Inventor · disambiguated record
Hideki Matsubara
Also filed as: MATSUBARA HIDEKI
26 granted patents·14 pending applications·776 citations·filing 1989–2024
96Inventor score
Top patents by PatentIndex Score
40 records- 0195US6337536B1White color light emitting diode and neutral color light emitting diodeSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jan 8, 2002·229 cites·19 claims
- 0294US6509651B1Substrate-fluorescent LEDSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jan 21, 2003·188 cites·20 claims
- 0389US6876003B1Semiconductor light-emitting device, method of manufacturing transparent conductor film and method of manufacturing compound semiconductor light-emitting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 5, 2005·67 cites·12 claims
- 0487US6741029B2Light emission apparatus and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 25, 2004·54 cites·6 claims
- 0586US4983505AOptical recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 8, 1991·35 cites·6 claims
- 0684US6642547B2Light emitting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Nov 4, 2003·44 cites·5 claims
- 0778US6348140B1Gas sensor with a high combined resistance to lead wire resistance ratioNGK SPARK PLUG CO·Filed 2000·Granted Feb 19, 2002·16 cites·14 claims
- 0875US8235603B2Optoelectric conversion module, method for assembling same, and optoelectric information processor using sameTAMURA MITSUAKI·Filed 2009·Granted Aug 7, 2012·7 cites·11 claims
- 0975US8155163B2Photonic crystal laser and method of manufacturing photonic crystal laserSAITO HIROHISA·Filed 2008·Granted Apr 10, 2012·7 cites·6 claims
- 1071US8012780B2Method of fabricating semiconductor laserSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Sep 6, 2011·3 cites·20 claims
- 1169US9543084B2Switch state detection circuit and switch systemROHM CO LTD·Filed 2014·Granted Jan 10, 2017·2 cites·13 claims
- 1266US8697550B2Method of manufacturing GaN-based filmSATOH ISSEI·Filed 2011·Granted Apr 15, 2014·2 cites·7 claims
- 1365US5665986ACompound semiconductor light emitting device and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 9, 1997·32 cites·20 claims
- 1464US5843590AEpitaxial wafer and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 1, 1998·32 cites·2 claims
- 1564US2024159886A1Drive Device, Ultrasonic Sensor and VehicleROHM CO LTD·Filed 2023·Application pending·0 cites
- 1663US2024329240A1Signal Processing Device, Sonic System and VehicleROHM CO LTD·Filed 2024·Application pending·0 cites
- 1762US8633087B2Method of manufacturing GaN-based semiconductor deviceMATSUBARA HIDEKI·Filed 2012·Granted Jan 21, 2014·2 cites·6 claims
- 1861US2024004048A1Semiconductor device and ultrasonic sensorROHM CO LTD·Filed 2023·Application pending·0 cites
- 1958US2024001404A1Semiconductor device and ultrasonic sensorROHM CO LTD·Filed 2023·Application pending·0 cites
- 2057US8605769B2Semiconductor laser device and manufacturing method thereofYOSHIMOTO SUSUMU·Filed 2005·Granted Dec 10, 2013·3 cites·4 claims
- 2156US2024205187A1Communication systemROHM CO LTD·Filed 2024·Application pending·0 cites
- 2255US6872649B2Method of manufacturing transparent conductor film and compound semiconductor light-emitting device with the filmSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Mar 29, 2005·6 cites·2 claims
- 2355US6420731B1Light emitting diode and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 16, 2002·8 cites·14 claims
- 2453US5864573AEpitaxial wafer and compound semiconductor light emitting device, and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jan 26, 1999·18 cites·20 claims
- 2552US8962365B2Method of manufacturing GaN-based film and composite substrate used thereforSATOH ISSEI·Filed 2011·Granted Feb 24, 2015·0 cites·6 claims
- 2649US2011012160A1Semiconductor light-emitting device and method for manufacturing semiconductor light-emitting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Application pending·0 cites
- 2746US10923297B2Switch monitoring device, switch state detection circuit, and a vehicle-mounted switch systemROHM CO LTD·Filed 2018·Granted Feb 16, 2021·0 cites·20 claims
- 2846US5589429AAluminum nitride sintered body and process for producing the sameNGK SPARK PLUG CO·Filed 1994·Granted Dec 31, 1996·10 cites·7 claims
- 2945US2015118830A1Method of Manufacturing GaN-Based Film and Composite Substrate Used ThereforSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 3044US5756374ACompound semiconductor light emitting device and method of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted May 26, 1998·10 cites·9 claims
- 3143US9461460B2Circuit control device, circuit system, switch state detection circuit and vehicleROHM CO LTD·Filed 2014·Granted Oct 4, 2016·0 cites·16 claims
- 3242US6465273B1Method of making ZnSe based light emitting device with in layer using vibration and pressureSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Oct 15, 2002·1 cites·14 claims
- 3342US2013163253A1White reflective flexible printed circuit boardSAITO HIROHISA·Filed 2011·Application pending·0 cites
- 3439US2013168693A1Protective-film-attached composite substrate and method of manufacturing semiconductor deviceSATOH ISSEI·Filed 2012·Application pending·0 cites
- 3539US2013032928A1Group iii nitride composite substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2011·Application pending·0 cites
- 3638US8274088B2Surface-emitting laser element, fabrication method thereof, surface-emitting laser array, and fabrication method thereofMATSUBARA HIDEKI·Filed 2007·Granted Sep 25, 2012·0 cites·8 claims
- 3738US2004238811A1Semiconductor light-emitting deviceFiled 2003·Application pending·0 cites
- 3836US2013175543A1COMPOSITE GaN SUBSTRATE, METHOD FOR MANUFACTURING COMPOSITE GaN SUBSTRATE, GROUP III NITRIDE SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR DEVICEKIYAMA MAKOTO·Filed 2011·Application pending·0 cites
- 3936US2013083513A1Light source unit, backlight unit, and flat panel display deviceSAITO HIROHISA·Filed 2011·Application pending·0 cites
- 4035US2004214363A1ZnSe based light emitting device with In layerFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →