Inventor · disambiguated record
Junichi Fujikata
Also filed as: FUJIKATA JUNICHI
52 granted patents·8 pending applications·467 citations·filing 1995–2020
98Inventor score
Files withNEC CORP35FUJIKATA JUNICHI8OKAMOTO DAISUKE5PHOTONICS ELECTRONICS TECHNOLOGY RES ASS5TDK CORP2
Top patents by PatentIndex Score
60 records- 0197US10996539B2Electro-optic modulatorNEC CORP·Filed 2019·Granted May 4, 2021·11 cites·16 claims
- 0295US10274757B2Electro-optic deviceNEC CORP·Filed 2016·Granted Apr 30, 2019·9 cites·9 claims
- 0394US8269303B2SiGe photodiodeFUJIKATA JUNICHI·Filed 2009·Granted Sep 18, 2012·33 cites·9 claims
- 0493US9703125B2Silicon-based electro-optic modulatorNEC CORP·Filed 2013·Granted Jul 11, 2017·10 cites·17 claims
- 0592US8183656B2PhotodiodeOKAMOTO DAISUKE·Filed 2007·Granted May 22, 2012·21 cites·17 claims
- 0691US11054675B2Optical modulator and method for manufacturing the samePHOTONICS ELECTRONICS TECHNOLOGY RES ASS·Filed 2018·Granted Jul 6, 2021·5 cites·15 claims
- 0791US10146070B2Optical modulator and method of manufacturing samePHOTONICS ELECTRONICS TECHNOLOGY RES ASS·Filed 2016·Granted Dec 4, 2018·5 cites·14 claims
- 0891US8532440B2Silicon-based electro-optic deviceUSHIDA JUN·Filed 2011·Granted Sep 10, 2013·17 cites·4 claims
- 0991US8466528B2Semiconductor light-receiving element, optical communication device, optical interconnect module, and photoelectric conversion methodOKAMOTO DAISUKE·Filed 2009·Granted Jun 18, 2013·16 cites·11 claims
- 1091US8467637B2Waveguide path coupling-type photodiodeFUJIKATA JUNICHI·Filed 2008·Granted Jun 18, 2013·29 cites·21 claims
- 1191US7800193B2Photodiode, method for manufacturing such photodiode, optical communication device and optical interconnection moduleNEC CORP·Filed 2007·Granted Sep 21, 2010·14 cites·44 claims
- 1290US9002144B2Electro-optical modulatorFUJIKATA JUNICHI·Filed 2010·Granted Apr 7, 2015·10 cites·19 claims
- 1389US8853812B2Photodetector, optical communication device equipped with the same, method for making of photodetector, and method for making of optical communication deviceOKAMOTO DAISUKE·Filed 2011·Granted Oct 7, 2014·6 cites·20 claims
- 1488US6999287B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2004·Granted Feb 14, 2006·21 cites·11 claims
- 1587US8936962B2Optical modulator and method for manufacturing sameFUJIKATA JUNICHI·Filed 2010·Granted Jan 20, 2015·6 cites·14 claims
- 1687US8873895B2Optical modulatorFUJIKATA JUNICHI·Filed 2011·Granted Oct 28, 2014·9 cites·14 claims
- 1787US7728366B2Photodiode and method for fabricating sameNEC CORP·Filed 2005·Granted Jun 1, 2010·10 cites·29 claims
- 1887US7085220B2Optical head and optical device for enhancing the intensity of a transmitted lightNEC CORP·Filed 2003·Granted Aug 1, 2006·22 cites·20 claims
- 1986US10025159B2Output monitoring method for optical modulator and output monitoring deviceNEC CORP·Filed 2015·Granted Jul 17, 2018·3 cites·9 claims
- 2086US8330242B2Semiconductor light-receiving elementSHIBA KAZUHIRO·Filed 2009·Granted Dec 11, 2012·9 cites·8 claims
- 2184US9244295B2Optical modulator and optical modulation device with zigzag electrode and waveguide arm alignmentNEC CORP·Filed 2015·Granted Jan 26, 2016·2 cites·9 claims
- 2284US7161774B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2006·Granted Jan 9, 2007·7 cites·5 claims
- 2383US7160572B2Spin tunnel magnetoresistive effect film and element, magnetoresistive sensor using same, magnetic apparatus, and method for manufacturing sameNEC CORP·Filed 2004·Granted Jan 9, 2007·14 cites·5 claims
