Inventor · disambiguated record
Noriaki Kasahara
Also filed as: HATATE HITOSHI · KAGOTANI LEGAL REPRESENTATIVE · KASAHARA NORIAKI
30 granted patents·3 pending applications·402 citations·filing 2000–2009
96Inventor score
Top patents by PatentIndex Score
33 records- 0197US6381107B1Magneto-resistive tunnel junction head having a shield lead rear flux guideTDK CORP·Filed 2000·Granted Apr 30, 2002·123 cites·18 claims
- 0295US6469879B1Magneto-resistive tunnel junction head with biasing elements abutting free layer extended portionsTDK CORP·Filed 2000·Granted Oct 22, 2002·64 cites·14 claims
- 0394US6344954B1Magneto-resistive tunnel junction head with specific flux guide structureTDK CORP·Filed 2000·Granted Feb 5, 2002·57 cites·18 claims
- 0488US7848056B2Thin film magnetic head having thermal expansion layer for suppressing thermal protrusionTDK CORP·Filed 2007·Granted Dec 7, 2010·9 cites·12 claims
- 0588US7287316B2Lapping monitor device, system and methodTDK CORP·Filed 2002·Granted Oct 30, 2007·27 cites·6 claims
- 0687US7542245B2Composite thin-film magnetic head with non-magnetic conductive layer to balance parasitic capacitancesTDK CORP·Filed 2006·Granted Jun 2, 2009·7 cites·10 claims
- 0787US7436633B2Thin-film magnetic head, head gimbal assembly and hard disk systemTDK CORP·Filed 2005·Granted Oct 14, 2008·8 cites·9 claims
- 0885US7274539B2Composite type thin film magnetic head having a low parasitic capacitance between a write coil and an upper read head shieldTDK CORP·Filed 2005·Granted Sep 25, 2007·6 cites·18 claims
- 0983US6886239B2Method of making a thin-film magnetic head having a magnetoresistive deviceTDK CORP·Filed 2002·Granted May 3, 2005·18 cites·18 claims
- 1081US7948716B2Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing sameSAE MAGNETICS HK LTD·Filed 2007·Granted May 24, 2011·5 cites·12 claims
- 1180US6671141B2Tunnel magnetoresistive effective element, a thin film magnetic head, a magnetic head device and a magnetic disk drive deviceTDK CORP·Filed 2001·Granted Dec 30, 2003·14 cites·15 claims
- 1278US7190559B2Thin-film magnetic head having the length of the pinned and antiferromagnetic layers greater than the width dimension thereof and/or the length of the free layerTDK CORP·Filed 2003·Granted Mar 13, 2007·12 cites·9 claims
- 1376US7843667B2Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk deviceTDK CORP·Filed 2007·Granted Nov 30, 2010·3 cites·12 claims
- 1476US7796359B2Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layerTDK CORP·Filed 2007·Granted Sep 14, 2010·3 cites·22 claims
- 1575US8000064B2Thin-film magnetic head for perpendicular magnetic recording and method of making the sameTDK CORP·Filed 2007·Granted Aug 16, 2011·8 cites·9 claims
- 1675US7672084B2Composite thin-film magnetic head with non-magnetic conductive layer electrically connected with lower pole layer to increase counter electrode areaTDK CORP·Filed 2009·Granted Mar 2, 2010·2 cites·8 claims
- 1775US6822837B2Thin-film magnetic head and method of manufacturing same, and method of forming a patterned thin film for a thin-film magnetic headTDK CORP·Filed 2002·Granted Nov 23, 2004·10 cites·12 claims
- 1873US7808743B2Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing timeTDK CORP·Filed 2007·Granted Oct 5, 2010·2 cites·12 claims
- 1973US7787215B2Thin film magnetic head in which thermal protrusion is suppressed and method of forming the sameTDK CORP·Filed 2007·Granted Aug 31, 2010·2 cites·17 claims
- 2072US7548400B2Thin-film magnetic head comprising bias layers having a large length in track width directionTDK CORP·Filed 2005·Granted Jun 16, 2009·4 cites·4 claims
- 2169US7573675B2Thin film magnetic headTDK CORP·Filed 2006·Granted Aug 11, 2009·1 cites·13 claims
- 2264US7057260B2Method of making thin-film magnetic headTDK CORP·Filed 2003·Granted Jun 6, 2006·5 cites·2 claims
- 2364US6656538B2Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film patternTDK CORP·Filed 2002·Granted Dec 2, 2003·5 cites·14 claims
- 2462US7489481B2CCP Head having leads of substantially the same size and shape and not intervening between a shield layer and a MR elementTDK CORP·Filed 2005·Granted Feb 10, 2009·1 cites·20 claims
- 2554US6792670B2Method of manufacturing a magnetoresistive element substructureTDK CORP·Filed 2001·Granted Sep 21, 2004·2 cites·15 claims
- 2654US6583967B2Thin-film magnetic head and method of manufacturing sameTDK CORP·Filed 2001·Granted Jun 24, 2003·2 cites·14 claims
- 2752US2009237833A1Magnetic tape apparatus using perpendicular magnetic recordingTDK CORP·Filed 2008·Application pending·0 cites
- 2851US2010084262A1Manufacturing method of perpendicular magnetic recording headTDK CORP·Filed 2008·Application pending·0 cites
- 2950US7192676B2Magneto-resistance effect element bar exposure methodTDK CORP·Filed 2003·Granted Mar 20, 2007·1 cites·5 claims
- 3049US2007274011A1Magnetoresistive effect element and a thin film magnetic headTDK CORP·Filed 2007·Application pending·0 cites
- 3146US7440237B2Thin film magnetic head, head gimbal assembly, and hard disk driveTDK CORP·Filed 2005·Granted Oct 21, 2008·0 cites·12 claims
- 3245US7398591B2Manufacturing method of a thin-film magnetic headTDK CORP·Filed 2004·Granted Jul 15, 2008·1 cites·6 claims
- 3342US8303780B2Method of forming mask for dry etching and manufacturing method of magnetic head using the same methodEDAKARA KENTO·Filed 2008·Granted Nov 6, 2012·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →