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Inventor

Takahiko Machita

Inventor
Tokyo, JP

Overview

49→
Patents
2008–2017
Patent span
Physics
Primary field (CPC G)

Patents· 49 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer31%
B82YSpecific uses or applications of nanostructures24%
G01RMeasuring electric variables19%
H10NElectric solid-state devices not otherwise provided for9%
H01FMagnets8%
Y10TTechnical subjects covered by former us classification7%
H01LSemiconductor devices2%
PatentTitleYear
9,767,834'Magnetic head comprising magneto-resistance effect element and side shields'20179,129,622'CPP-type magnetoresistance effect element and magnetic disk device'20158,913,349'CPP-type magnetoresistance effect element and magnetic disk device using side shield layers'20148,896,974'Thin film magnetic head with side layers under compression stress'20148,891,208'CPP-type magnetoresistive element including a rear bias structure and lower shields with inclined magnetizations'20148,477,461'Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers'20138,472,149'CPP type magneto-resistive effect device and magnetic disk system'20138,462,467'Thin film magnetic head including soft layer magnetically connected with shield'20138,437,106'Thin film magnetic head including spin-valve film with free layer magnetically connected with shield'20138,402,635'Method of manufacturing a magnetic head including shield layers which surround a MR element'20138,369,048'CPP-type thin film magnetic head provided with side shields including a pair of antimagnetically exchanged-coupled side shield magnetic layers'20138,310,791'Magnetoresistive effect element and magnetic disk device'20128,256,096'Method of using xenon ion beams to improve track width definition'20128,225,489'Method of manufacturing magnetoresistive element having a pair of free layers'20128,189,303'Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers'20128,179,642'Magnetoresistive effect element in CPP structure and magnetic disk device'20128,149,546'Magnetic field detecting element including tri-layer stack with stepped portion'20128,144,437'Magnetoresistive element and thin film magnetic head'20128,130,475'Method for manufacturing CPP-type thin film magnetic head provided with a pair of magnetically free layers'20128,094,420'Magnetoresistive device of the CCP (current perpendicular to plane) type with single-domain control of magnetization, and associated magnetic disk system'20128,087,157'Process to manufacture magnetic tunnel junction read head'20128,089,734'Magnetoresistive element having a pair of side shields'20128,049,997'Magnetoresistive element including a pair of free layers coupled to a pair of shield layers'20118,040,641'Magneto-resistance effect element with a stacked body having a constricted shape'20118,023,230'Magnetoresistive element including a pair of ferromagnetic layers coupled to a pair of shield layers'20117,974,048'Magneto-resistive effect device of CPP type having shield layers coupled with ferromagnetic layers'20117,948,718'Magnetoresistive head having an insulating layer with a particular compressive stress'20117,947,188'Method for manufacturing CPP-type magnetoresistance effect element'20117,944,650'Magnetoresistive element including layered film touching periphery of spacer layer'20117,929,257'Magnetic thin film having spacer layer that contains CuZn'20117,916,429'Magnetic field detecting element having thin stack with a plurality of free layers and thick bias magnetic layer'20117,916,431'Magnetoresistive element including insulating film touching periphery of spacer layer'20117,911,744'Magneto-resistive effect device and magnetic disk system with refilled insulation layer in contact with a read end face of a cap layer'20117,881,021'CPP type magnetoresistive device with biasing arrangement for ferromagnetic layers having respective magnetizations orthogonal to one another, and magnetic disk system using same'20117,881,023'Magnetoresistive device of the CPP type, and magnetic disk system'20117,876,535'Magnetoresistive device of the CPP type, and magnetic disk system'20117,869,165'Magnetic field detecting element having stack with a plurality of free layers and side shield layers'20117,869,166'Thin film magnetic head having a bias magnetic layer provided with antiferromagnetic layer and a pinned layer provided with hard magnetic layer'20117,843,668'Magnetoresistive element including two ferromagnetic layers'20107,810,227'Process to manufacture CPP GMR read head'20107,764,471'Magneto-resistance effect element having diffusion blocking layer and thin-film magnetic head'20107,739,787'Method of manufacturing a magnetoresistive element'20107,733,612'GMR device of the CPP structure, thin-film magnetic head, head gimbal assembly, and hard disk system'20107,615,996'Examination method for CPP-type magnetoresistance effect element having two free layers'20097,583,478'Thin-film magnetic head, head gimbal assembly, head arm assembly and magnetic disk drive'20097,558,027'Magnetic field sensor provided with an upper shield layer having portions with different magnetostriction'20097,551,407'Thin-film magnetic head, head gimbal assembly and hard disk drive'20097,542,233'Perpendicular magnetic recording element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus for reducing deleterious effects of external magnetic fields'20097,320,170'Xenon ion beam to improve track width definition'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2017Patents assigned to TDK CORP (49)· patent assignee history
2008–2017Based in Tokyo, JP· patent location history
2012–2013Patents assigned to MACHITA TAKAHIKO (17)· patent assignee history
2012–2013Patents assigned to MIYAUCHI DAISUKE (16)· patent assignee history
2012–2013Patents assigned to TSUCHIYA YOSHIHIRO (7)· patent assignee history
2012–2013Patents assigned to KAWAMORI KEITA (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP492008–2017
MACHITA TAKAHIKOself172012–2013
MIYAUCHI DAISUKE162012–2013
TSUCHIYA YOSHIHIRO72012–2013
KAWAMORI KEITA62012–2013
Locations
LocationPatentsSpan
Tokyo, JP492008–2017