Inventor · disambiguated record
Tsuyoshi Maruyama
Also filed as: MARUYAMA TSUYOSHI
40 granted patents·1 pending application·152 citations·filing 1990–2022
96Inventor score
Top patents by PatentIndex Score
41 records- 0191US10738526B2Actuator and vehicle door opening/closing actuatorMITSUBA CORP·Filed 2017·Granted Aug 11, 2020·4 cites·12 claims
- 0284US5832736ADisk heat exchanger , and a refrigeration system including the sameORION MACHINERY CO LTD·Filed 1997·Granted Nov 10, 1998·56 cites·10 claims
- 0379US9229469B2Reactive force pedal deviceHONDA MOTOR CO LTD·Filed 2012·Granted Jan 5, 2016·5 cites·8 claims
- 0477US8737851B2Image forming apparatus with abnormal discharge detectionINUKAI KATSUMI·Filed 2011·Granted May 27, 2014·2 cites·5 claims
- 0576US8259353B2Image forming apparatusHAMAYA MASAHITO·Filed 2009·Granted Sep 4, 2012·4 cites·13 claims
- 0672US9485807B2Liquid heating apparatus and liquid heating methodUCHIDA MINORU·Filed 2009·Granted Nov 1, 2016·4 cites·20 claims
- 0771US6593602B2Edge emission type semiconductor device for emitting super luminescent light, its manufacture and spatial optical communication deviceSTANLEY ELECTRIC CO LTD·Filed 2001·Granted Jul 15, 2003·23 cites·11 claims
- 0870US7905558B2Vehicular brake hydraulic control deviceNISSIN KOGYO KK·Filed 2006·Granted Mar 15, 2011·6 cites·22 claims
- 0969US8792798B2Image forming apparatus having a configuration to prevent electric discharge in a cleaning memberINUKAI KATSUMI·Filed 2011·Granted Jul 29, 2014·1 cites·16 claims
- 1067US8862004B2Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargersMARUYAMA TSUYOSHI·Filed 2011·Granted Oct 14, 2014·1 cites·12 claims
- 1167US8676067B2Image forming apparatusMARUYAMA TSUYOSHI·Filed 2011·Granted Mar 18, 2014·1 cites·9 claims
- 1264US8256161B2Automatic opening/closing apparatus for vehicleNAGAI KEI·Filed 2007·Granted Sep 4, 2012·9 cites·13 claims
- 1363US8697976B2Parameter setting apparatus having separate operators for course and fine adjustments for the same parameterMARUYAMA TSUYOSHI·Filed 2009·Granted Apr 15, 2014·4 cites·13 claims
- 1462US11529569B2Column tube for chromatography, and column for chromatography employing sameDAICEL CORP·Filed 2018·Granted Dec 20, 2022·0 cites·13 claims
- 1560US11887569B2Performance system, performance mode setting method, and performance mode setting deviceYAMAHA CORP·Filed 2021·Granted Jan 30, 2024·0 cites·15 claims
- 1660US10358031B2Reaction force generating apparatusMITSUBA CORP·Filed 2016·Granted Jul 23, 2019·1 cites·13 claims
- 1760US2022277714A1Information processing system, keyboard musical instrument, and information processing methodYAMAHA CORP·Filed 2022·Application pending·0 cites
- 1857US8203066B2Pedal apparatus and electronic keyboard apparatus having the sameMARUYAMA TSUYOSHI·Filed 2009·Granted Jun 19, 2012·2 cites·10 claims
- 1955US9514728B2Musical performance apparatus that emits musical performance tones and control tones for controlling an apparatusYAMAHA CORP·Filed 2013·Granted Dec 6, 2016·1 cites·9 claims
- 2055US7084422B2Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layersSTANLEY ELECTRIC CO LTD·Filed 2005·Granted Aug 1, 2006·1 cites·7 claims
- 2154US9446673B2Charging port device for electric vehicleNISSAN MOTOR·Filed 2013·Granted Sep 20, 2016·2 cites·6 claims
- 2253US11435204B2Touch sensor unitMITSUBA CORP·Filed 2020·Granted Sep 6, 2022·0 cites·3 claims
- 2352US11342817B2Touch sensor unitMITSUBA CORP·Filed 2020·Granted May 24, 2022·0 cites·2 claims
- 2452US10557611B2Method for adjusting output light color of vehicular headlamp unitSTANLEY ELECTRIC CO LTD·Filed 2019·Granted Feb 11, 2020·0 cites·5 claims
- 2552US8249473B2Image forming apparatus with reduced deterioration of the carrier carrying developerMARUYAMA TSUYOSHI·Filed 2009·Granted Aug 21, 2012·0 cites·12 claims
- 2647US11198413B2Vehicle seat belt apparatusMAZDA MOTOR·Filed 2019·Granted Dec 14, 2021·0 cites·4 claims
- 2747US10359030B2Plunger pumpNISSIN KOGYO KK·Filed 2012·Granted Jul 23, 2019·0 cites·5 claims
- 2847US8938175B2Image forming device having a shared voltage supply and constant current controlBROTHER IND LTD·Filed 2012·Granted Jan 20, 2015·0 cites·7 claims
- 2947US7899351B2Image forming deviceBROTHER IND LTD·Filed 2009·Granted Mar 1, 2011·0 cites·12 claims
- 3046US8903261B2Heating apparatus and image forming apparatus having the sameMARUYAMA TSUYOSHI·Filed 2012·Granted Dec 2, 2014·0 cites·40 claims
- 3146US6520670B2Light radiating device with large beam spot size and spatial optical communication deviceSTANLEY ELECTRIC CO LTD·Filed 2001·Granted Feb 18, 2003·7 cites·4 claims
- 3245US11437894B2Touch sensor unitMITSUBA CORP·Filed 2020·Granted Sep 6, 2022·0 cites·4 claims
- 3345US9024614B2Power supply device performing voltage conversionMARUYAMA TSUYOSHI·Filed 2012·Granted May 5, 2015·0 cites·8 claims
- 3445US8594521B2Image forming apparatusMARUYAMA TSUYOSHI·Filed 2011·Granted Nov 26, 2013·0 cites·12 claims
- 3543US9084294B2Heating device and image forming apparatusBROTHER IND LTD·Filed 2013·Granted Jul 14, 2015·0 cites·17 claims
- 3643US8391728B2Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restartedMARUYAMA TSUYOSHI·Filed 2010·Granted Mar 5, 2013·0 cites·17 claims
- 3743US5445706AWet treatment adapted for mirror etching ZnSeSTANLEY ELECTRIC CO LTD·Filed 1994·Granted Aug 29, 1995·12 cites·22 claims
- 3840US11401746B2Sensor unit manufacturing methodMITSUBA CORP·Filed 2019·Granted Aug 2, 2022·0 cites·14 claims
- 3935US6900467B2Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layersSTANLEY ELECTRIC CO LTD·Filed 2003·Granted May 31, 2005·0 cites·12 claims
- 4032US5038669ARAM piston with internal reservoir and check valveFUGAKU KOKI KK·Filed 1990·Granted Aug 13, 1991·4 cites·1 claims
- 4128US5040967AMeans for vertically moving a ram in a compression molding machineFUGAKU KOKI KK·Filed 1990·Granted Aug 20, 1991·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →