Inventor
MORIWAKI EIJIN
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MORIWAKI EIJIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5390061AFeb 14, 1995
Multilayer magnetoresistance effect-type magnetic head
HITACHI LTD156 citations99
US6687099B2Feb 3, 2004
Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference
HITACHI LTD33 citations96
US6011674AJan 4, 2000
Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions
HITACHI LTD33 citations96
US5850326ADec 15, 1998
Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer
HITACHI LTD45 citations96
US5726837AMar 10, 1998
Multilayer magnetoresistance effect-type magnetic head
HITACHI LTD43 citations96
US5168409ADec 1, 1992
Integrated magnetic head having a magnetic layer functioning as both a magnetic shield and a magnetic pole
HITACHI LTD93 citations96
US4881144ANov 14, 1989
Thin film magnetic head
HITACHI LTD77 citations96
US4814921AMar 21, 1989
Multilayered magnetic films and thin-film magnetic heads using the same as a pole
HITACHI LTD61 citations94
US6839200B2Jan 4, 2005
Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write element
HITACHI LTD12 citations92
US6538844B2Mar 25, 2003
Method of fabricating a magnetic head by focused ion beam etching
HITACHI LTD13 citations92
US6278593B1Aug 21, 2001
Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect
HITACHI LTD17 citations92
US5126907AJun 30, 1992
Thin film magnetic head having at least one magnetic core member made at least partly of a material having a high saturation magnetic flux density
HITACHI LTD38 citations92
US4760481AJul 26, 1988
Thin film magnetic head having an improved coil
HITACHI LTD25 citations91
US6483677B2Nov 19, 2002
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect
HITACHI LTD11 citations82
US6307707B1Oct 23, 2001
Narrow track thin film head including magnetic poles machined by focused ion beam etching
HITACHI LTD4 citations74
US6278578B1Aug 21, 2001
Narrow track thin film head having a focused ion beam etched air bearing surface
HITACHI LTD4 citations74
US6111723AAug 29, 2000
Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer
HITACHI LTD8 citations74
US6665141B2Dec 16, 2003
Magnetic head having track width defined by trench portions filled with magnetic shield material
HITACHI LTD1 citations63