Inventor
HATANAI TAKASHI
JP38 patents
Patents
38 patentsUS6329818B1Dec 11, 2001
Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus therefor
ALPS ELECTRIC CO LTD65 citations95
US6175296B1Jan 16, 2001
Potentiometer provided with giant magnetoresistive effect elements
ALPS ELECTRIC CO LTD58 citations95
US6060977AMay 9, 2000
Core for use in inductive element, transformer and inductor
ALPS ELECTRIC CO LTD81 citations95
US6232775B1May 15, 2001
Magneto-impedance element, and azimuth sensor, autocanceler and magnetic head using the same
ALPS ELECTRIC CO LTD61 citations94
US6171716B1Jan 9, 2001
Soft magnetic film, and thin film magnetic head, planer magnetic element, and filter using the soft magnetic film
ALPS ELECTRIC CO LTD22 citations93
US5467236ANov 14, 1995
Gapped flexure tongue for floating type magnetic head apparatus
ALPS ELECTRIC CO LTD22 citations93
US6452382B1Sep 17, 2002
Encoder provided with giant magnetoresistive effect elements
ALPS ELECTRIC CO LTD30 citations92
US6351204B1Feb 26, 2002
Thin magnetic element and transformer
ALPS ELECTRIC CO LTD29 citations92
US6171410B1Jan 9, 2001
Hard magnetic alloy, hard magnetic alloy compact, and method for producing the same
ALPS ELECTRIC CO LTD27 citations92
US6140902AOct 31, 2000
Thin magnetic element and transformer
ALPS ELECTRIC CO LTD33 citations92
US5755986AMay 26, 1998
Soft-magnetic dielectric high-frequency composite material and method for making the same
ALPS ELECTRIC CO LTD25 citations91
US6657829B2Dec 2, 2003
Tunneling magnetoresistive device
ALPS ELECTRIC CO LTD16 citations84
US6239594B1May 29, 2001
Mageto-impedance effect element
ALPS ELECTRIC CO LTD18 citations84
US6346338B1Feb 12, 2002
Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method
ALPS ELECTRIC CO LTD13 citations82
US6312530B1Nov 6, 2001
Magnetostrictive material
ALPS ELECTRIC CO LTD14 citations74
US6235129B1May 22, 2001
Hard magnetic material
ALPS ELECTRIC CO LTD14 citations74
US6150046ANov 21, 2000
Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method
ALPS ELECTRIC CO LTD9 citations74
US6036825AMar 14, 2000
Magnetic film forming method
ALPS ELECTRIC CO LTD7 citations74
US6034450AMar 7, 2000
Stepping motor and method of manufacturing hard magnetic alloy therefor
ALPS ELECTRIC CO LTD9 citations74
US5675454AOct 7, 1997
Floating type magnetic head apparatus
ALPS ELECTRIC CO LTD13 citations74
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
US6083325AJul 4, 2000
Method for making Fe-based soft magnetic alloy
ALPS ELECTRIC CO LTD13 citations73
US4638387AJan 20, 1987
Composition for sliding contact part of recording/reproducing apparatus
ALPS ELECTRIC CO LTD9 citations73
US7859258B2Dec 28, 2010
Magnetic sensor and magnetic sensor module
ALPS ELECTRIC CO LTD5 citations63
US6692582B1Feb 17, 2004
Hard magnetic alloy, hard magnetic alloy compact and method for producing the same
ALPS ELECTRIC CO LTD6 citations63
US6446702B1Sep 10, 2002
Apparatus and method for producing metallic ribbon
ALPS ELECTRIC CO LTD3 citations63
US6047763AApr 11, 2000
Metal ribbon manufacturing apparatus
ALPS ELECTRIC CO LTD2 citations63
US4768120AAug 30, 1988
Complex magnetic head having non-magnetic center core
ALPS ELECTRIC CO LTD4 citations63
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
US7535096B2May 19, 2009
Glass substrate and capacitance-type pressure sensor using the same
ALPS ELECTRIC CO LTD2 citations61