Inventor · disambiguated record
Mamoru Sekiya
Also filed as: SEKIYA MAMORU
18 granted patents·60 citations·filing 1976–2016
91Inventor score
Top patents by PatentIndex Score
18 records- 0182US7835538B2LoudspeakerONKYO KK·Filed 2009·Granted Nov 16, 2010·12 cites·5 claims
- 0272US7652358B2Semiconductor device including main substrate and sub substratesONKYO KK·Filed 2008·Granted Jan 26, 2010·6 cites·7 claims
- 0372US7456668B2Pulse width modulation circuit and switching amplifier using the sameONKYO KK·Filed 2007·Granted Nov 25, 2008·7 cites·11 claims
- 0470US8310307B2Amplifying circuitKAWAGUCHI TSUYOSHI·Filed 2011·Granted Nov 13, 2012·6 cites·10 claims
- 0560US9787319B2Signal modulation circuitONKYO KK·Filed 2016·Granted Oct 10, 2017·1 cites·4 claims
- 0656US7466192B2Low-pass filter and voltage-current conversion circuit used in the sameONKYO KK·Filed 2007·Granted Dec 16, 2008·3 cites·7 claims
- 0755US9287867B2Pulse synthesizing circuitONKYO KK·Filed 2014·Granted Mar 15, 2016·1 cites·6 claims
- 0853US6697002B2Low-pass filterONKYO KK·Filed 2003·Granted Feb 24, 2004·7 cites·6 claims
- 0952US8970269B2Pulse width modulator and switching amplifierONKYO KK·Filed 2013·Granted Mar 3, 2015·1 cites·5 claims
- 1050US4072907AAmplifier circuitSHIN SHIRASUNA ELECTRIC CORP·Filed 1976·Granted Feb 7, 1978·7 cites·2 claims
- 1147US7224217B2Switching amplifierONKYO KK·Filed 2005·Granted May 29, 2007·3 cites·8 claims
- 1245US8552802B2Amplifying circuit and current-voltage conversion circuitKAWAGUCHI TSUYOSHI·Filed 2011·Granted Oct 8, 2013·1 cites·11 claims
- 1345US7773373B2Vibration-damping structure for audio apparatusONKYO KK·Filed 2007·Granted Aug 10, 2010·0 cites·5 claims
- 1444US9350378B2Signal modulation circuitONKYO KK·Filed 2014·Granted May 24, 2016·0 cites·7 claims
- 1539US9590654B2Signal modulation circuitONKYO KK·Filed 2015·Granted Mar 7, 2017·0 cites·2 claims
- 1637US5030858APrevention against noise of digital audio circuitSHIN SHIRASUNA ELECTRIC CORP·Filed 1990·Granted Jul 9, 1991·5 cites·6 claims
- 1736US7710175B2Pulse width modulation circuit and switching amplifier using the sameONKYO KK·Filed 2008·Granted May 4, 2010·0 cites·11 claims
- 1831US8570083B2Pulse width modulation circuit and switching amplifier using the sameNAKANISHI YOSHINORI·Filed 2008·Granted Oct 29, 2013·0 cites·10 claims
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