Inventor
KITADA MASAHIRO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KITADA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
33 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
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
US5218497AJun 8, 1993
Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith
HITACHI LTD54 citations96
US4663607AMay 5, 1987
Magnetoresistive element
HITACHI LTD64 citations96
US5808843ASep 15, 1998
Magnetoresistance effect reproduction head
HITACHI LTD25 citations93
US5461526AOct 24, 1995
Magnetoresistive read head and magnetic storage system using the same
HITACHI LTD46 citations93
US5337203AAug 9, 1994
Magnetoresistive magnetic head
HITACHI LTD23 citations93
US6278593B1Aug 21, 2001
Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect
HITACHI LTD17 citations92
US5998040ADec 7, 1999
Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
HITACHI LTD49 citations92
US4663684AMay 5, 1987
Magnetic transducer using magnetoresistance effect
HITACHI LTD32 citations92
US5181149AJan 19, 1993
Magnetic recording/reproducing head assembly
HITACHI LTD32 citations91
US5371643ADec 6, 1994
Magnetoresistive head structure that prevents under film from undesirable etching
HITACHI LTD21 citations90
US6483677B2Nov 19, 2002
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect
HITACHI LTD11 citations82
US4816948AMar 28, 1989
Magneto-resistive head
HITACHI LTD20 citations82
US6064546AMay 16, 2000
Magnetic storage apparatus
HITACHI LTD5 citations74
US5212609AMay 18, 1993
Magnetoresistive head
HITACHI LTD15 citations74
US5010433AApr 23, 1991
Magnetoresistive magnetic head having a shunt film of Nb
HITACHI LTD10 citations74
US4907114AMar 6, 1990
Mangeto-resistive type read head
HITACHI LTD12 citations74
US4841399AJun 20, 1989
Magnetoresistive magnetic head including zirconium sheet film
HITACHI LTD8 citations74
US4814919AMar 21, 1989
Soft-film-bias type magnetoresitive device
HITACHI LTD7 citations74
US4544591AOct 1, 1985
Perpendicular magnetic recording medium
HITACHI LTD7 citations74
US5719729AFeb 17, 1998
Magnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write head
HITACHI LTD8 citations73
US4783711ANov 8, 1988
Magnetoresistive sensor having magnetic shields of ferrite
HITACHI LTD13 citations73
US4411757AOct 25, 1983
Formation of electrodes for magnetoresistive sensor
HITACHI LTD7 citations73
US5521005AMay 28, 1996
Magnetoresistive head
HITACHI LTD4 citations63
US5401542AMar 28, 1995
Magnetoresistive magnetic head and its manufacturing method
HITACHI LTD2 citations63
US4596646AJun 24, 1986
Thin-film permanent magnet and method of producing the same
HITACHI LTD3 citations62
US6452758B2Sep 17, 2002
Magnetic storage apparatus
HITACHI LTD0 citations52
US6297929B1Oct 2, 2001
Magnetic storage apparatus
HITACHI LTD0 citations52
US4769093ASep 6, 1988
Magnetoresistive device
HITACHI LTD1 citations52
HITACHI GLOBAL STORAGE TECH
3 patentsUS7292417B2Nov 6, 2007
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect
HITACHI GLOBAL STORAGE TECH3 citations74
US7159303B2Jan 9, 2007
Method for manufacturing magnetic head device
HITACHI GLOBAL STORAGE TECH7 citations74
US7054120B2May 30, 2006
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect
HITACHI GLOBAL STORAGE TECH7 citations74