuning circuit having amplitude-varying functionSANYO ELECTRIC CO·Filed 2004·Granted Jan 30, 2007·3 cites·6 claims
- 0643US2005152402A1Signal processing device for collating bit, signal processing method, and signal processing programSANYO ELECTRIC CO·Filed 2005·Application pending·0 cites
- 0743US2006223500A1Authentication systemSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 0838US2006087403A1Keyless entry system, transmitter, and receiverSANYO ELECTRIC CO·Filed 2005·Application pending·0 cites
- 0934US6108428ATone control device and sound volume/tone control device for reducing noise at the time of tone modificationSANYO ELECTRIC CO·Filed 1997·Granted Aug 22, 2000·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →