Inventor
TAKAGAKI TOKUHO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGAKI TOKUHO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 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
US5568331AOct 22, 1996
Method of head positioning and magnetic recording disk drive using the same
HITACHI LTD67 citations96
US5325244AJun 28, 1994
Magnetic recording data storage system
HITACHI LTD55 citations96
US6278593B1Aug 21, 2001
Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect
HITACHI LTD17 citations92
US5587235ADec 24, 1996
Magnetic recording medium and magnetic recording apparatus
HITACHI LTD30 citations92
US4950548AAug 21, 1990
Magnetic recording medium and method of producing same
HITACHI LTD42 citations92
US6483677B2Nov 19, 2002
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect
HITACHI LTD11 citations82
US5736235AApr 7, 1998
Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction
HITACHI LTD16 citations74
US5879569AMar 9, 1999
Magnetic disk and method of and apparatus for manufacturing magnetic disk
HITACHI LTD3 citations59