Inventor · disambiguated record
Takahiko Kawahara
Also filed as: KAWAHARA TAKAHIKO
10 granted patents·5 pending applications·69 citations·filing 1996–2023
83Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES8MURATA MANUFACTURING CO2IKOMA NOBUYUKI1KAIDA NORIAKI1KATO YUKITOSHI1
Top patents by PatentIndex Score
15 records- 0191US6311390B1Method of producing thermistor chipsMURATA MANUFACTURING CO·Filed 1999·Granted Nov 6, 2001·61 cites·16 claims
- 0262US9899549B2Infrared-ray sensing deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Feb 20, 2018·1 cites·9 claims
- 0356US8182481B2PFO closing deviceKATO YUKITOSHI·Filed 2008·Granted May 22, 2012·1 cites·13 claims
- 0453US7723132B2Semiconductor laser and the method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted May 25, 2010·0 cites·6 claims
- 0551US2024105752A1Light receiving element and light detectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 0647US7460575B2Semiconductor laser and the method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Dec 2, 2008·0 cites·5 claims
- 0747US7123639B2Semiconductor optical device and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Oct 17, 2006·2 cites·17 claims
- 0845US7408965B2Semiconductor laser diode with emission efficiency independent of thickness of p-type cladding layerSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Aug 5, 2008·0 cites·12 claims
- 0944US7627011B2Distributed feedback laser diode and a method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Dec 1, 2009·0 cites·15 claims
- 1040US2006243992A1Semiconductor light-emitting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Application pending·0 cites
- 1139US2005189552A1Semiconductor light-emitting deviceFiled 2004·Application pending·0 cites
- 1237US2006146902A1Distributed feedback laser including AlGaInAs in feedback grating layerIKOMA NOBUYUKI·Filed 2005·Application pending·0 cites
- 1337US2004086015A1Semiconductor optical device, semiconductor laser device, semiconductor optical modulation device, and semiconductor optical integrated deviceFiled 2003·Application pending·0 cites
- 1433US5733833ASemiconductive ceramicMURATA MANUFACTURING CO·Filed 1996·Granted Mar 31, 1998·4 cites·4 claims
- 1530US8340147B2Laser diodeKAIDA NORIAKI·Filed 2010·Granted Dec 25, 2012·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →