Inventor · disambiguated record
Fumihito Koike
Also filed as: KOIKE FUMIHITO
33 granted patents·5 pending applications·451 citations·filing 1994–2021
97Inventor score
Top patents by PatentIndex Score
38 records- 0197US7433161B2Spin-valve element having fixed layer containing nano-oxide layerALPS ELECTRIC CO LTD·Filed 2005·Granted Oct 7, 2008·43 cites·20 claims
- 0293US9530957B2Magnetic sensorSUGIHARA SHINJI·Filed 2012·Granted Dec 27, 2016·18 cites·6 claims
- 0392US6292334B1Thin film magnetic head comprising shield layer having stabilized magnetic domain structureALPS ELECTRIC CO LTD·Filed 1999·Granted Sep 18, 2001·74 cites·36 claims
- 0491US6500570B2Spin-valve magnetoresistive element and method for making the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Dec 31, 2002·35 cites·43 claims
- 0586US5891586AMultilayer thin-film for magnetoresistive deviceALPS ELECTRIC CO LTD·Filed 1996·Granted Apr 6, 1999·48 cites·12 claims
- 0683US7265540B2Angle sensor having low waveform distortionALPS ELECTRIC CO LTD·Filed 2004·Granted Sep 4, 2007·22 cites·2 claims
- 0781US7193411B2Angle sensor having low waveform distortionALPS ELECTRIC CO LTD·Filed 2006·Granted Mar 20, 2007·9 cites·2 claims
- 0876US5688380AMethod of producing giant magnetoresistive material film and magnetic headALPS ELECTRIC CO LTD·Filed 1996·Granted Nov 18, 1997·30 cites·2 claims
- 0971US6995961B2Magnetic sensing element comprising antiferromagnetic layer laminated on free magnetic layerALPS ELECTRIC CO LTD·Filed 2003·Granted Feb 7, 2006·15 cites·49 claims
- 1071US5742458AGiant magnetoresistive material film which includes a free layer, a pinned layer and a coercive force increasing layerALPS ELECTRIC CO LTD·Filed 1996·Granted Apr 21, 1998·25 cites·1 claims
- 1167US11488758B2Exchange coupling film, and magnetoresistive sensor and magnetic detector including the sameALPS ALPINE CO LTD·Filed 2020·Granted Nov 1, 2022·0 cites·20 claims
- 1267US6177207B1Combination read/write thin film magnetic head and its manufacturing methodALPS ELECTRIC CO LTD·Filed 1998·Granted Jan 23, 2001·19 cites·64 claims
- 1366US11476414B2Exchange coupling film, magnetoresistance effect element film using the exchange coupling film, and magnetic detector using the exchange coupling filmALPS ALPINE CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·16 claims
- 1464US11693068B2Exchange-coupled film and magnetoresistive element and magnetic sensing device including the sameALPS ALPINE CO LTD·Filed 2021·Granted Jul 4, 2023·0 cites·14 claims
- 1564US11428757B2Exchange-coupling film and magnetoresistive element and magnetic detector using the sameALPS ALPINE CO LTD·Filed 2020·Granted Aug 30, 2022·0 cites·16 claims
- 1664US6697234B2Thin-film magnetic head having a shielding layer covered by a high-melting point layer on the magnetoresistive element sideALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 24, 2004·5 cites·7 claims
- 1762US10650849B2Magnetoresistive element having exchange-coupled film including PtCr/XMn antiferromagnetic bilayerALPS ALPINE CO LTD·Filed 2019·Granted May 12, 2020·0 cites·11 claims
- 1862US6346338B1Combination magnetoresistive/inductive thin film magnetic head and its manufacturing methodALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 12, 2002·13 cites·16 claims
- 1961US5795663AMagnetoresistive multilayer film and methods of producing the sameALPS ELECTRIC CO LTD·Filed 1996·Granted Aug 18, 1998·23 cites·25 claims
- 2060US7495868B2Exchange coupling film and magnetic sensing element including the sameALPS ELECTRIC CO LTD·Filed 2005·Granted Feb 24, 2009·3 cites·10 claims
- 2160US5805389AMagnetoresistive headALPS ELECTRIC CO LTD·Filed 1996·Granted Sep 8, 1998·14 cites·22 claims
- 2259US6387550B1Giant magnetoresistive material film, method of producing the same and magnetic head using the sameALPS ELECTRIC CO LTD·Filed 2000·Granted May 14, 2002·2 cites·11 claims
- 2358US6639762B2Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method thereforALPS ELECTRIC CO LTD·Filed 2001·Granted Oct 28, 2003·8 cites·16 claims
- 2456US6340520B1Giant magnetoresistive material film, method of producing the same magnetic head using the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Jan 22, 2002·13 cites·29 claims
- 2556US6150046ACombination magnetoresistive/inductive thin film magnetic head and its manufacturing methodALPS ELECTRIC CO LTD·Filed 1998·Granted Nov 21, 2000·9 cites·19 claims
- 2656US5585984AMagnetic headALPS ELECTRIC CO LTD·Filed 1994·Granted Dec 17, 1996·11 cites·8 claims
- 2754US11578996B2Position detection element and position detection apparatus using sameALPS ALPINE CO LTD·Filed 2020·Granted Feb 14, 2023·0 cites·17 claims
- 2854US7567412B2Magnetic sensing element with improved magnetic sensitivity stability and method for producing the sameALPS ELECTRIC CO LTD·Filed 2005·Granted Jul 28, 2009·2 cites·12 claims
- 2952US9207293B2Method for manufacturing a magnetic sensorANDO HIDETO·Filed 2012·Granted Dec 8, 2015·1 cites·3 claims
- 3050US5675460AMagnetic head and method of producing the sameALPS ELECTRIC CO LTD·Filed 1995·Granted Oct 7, 1997·9 cites·1 claims
- 3146US11476413B2Tunnel magnetoresistance effect device and magnetic device using sameALPS ALPINE CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·21 claims
- 3245US2008145523A1Spin-valve element having fixed layer containing nano-oxide layerALPS ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 3342US2013257422A1Magnetic sensor and method for manufacturing magnetic sensorALPS ELECTRIC CO LTD·Filed 2013·Application pending·0 cites
- 3441US8760913B2Magnetic detecting element and magnetic sensor utilizing sameALPS ELECTRIC CO LTD·Filed 2012·Granted Jun 24, 2014·0 cites·6 claims
- 3538US9915710B2Magnetic sensor, method of manufacturing magnetic sensor, and method of designing magnetic sensorALPS ELECTRIC CO LTD·Filed 2016·Granted Mar 13, 2018·0 cites·7 claims
- 3637US2013009630A1Magnetic detection device, magnetic sensor including the same, and method for manufacturing magnetic detection deviceALPS ELECTRIC CO LTD·Filed 2012·Application pending·0 cites
- 3734US2012032673A1Magnetic sensorMAEKAWA SHUJI·Filed 2011·Application pending·0 cites
- 3832US2016341802A1Magnetic sensorALPS ELECTRIC CO LTD·Filed 2016·Application pending·0 cites
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