- 2482US7369375B2Magneto-resistance effect element and magneto-resistance effect headNEC CORP·Filed 2006·Granted May 6, 2008·6 cites·15 claims
- 2582US6903908B2Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layerNEC CORP·Filed 2001·Granted Jun 7, 2005·16 cites·7 claims
- 2681US9829726B2Electro-optical modulatorAIST·Filed 2014·Granted Nov 28, 2017·3 cites·30 claims
- 2781US9406832B2Waveguide-coupled MSM-type photodiodeNEC CORP·Filed 2013·Granted Aug 2, 2016·2 cites·19 claims
- 2881US6747853B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2003·Granted Jun 8, 2004·13 cites·5 claims
- 2980US9621279B2Optical receiver circuitNEC CORP·Filed 2014·Granted Apr 11, 2017·5 cites·18 claims
- 3080US7883911B2Method for fabricating photodiodesNEC CORP·Filed 2009·Granted Feb 8, 2011·5 cites·12 claims
- 3178US6934132B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2001·Granted Aug 23, 2005·12 cites·5 claims
- 3276US8116600B2Optical phase modulation element and optical modulator using the sameOKAMOTO DAISUKE·Filed 2007·Granted Feb 14, 2012·5 cites·11 claims
- 3375US10340399B2Optical devicePHOTONICS ELECTRONICS TECHNOLOGY RES ASS·Filed 2016·Granted Jul 2, 2019·2 cites·4 claims
- 3474US6083632AMagnetoresistive effect film and method of manufacture thereofNEC CORP·Filed 1998·Granted Jul 4, 2000·35 cites·6 claims
- 3573US5889640AMagnetoresistive element and sensor having optimal cross pointNEC CORP·Filed 1996·Granted Mar 30, 1999·24 cites·12 claims
- 3670US9341868B2Silicon-based electro-optical deviceNEC CORP·Filed 2013·Granted May 17, 2016·1 cites·23 claims
- 3768US8483520B2Optical modulation structure and optical modulatorFUJIKATA JUNICHI·Filed 2010·Granted Jul 9, 2013·1 cites·10 claims
- 3866US7298596B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2006·Granted Nov 20, 2007·2 cites·7 claims
- 3966US7265949B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2006·Granted Sep 4, 2007·2 cites·7 claims
- 4064US11009726B2Electroab sorption optical modulatorNEC CORP·Filed 2019·Granted May 18, 2021·0 cites·14 claims
- 4164US8422837B2Semiconductor deviceNISHI KENICHI·Filed 2009·Granted Apr 16, 2013·4 cites·8 claims
- 4264US7277261B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2006·Granted Oct 2, 2007·2 cites·11 claims
- 4361US9548818B2Optical modulator and operating point control methodNEC CORP·Filed 2015·Granted Jan 17, 2017·1 cites·8 claims
- 4461US5594933AMagnetoresistance film which is a matrix of at least two specified metals having included submicron particles of a specified magnetic metal or alloyNEC CORP·Filed 1995·Granted Jan 14, 1997·15 cites·18 claims
- 4556US6215631B1Magnetoresistive effect film and manufacturing method thereforNEC CORP·Filed 1997·Granted Apr 10, 2001·18 cites·20 claims
- 4653US8637951B2Semiconductor light receiving element and optical communication deviceOKAMOTO DAISUKE·Filed 2009·Granted Jan 28, 2014·0 cites·14 claims
- 4751US6570744B1Magnetoresistance effect film and deviceTDK CORP·Filed 2000·Granted May 27, 2003·4 cites·30 claims
- 4850US2010200941A1Photodiode, optical communication device, and optical interconnection moduleFUJIKATA JUNICHI·Filed 2007·Application pending·0 cites
- 4948US8363989B2Semiconductor optical interconnection device and semiconductor optical interconnection methodNEC CORP·Filed 2009·Granted Jan 29, 2013·0 cites·18 claims
- 5048US2011176762A1Optical modulator and optical modulator fabrication methodFUJIKATA JUNICHI·Filed 2009·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →