Inventor · disambiguated record
Kenichiro Takahashi
Also filed as: TAKAHASHI KENICHIRO
36 granted patents·5 pending applications·355 citations·filing 1995–2025
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD11SUMITOMO ELECTRIC INDUSTRIES10NEC CORP7ADVICS CO LTD2HGST Netherlands BV2
Top patents by PatentIndex Score
41 records- 0186US8885274B1Implementing surface analysis test (SAT) function for microwave-assisted magnetic recording (MAMR) HDD with embedded contact sensor (ECS) and spin torque oscillator (STO) signalsHGST Netherlands BV·Filed 2013·Granted Nov 11, 2014·8 cites·22 claims
- 0285US6977472B2Electrodeless self-ballasted fluorescent lamp and discharge lamp operating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 20, 2005·35 cites·9 claims
- 0384US6998792B2Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 14, 2006·32 cites·14 claims
- 0482US6828740B2Electrodeless discharge lamp operating apparatus, electrodeless compact self-ballasted fluorescent lamp and discharge lamp operating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 7, 2004·29 cites·19 claims
- 0581US6597127B2Discharge lamp operating apparatus, self-ballasted discharge lamp, dimmer and illumination kit for dimmingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 22, 2003·27 cites·13 claims
- 0679US6768254B2Self-ballasted electrodeless discharge lamp and electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 27, 2004·16 cites·8 claims
- 0776US9311945B2Magnetic head for microwave assisted magnetic recordingHGST Netherlands BV·Filed 2013·Granted Apr 12, 2016·3 cites·10 claims
- 0876US6727661B2Self-ballasted fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 27, 2004·19 cites·25 claims
- 0975US8983256B2Optical fiber cableKONISHI KAZUHISA·Filed 2012·Granted Mar 17, 2015·6 cites·6 claims
- 1075US6492773B2Self-ballasted fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 10, 2002·18 cites·6 claims
- 1173US11231074B2Clutch deviceFCC KK·Filed 2019·Granted Jan 25, 2022·1 cites·5 claims
- 1273US6504322B2Discharge lamp operating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 7, 2003·16 cites·27 claims
- 1371US5664937APrecisely flow-controlling pumpHITACHI LTD·Filed 1995·Granted Sep 9, 1997·44 cites·11 claims
- 1469US9182601B2Optical deviceINOUE AKIRA·Filed 2012·Granted Nov 10, 2015·2 cites·20 claims
- 1569US6661185B2Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 9, 2003·14 cites·7 claims
- 1668US6509698B1Operating apparatus of discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 21, 2003·12 cites·6 claims
- 1763US11738727B2Brake control deviceADVICS CO LTD·Filed 2019·Granted Aug 29, 2023·0 cites·10 claims
- 1862US2025072043A1Semiconductor device, composite semiconductor device, and drive circuitSANKEN ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1961US9372311B2Wavelength selective switchSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 21, 2016·1 cites·20 claims
- 2060US7212717B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted May 1, 2007·3 cites·12 claims
- 2159US7163379B2Gradient liquid feed pump system, and liquid chromatographHITACHI SCIENCE SYSTEMS LTD·Filed 2003·Granted Jan 16, 2007·3 cites·7 claims
- 2259US2025350152A1Contactless electric power transmission systemHONDA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 2358US5723895AField effect transistor formed in semiconductor region surrounded by insulating filmNEC CORP·Filed 1996·Granted Mar 3, 1998·23 cites·18 claims
- 2454US7457497B2Optical multiplexer/demultiplexer and optical communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Nov 25, 2008·1 cites·17 claims
- 2550US6404012B1Semiconductor device having a reverse conductive type diffusion layer in an extended drain diffusion layerNEC CORP·Filed 1998·Granted Jun 11, 2002·12 cites·14 claims
- 2649US9116414B2Wavelength selective switchSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 25, 2015·0 cites·22 claims
- 2749US7110636B2Optical device control apparatus and optical device control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Sep 19, 2006·2 cites·18 claims
- 2848US9885837B2Optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Feb 6, 2018·0 cites·11 claims
- 2948US6898002B2Optical device, optical module, optical amplifier, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 24, 2005·2 cites·79 claims
- 3044US11541853B2Vehicle braking control deviceADVICS CO LTD·Filed 2018·Granted Jan 3, 2023·0 cites·6 claims
- 3143US9596526B2Wavelength selective switchSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 14, 2017·0 cites·18 claims
- 3242US6429602B1Fluorescent lamp operating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 6, 2002·4 cites·5 claims
- 3342US6046614ADrive circuit having a power recovery systemNEC CORP·Filed 1998·Granted Apr 4, 2000·9 cites·13 claims
- 3440US2001030786A1Optical add/drop multiplexer apparatus, method of controlling the same and optical communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Application pending·0 cites
- 3539US2004262619A1Semiconductor device having light-receiving elements and amplifying elements incorporated in the same chip and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2003·Application pending·0 cites
- 3638US5744836AInsulating gate type field effect transistorNEC CORP·Filed 1997·Granted Apr 28, 1998·5 cites·19 claims
- 3737US7277613B2Optical multiplexer/demultiplexer, optical communication system and method of manufacturing the optical multiplexer/demultiplexerSUMITOMO ELECTRIC INDUTRIES LT·Filed 2005·Granted Oct 2, 2007·0 cites·24 claims
- 3836US6094332AProtection circuit for discharging large amount of static charge current through field effect transistors different in break-down voltageNEC CORP·Filed 1998·Granted Jul 25, 2000·4 cites·16 claims
- 3935US5929485AHigh voltage insulated gate type bipolar transistor for self-isolated smart power ICNEC CORP·Filed 1997·Granted Jul 27, 1999·4 cites·2 claims
- 4034US2002047176A1Horizontal, insulated gate field effect transistor and method of driving the sameNEC CORP·Filed 2001·Application pending·0 cites
- 4133US9467757B2Wavelength selective switchSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Oct 11, 2016·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →