Inventor · disambiguated record
Hiroyuki Tsurumi
Also filed as: TSURUMI HIROYUKI
20 granted patents·135 citations·filing 1999–2020
93Inventor score
Top patents by PatentIndex Score
20 records- 0194US7242250B2Power amplifierTOSHIBA KK·Filed 2005·Granted Jul 10, 2007·36 cites·20 claims
- 0283US6107886AHigh-efficiency power amplifierTOSHIBA KK·Filed 1999·Granted Aug 22, 2000·52 cites·20 claims
- 0377US7420413B2Amplifier circuit of BTL systemTOSHIBA KK·Filed 2006·Granted Sep 2, 2008·10 cites·21 claims
- 0473US9036312B2Semiconductor deviceTOSHIBA KK·Filed 2013·Granted May 19, 2015·5 cites·16 claims
- 0573US7557660B2Power amplification deviceTOSHIBA KK·Filed 2007·Granted Jul 7, 2009·8 cites·20 claims
- 0670US8193863B2Push-pull output circuitTSURUMI HIROYUKI·Filed 2010·Granted Jun 5, 2012·5 cites·9 claims
- 0769US8908886B2Power amplifying apparatus and audio systemYAMAUCHI AKIRA·Filed 2012·Granted Dec 9, 2014·4 cites·20 claims
- 0867US9602070B2Power amplifying deviceTOSHIBA KK·Filed 2015·Granted Mar 21, 2017·2 cites·16 claims
- 0967US8604842B2High-side switch circuitSATO YUKI·Filed 2012·Granted Dec 10, 2013·3 cites·7 claims
- 1066US8552799B2Power amplifying circuitTSURUMI HIROYUKI·Filed 2012·Granted Oct 8, 2013·4 cites·20 claims
- 1155US9083295B2Current feedback output circuitTOSHIBA KK·Filed 2013·Granted Jul 14, 2015·1 cites·11 claims
- 1254US7375589B2Power amplifier system provided with improved protection functionTOSHIBA KK·Filed 2006·Granted May 20, 2008·3 cites·20 claims
- 1352US11437958B2Power amplifying device and audio systemTOSHIBA KK·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 1448US9692371B2Current feedback output circuitTOSHIBA KK·Filed 2015·Granted Jun 27, 2017·0 cites·9 claims
- 1544US7696827B2Power amplifier system provided with improved protection functionTOSHIBA KK·Filed 2008·Granted Apr 13, 2010·1 cites·11 claims
- 1641US11171617B2Power amplifying device and audio equipmentTOSHIBA KK·Filed 2019·Granted Nov 9, 2021·0 cites·18 claims
- 1740US9735762B2AmplifierTOSHIBA KK·Filed 2016·Granted Aug 15, 2017·0 cites·17 claims
- 1836US8050423B2Integrated circuit device and audio systemTOSHIBA KK·Filed 2008·Granted Nov 1, 2011·0 cites·20 claims
- 1936US6388496B1Semiconductor output circuitTOSHIBA KK·Filed 2000·Granted May 14, 2002·1 cites·10 claims
- 2027US8232838B2Audio dropout amplifierYASUDA KATSUHIRO·Filed 2010·Granted Jul 31, 2012·0 cites·20 claims
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