Inventor
NAKASHIMA KEISHI
JP19 patents
Patents
19 patentsUS5001591AMar 19, 1991
Thin film magnetic head
ALPS ELECTRIC CO LTD28 citations92
US4807076AFeb 21, 1989
Thin film magnetic head for use in vertical magnetic recording
ALPS ELECTRIC CO LTD40 citations92
US7145752B2Dec 5, 2006
Magnetic head apparatus having magnetic head slider and magnetic disk apparatus equipped with magnetic head apparatus
ALPS ELECTRIC CO LTD32 citations91
US5224002AJun 29, 1993
Thin-film magnetic head device
ALPS ELECTRIC CO LTD36 citations91
US4759118AJul 26, 1988
Method of manufacturing thin film magnetic head
ALPS ELECTRIC CO LTD22 citations82
US4657812AApr 14, 1987
Recording medium for perpendicular magnetization
ALPS ELECTRIC CO LTD8 citations74
US4638391AJan 20, 1987
Vertical recording magnetic head having single core body bonded with main magnetic pole in guard layer
ALPS ELECTRIC CO LTD8 citations74
US4609593ASep 2, 1986
Magnetic recording medium
ALPS ELECTRIC CO LTD8 citations74
US4603091AJul 29, 1986
Recording medium for perpendicular magnetization
ALPS ELECTRIC CO LTD12 citations74
US4557769ADec 10, 1985
Soft magnetic material
ALPS ELECTRIC CO LTD7 citations74
US4638387AJan 20, 1987
Composition for sliding contact part of recording/reproducing apparatus
ALPS ELECTRIC CO LTD9 citations73
US5557489ASep 17, 1996
Flexible cable for floating type magnetic head device
ALPS ELECTRIC CO LTD13 citations71
US4811142AMar 7, 1989
Magnetic head for vertical magnetic recording and method of producing same
ALPS ELECTRIC CO LTD13 citations71
US4768121AAug 30, 1988
Magnetic head formed by composite main pole film and winding core for perpendicular magnetic recording
ALPS ELECTRIC CO LTD11 citations71
US4720757AJan 19, 1988
Magnetic head for vertical magnetic recording and process for producing the same
ALPS ELECTRIC CO LTD2 citations63
US4695512ASep 22, 1987
Magnetic head for perpendicular magnetic recording
ALPS ELECTRIC CO LTD6 citations63
US4641213AFeb 3, 1987
Magnetic head
ALPS ELECTRIC CO LTD4 citations63
US4622273ANov 11, 1986
Recording medium for perpendicular magnetization
ALPS ELECTRIC CO LTD3 citations63
US4592963AJun 3, 1986
Thin-film magnetic head and composite material substrate therefor
ALPS ELECTRIC CO LTD4 citations62