Inventor
KASAHARA NORIAKI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KASAHARA NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
28 patentsUS6381107B1Apr 30, 2002
Magneto-resistive tunnel junction head having a shield lead rear flux guide
TDK CORP123 citations98
US6469879B1Oct 22, 2002
Magneto-resistive tunnel junction head with biasing elements abutting free layer extended portions
TDK CORP64 citations96
US6344954B1Feb 5, 2002
Magneto-resistive tunnel junction head with specific flux guide structure
TDK CORP57 citations96
US7287316B2Oct 30, 2007
Lapping monitor device, system and method
TDK CORP27 citations92
US7190559B2Mar 13, 2007
Thin-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 layer
TDK CORP12 citations84
US6671141B2Dec 30, 2003
Tunnel magnetoresistive effective element, a thin film magnetic head, a magnetic head device and a magnetic disk drive device
TDK CORP14 citations84
US8000064B2Aug 16, 2011
Thin-film magnetic head for perpendicular magnetic recording and method of making the same
TDK CORP8 citations83
US7848056B2Dec 7, 2010
Thin film magnetic head having thermal expansion layer for suppressing thermal protrusion
TDK CORP9 citations83
US6886239B2May 3, 2005
Method of making a thin-film magnetic head having a magnetoresistive device
TDK CORP18 citations83
US7436633B2Oct 14, 2008
Thin-film magnetic head, head gimbal assembly and hard disk system
TDK CORP8 citations74
US6822837B2Nov 23, 2004
Thin-film magnetic head and method of manufacturing same, and method of forming a patterned thin film for a thin-film magnetic head
TDK CORP10 citations74
US7542245B2Jun 2, 2009
Composite thin-film magnetic head with non-magnetic conductive layer to balance parasitic capacitances
TDK CORP7 citations73
US7548400B2Jun 16, 2009
Thin-film magnetic head comprising bias layers having a large length in track width direction
TDK CORP4 citations63
US7274539B2Sep 25, 2007
Composite type thin film magnetic head having a low parasitic capacitance between a write coil and an upper read head shield
TDK CORP6 citations63
US6792670B2Sep 21, 2004
Method of manufacturing a magnetoresistive element substructure
TDK CORP2 citations63
US6656538B2Dec 2, 2003
Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film pattern
TDK CORP5 citations63
US6583967B2Jun 24, 2003
Thin-film magnetic head and method of manufacturing same
TDK CORP2 citations63
US7808743B2Oct 5, 2010
Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time
TDK CORP2 citations62
US7787215B2Aug 31, 2010
Thin film magnetic head in which thermal protrusion is suppressed and method of forming the same
TDK CORP2 citations62
US7672084B2Mar 2, 2010
Composite thin-film magnetic head with non-magnetic conductive layer electrically connected with lower pole layer to increase counter electrode area
TDK CORP2 citations62
US7843667B2Nov 30, 2010
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device
TDK CORP3 citations61
US7796359B2Sep 14, 2010
Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer
TDK CORP3 citations61
US7057260B2Jun 6, 2006
Method of making thin-film magnetic head
TDK CORP5 citations54
US7573675B2Aug 11, 2009
Thin film magnetic head
TDK CORP1 citations52
US7489481B2Feb 10, 2009
CCP Head having leads of substantially the same size and shape and not intervening between a shield layer and a MR element
TDK CORP1 citations52
US7398591B2Jul 15, 2008
Manufacturing method of a thin-film magnetic head
TDK CORP1 citations52
US7192676B2Mar 20, 2007
Magneto-resistance effect element bar exposure method
TDK CORP1 citations49
US7440237B2Oct 21, 2008
Thin film magnetic head, head gimbal assembly, and hard disk drive
TDK CORP0 citations42