Inventor
KOIDE SOJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KOIDE SOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
13 patentsUS7623322B2Nov 24, 2009
Thin-film magnetic head with heater spaced further from medium facing surface than split in shield
TDK CORP28 citations92
US7113369B2Sep 26, 2006
Head slider, head gimbal assembly, and hard disk drive
TDK CORP26 citations92
US7224553B2May 29, 2007
Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater
TDK CORP21 citations89
US7203035B2Apr 10, 2007
Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater
TDK CORP16 citations84
US7184246B2Feb 27, 2007
Thin-film magnetic head having heater member and bump for electrical connection of heater member
TDK CORP12 citations84
US7872471B2Jan 18, 2011
Testing method of head element and magnetic recording and reproducing apparatus capable of head evaluating
TDK CORP9 citations80
US7102856B2Sep 5, 2006
Head slider and manufacturing method thereof
TDK CORP9 citations74
US6945847B2Sep 20, 2005
Method of lapping medium-opposing surface in thin-film magnetic head
TDK CORP8 citations74
US7155808B2Jan 2, 2007
Method of making thin film magnetic head
TDK CORP7 citations73
US7542236B2Jun 2, 2009
Head slider, head gimbal assembly, and hard disk dirve
TDK CORP4 citations63
US7180707B2Feb 20, 2007
Thin-film magnetic head, head gimbal assembly, and hard disk drive
TDK CORP3 citations63
US7583479B2Sep 1, 2009
Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly
TDK CORP6 citations62
US7384327B2Jun 10, 2008
Method for grinding a bar of thin film magnetic elements utilizing a plurality of resistive films
TDK CORP6 citations61