Inventor
YAMANAKA NOBORU
JP33 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA NOBORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
29 patentsUS8027110B1Sep 27, 2011
Apparatus for measuring magnetic field of microwave-assisted head
TDK CORP63 citations98
US5995329ANov 30, 1999
Hard magnetic disc unit having head gimbal assemblies
TDK CORP93 citations98
US6920020B2Jul 19, 2005
Thin-film merged magnetic head having a heat-generating layer
TDK CORP31 citations93
US6487041B2Nov 26, 2002
Thin film magnetic head with interlayers of multi-layer poles widening to a constant width portion at a receded distance
TDK CORP30 citations92
US6381093B2Apr 30, 2002
Thin film magnetic head with magnetic films with increasing widths from a surface facing a recording medium
TDK CORP37 citations92
US6252748B1Jun 26, 2001
Thin film magnetic head with widening outer layer of multi-layer pole
TDK CORP27 citations92
US5978176ANov 2, 1999
Magnetic head for a magnetic disk having a slider with indented portions for providing heat dissipation
TDK CORP27 citations92
US6631054B2Oct 7, 2003
Thin film magnetic head, a magnetic head device, a magnetic disk drive device, and a method for manufacturing a thin film magnetic device
TDK CORP38 citations91
US5718035AFeb 17, 1998
Manufacturing method of thin film magnetic heads
TDK CORP26 citations91
US6366428B1Apr 2, 2002
Thin film magnetic head, a magnetic head device and a magnetic disk driving device
TDK CORP22 citations90
US6198600B1Mar 6, 2001
Thin film magnetic head and manufacturing method thereof
TDK CORP33 citations89
US6577475B1Jun 10, 2003
Thin-film magnetic head having reduced yoke length and method of manufacturing same
TDK CORP14 citations84
US7872471B2Jan 18, 2011
Testing method of head element and magnetic recording and reproducing apparatus capable of head evaluating
TDK CORP9 citations80
US7986481B2Jul 26, 2011
Magnetic reproducing method for suppressing low temperature noise
TDK CORP14 citations79
US7770438B2Aug 10, 2010
Head slider, glide height checking apparatus, and glide height checking method
TDK CORP9 citations79
US7187521B2Mar 6, 2007
Thin-film magnetic head, head gimbal assembly, and hard disk drive
TDK CORP6 citations74
US7031110B2Apr 18, 2006
Thin film magnetic head, magnetic head device and magnetic recording/reproducing device
TDK CORP8 citations74
US6469868B2Oct 22, 2002
Thin film magnetic head having a nonmagnetic conductive layer and method of manufacturing same
TDK CORP12 citations74
US6144533ANov 7, 2000
Thin film magnetic head
TDK CORP11 citations74
US8358127B2Jan 22, 2013
Apparatus for measuring magnetic field of microwave-assisted head
TDK CORP4 citations63
US6965496B2Nov 15, 2005
Thin film magnetic head, magnetic head device and magnetic recording/reproducing device
TDK CORP2 citations63
US6963474B2Nov 8, 2005
Thin film magnetic head, magnetic head and magnetic disk driving device
TDK CORP5 citations63
US6317291B1Nov 13, 2001
Thin-film magnetic head having improved data writing characteristics and a method of making the same
TDK CORP4 citations63
US6031696AFeb 29, 2000
Thin-film magnetic head having conductive material contacting sides of the upper pole layer and an upper surface of the lower pole layer
TDK CORP3 citations63
US5768053AJun 16, 1998
Flying magnetic head slider
TDK CORP4 citations63
US6493182B1Dec 10, 2002
Magnetic head
TDK CORP6 citations62
US5236735AAug 17, 1993
Method of producing a thin film magnetic head
TDK CORP2 citations59
US8680855B2Mar 25, 2014
Apparatus for measuring magnetic field of microwave-assisted head
TDK CORP1 citations52
US7420776B2Sep 2, 2008
Thin-film magnetic head, head gimbal assembly, and hard disk drive
TDK CORP1 citations52