Inventor
YUITO ISAMU
JP34 patents
⚠️ This page may combine multiple inventors who share the name “YUITO ISAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
32 patentsUS5390061AFeb 14, 1995
Multilayer magnetoresistance effect-type magnetic head
HITACHI LTD156 citations99
US4008412AFeb 15, 1977
Thin-film field-emission electron source and a method for manufacturing the same
HITACHI LTD180 citations98
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
US5287237AFeb 15, 1994
Antiferromagnetic film superior in corrosion resistance, magnetoresistance-effect element and magnetoresistance-effect head including such thin film
HITACHI LTD71 citations96
US4881144ANov 14, 1989
Thin film magnetic head
HITACHI LTD77 citations96
US4467240AAug 21, 1984
Ion beam source
HITACHI LTD91 citations96
US5808843ASep 15, 1998
Magnetoresistance effect reproduction head
HITACHI LTD25 citations93
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
US5701221ADec 23, 1997
Magnetoresistive thin-film magnetic head and method of fabrication thereof
HITACHI LTD41 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
US4651248AMar 17, 1987
Thin-film magnetic head
HITACHI LTD34 citations92
US4539616ASep 3, 1985
Thin film magnetic head and fabricating method thereof
HITACHI LTD31 citations92
US4760481AJul 26, 1988
Thin film magnetic head having an improved coil
HITACHI LTD25 citations91
US5371643ADec 6, 1994
Magnetoresistive head structure that prevents under film from undesirable etching
HITACHI LTD21 citations90
US4636897AJan 13, 1987
Perpendicular magnetic recording and reproducing thin film head
HITACHI LTD55 citations89
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
US5212609AMay 18, 1993
Magnetoresistive head
HITACHI LTD15 citations74
US4922360AMay 1, 1990
Magnetic head
HITACHI LTD15 citations74
US4907114AMar 6, 1990
Mangeto-resistive type read head
HITACHI LTD12 citations74
US5897969AApr 27, 1999
Method of fabricating a magnetoresistive thin-film magnetic head
HITACHI LTD14 citations73
US4260665AApr 7, 1981
Electron tube cathode and method for producing the same
HITACHI LTD8 citations73
US4291252ASep 22, 1981
Electron tube cathode
HITACHI LTD9 citations72
US6665141B2Dec 16, 2003
Magnetic head having track width defined by trench portions filled with magnetic shield material
HITACHI LTD1 citations63
US6937445B2Aug 30, 2005
Recording/reproducing separated type head with heat radiating structure
HITACHI LTD2 citations62