Inventor · disambiguated record
Shigeru Hasegawa
Also filed as: HASEGAWA SHIGERU
136 granted patents·5 pending applications·1,233 citations·filing 1975–2018
99Inventor score
Top patents by PatentIndex Score
141 records- 0196USD291196SCombined tape recorder and audio mixerTEAC CORP·Filed 1985·Granted Aug 4, 1987·49 cites·1 claims
- 0294US9097216B2Fuel vapor purge deviceDENSO CORP·Filed 2013·Granted Aug 4, 2015·13 cites·9 claims
- 0390USD325383SAudio mixerTEAC CORP·Filed 1989·Granted Apr 14, 1992·29 cites·1 claims
- 0487USD408408SDigital audio disc playerTEAC CORP·Filed 1997·Granted Apr 20, 1999·32 cites·1 claims
- 0587USD321191SDigital audio disc playerTEAC CORP·Filed 1989·Granted Oct 29, 1991·24 cites·1 claims
- 0686USD357917SRemote controller for a disc recording/reproducing unitTEAC CORP·Filed 1993·Granted May 2, 1995·29 cites·1 claims
- 0786USD326454SCombined audio mixer and tape recorderTEAC CORP·Filed 1990·Granted May 26, 1992·27 cites·1 claims
- 0886USD314198SDigital audio disc playerTEAC CORP·Filed 1988·Granted Jan 29, 1991·23 cites·1 claims
- 0984USD325204SCombined audio mixer and tape recorderTEAC CORP·Filed 1990·Granted Apr 7, 1992·25 cites·1 claims
- 1083US6337498B1Semiconductor device having directionally balanced gates and manufacturing methodTOSHIBA KK·Filed 1999·Granted Jan 8, 2002·50 cites·5 claims
- 1183USD317918SMusical instrument digital interface controllerTEAC CORP·Filed 1988·Granted Jul 2, 1991·20 cites·1 claims
- 1282US7211861B2Insulated gate semiconductor deviceTOSHIBA KK·Filed 2005·Granted May 1, 2007·11 cites·10 claims
- 1382US7012423B2Rotation angle detectorDENSO CORP·Filed 2003·Granted Mar 14, 2006·22 cites·7 claims
- 1482USD367052SCombined audio mixer and tape recorderTEAC CORP·Filed 1994·Granted Feb 13, 1996·22 cites·1 claims
- 1582USD357255SAudio mixerTEAC CORP·Filed 1993·Granted Apr 11, 1995·22 cites·1 claims
- 1681USD421754SSpeaker boxTEAC CORP·Filed 1999·Granted Mar 21, 2000·22 cites·1 claims
- 1781USD397197SAir cleanerTEAC CORP·Filed 1996·Granted Aug 18, 1998·23 cites·1 claims
- 1879USD415738SData recorderTEAC CORP·Filed 1998·Granted Oct 26, 1999·21 cites·1 claims
- 1979USD338671SStreaming cassette tape driveTEAC CORP·Filed 1990·Granted Aug 24, 1993·20 cites·1 claims
- 2079USD325737SAudio mixerTEAC CORP·Filed 1990·Granted Apr 28, 1992·20 cites·1 claims
- 2178US9638145B2Fuel-vapor leakage detectorDENSO CORP·Filed 2015·Granted May 2, 2017·2 cites·4 claims
- 2278USD325580SAudio mixerTEAC CORP·Filed 1989·Granted Apr 21, 1992·16 cites·1 claims
- 2376US8001870B2AcceleratorDENSO CORP·Filed 2005·Granted Aug 23, 2011·9 cites·15 claims
- 2476USD391258SCombined tuner and amplifierTEAC CORP·Filed 1997·Granted Feb 24, 1998·19 cites·1 claims
- 2575USD343348SKnob for electric apparatusTEAC CORP·Filed 1992·Granted Jan 18, 1994·17 cites·1 claims
- 2675USD340716SDigital audio disc playerTEAC CORP·Filed 1991·Granted Oct 26, 1993·17 cites·1 claims
- 2775USD315905SDigital audio disc playerTEAC CORP·Filed 1988·Granted Apr 2, 1991·15 cites·1 claims
- 2874USD313997SRemote controller for audio machinesTEAC CORP·Filed 1988·Granted Jan 22, 1991·14 cites·1 claims
- 2973USD332788SAudio mixerTEAC CORP·Filed 1990·Granted Jan 26, 1993·15 cites·1 claims
- 3072USD360883SData recording and reproducing apparatusTEAC CORP·Filed 1994·Granted Aug 1, 1995·15 cites·1 claims
- 3172USD321190SDigital audio disc playerTEAC CORP·Filed 1989·Granted Oct 29, 1991·13 cites·1 claims
- 3271US10584663B1Evaporative fuel leak check systemDENSO INT AMERICA INC·Filed 2018·Granted Mar 10, 2020·1 cites·12 claims
- 3371US10156208B2Inspection apparatus and inspection methodDENSO CORP·Filed 2016·Granted Dec 18, 2018·1 cites·12 claims
- 3471USD362845SStreaming cassette tape drive for measuring apparatusTEAC CORP·Filed 1994·Granted Oct 3, 1995·14 cites·1 claims
- 3570USD517040SDigital audio disc player with radioTEAC CORP·Filed 2003·Granted Mar 14, 2006·16 cites·1 claims
- 3670USD321189SDigital audio disc playerTEAC CORP·Filed 1989·Granted Oct 29, 1991·12 cites·1 claims
- 3769USD319237STape recorderTEAC CORP·Filed 1989·Granted Aug 20, 1991·11 cites·1 claims
- 3869USD319236SCombined tape player and tunerTEAC CORP·Filed 1989·Granted Aug 20, 1991·12 cites·1 claims
- 3968USD391259SCombined tuner and amplifierTEAC CORP·Filed 1997·Granted Feb 24, 1998·14 cites·1 claims
- 4068USD339586SData recording/reproducing apparatusTEAC CORP·Filed 1991·Granted Sep 21, 1993·13 cites·1 claims
- 4167US10422303B2Vane pump and fuel vapor leakage detection device using the sameDENSO CORP·Filed 2015·Granted Sep 24, 2019·1 cites·9 claims
- 4267US7823481B2Pedal moduleDENSO CORP·Filed 2005·Granted Nov 2, 2010·4 cites·17 claims
- 4367USD340931SAudio mixerTEAC CORP·Filed 1991·Granted Nov 2, 1993·12 cites·1 claims
- 4467USD321194SCombined digital audio disc player, tuner and tape recorderTEAC CORP·Filed 1989·Granted Oct 29, 1991·11 cites·1 claims
- 4566USD327890STape recorderTEAC CORP·Filed 1988·Granted Jul 14, 1992·10 cites·1 claims
- 4666USD321876SData recorder/reproducerTEAC CORP·Filed 1989·Granted Nov 26, 1991·10 cites·1 claims
- 4765US9129885B2Power semiconductor moduleNAKAYAMA YASUSHI·Filed 2011·Granted Sep 8, 2015·2 cites·20 claims
- 4865USD384356SCombined audio mixer and tape recorderTEAC CORP·Filed 1996·Granted Sep 30, 1997·13 cites·1 claims
- 4965USD349705SAudio mixerTEAC CORP·Filed 1990·Granted Aug 16, 1994·11 cites·1 claims
- 5065USD318664SDigital audio disc playerTEAC CORP·Filed 1988·Granted Jul 30, 1991·10 cites·1 claims
Showing the top 50 of 141 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →