Assignee
HIRATA KEI
JP·15 granted patents·1 pending application·62 citations·filing 2007–2012
Top patents by PatentIndex Score
16 records- 0193US8300359B2Perpendicular magnetic recording head and magnetic recording deviceHIRATA KEI·Filed 2009·Granted Oct 30, 2012·16 cites·14 claims
- 0290US8164853B2Perpendicular magnetic write head with side shield saturation magnetic flux density increasing away from magnetic poleHIRATA KEI·Filed 2010·Granted Apr 24, 2012·14 cites·8 claims
- 0385US8472137B2Magnetic head and method of manufacture thereof wherein the head includes a pole layer and non-magnetic layer having a continuous tapered face opposed to a trailing shieldHIRATA KEI·Filed 2010·Granted Jun 25, 2013·9 cites·14 claims
- 0478US8964514B2Plasmon generator and thermally-assisted magnetic recording head having the sameHIRATA KEI·Filed 2012·Granted Feb 24, 2015·4 cites·14 claims
- 0578US8559123B2Magnetic recording device, magnetic recording method and magnetic recording medium for shingle write schemeHIRATA KEI·Filed 2010·Granted Oct 15, 2013·4 cites·12 claims
- 0678US8072706B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHIRATA KEI·Filed 2009·Granted Dec 6, 2011·4 cites·24 claims
- 0773US8427790B2Thin film magnetic head having similarly structured resistive film pattern and magnetic bias layerHIRATA KEI·Filed 2008·Granted Apr 23, 2013·2 cites·16 claims
- 0869US8605387B2Thermally-assisted magnetic recording head including a magnetic pole and a heating elementHIRATA KEI·Filed 2012·Granted Dec 10, 2013·2 cites·8 claims
- 0968US8665548B2Magnetic recording device and magnetic recording methodHIRATA KEI·Filed 2011·Granted Mar 4, 2014·2 cites·5 claims
- 1064US8077436B2CPP-type magnetoresistance effect element having three magnetic layersHIRATA KEI·Filed 2008·Granted Dec 13, 2011·4 cites·15 claims
- 1163US8570843B2Thermally assisted magnetic head, magnetic head device and magnetic recording/reproducing apparatus including a recording element and a near-field light generating elementHIRATA KEI·Filed 2012·Granted Oct 29, 2013·1 cites·17 claims
- 1258US8559133B2Perpendicular magnetic write head and magnetic write deviceHIRATA KEI·Filed 2009·Granted Oct 15, 2013·0 cites·17 claims
- 1357US8568908B2Method for manufacturing magnetic film and magnetic filmHIRATA KEI·Filed 2007·Granted Oct 29, 2013·0 cites·2 claims
- 1454US8724264B2Thin film magnetic head, magnetic head slider, head gimbal assembly, head arm assembly, magnetic disk device and method of manufacturing thin film magnetic headHIRATA KEI·Filed 2008·Granted May 13, 2014·0 cites·17 claims
- 1546US2009086384A1Magneto-resistance effect element including ferromagnetic layer having granular structureHIRATA KEI·Filed 2007·Application pending·0 cites
- 1635US8164946B2Magnetic memory element, magnetic memory device, information recording/reproducing apparatusHIRATA KEI·Filed 2010·Granted Apr 24, 2012·0 cites·7 claims
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