P

Inventor

SHIMAZAWA KOJI

JP222 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAZAWA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TDK CORP

33 patents
US7911882B2Mar 22, 2011

Thin-film magnetic head with near-field-light-generating layer

TDK CORP61 citations98
US6381107B1Apr 30, 2002

Magneto-resistive tunnel junction head having a shield lead rear flux guide

TDK CORP123 citations98
US6643104B2Nov 4, 2003

Magnetoresistive effect thin-film magnetic head

TDK CORP61 citations96
US6603642B1Aug 5, 2003

Magnetic transducer having a plurality of magnetic layers stacked alternately with a plurality of nonmagnetic layers and a fixed-orientation-of-magnetization layer and thin film magnetic head including the magnetic transducer

TDK CORP68 citations96
US6469879B1Oct 22, 2002

Magneto-resistive tunnel junction head with biasing elements abutting free layer extended portions

TDK CORP64 citations96
US6344954B1Feb 5, 2002

Magneto-resistive tunnel junction head with specific flux guide structure

TDK CORP57 citations96
US8000178B2Aug 16, 2011

Near-field light generating element utilizing surface plasmon

TDK CORP52 citations94
US8369191B2Feb 5, 2013

Method for controlling the current of laser diode on thermally assisted magnetic recording head

TDK CORP28 citations93
US8049997B2Nov 1, 2011

Magnetoresistive element including a pair of free layers coupled to a pair of shield layers

TDK CORP22 citations93
US8023225B2Sep 20, 2011

Thermally assisted magnetic head with optical waveguide

TDK CORP29 citations93
US7974048B2Jul 5, 2011

Magneto-resistive effect device of CPP type having shield layers coupled with ferromagnetic layers

TDK CORP22 citations93
US6738234B1May 18, 2004

Thin film magnetic head and magnetic transducer

TDK CORP21 citations93
US6657826B2Dec 2, 2003

Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive

TDK CORP34 citations93
US6591481B2Jul 15, 2003

Method of manufacturing magnetoresistive device and method of manufacturing thin-film magnetic head

TDK CORP44 citations93
US6529353B2Mar 4, 2003

Magnetoresistive tunnel junction element with bias magnetic field applying layer

TDK CORP41 citations93
US6482657B2Nov 19, 2002

Methods of manufacturing tunnel magnetoresistive element, thin-film magnetic head and memory element

TDK CORP44 citations93
US6483675B1Nov 19, 2002

Tunnel magnetoresistance effect element

TDK CORP47 citations93
US6473257B1Oct 29, 2002

Method and apparatus for measuring characteristics of ferromagnetic tunnel magnetoresistance effect element, and hard disk drive

TDK CORP40 citations93
US6451215B1Sep 17, 2002

Method of producing magneto-resistive tunnel junction head

TDK CORP27 citations93
US6452385B1Sep 17, 2002

Magnetoresistive effect sensor with double-layered film protection layer

TDK CORP48 citations93
US6413325B1Jul 2, 2002

Method for manufacturing thin-film magnetic head

TDK CORP39 citations93
US6335081B1Jan 1, 2002

Tunnel magnetoresistance effect element

TDK CORP40 citations93
US6233127B1May 15, 2001

Thin film device provided with means for electrostatic breakdown prevention

TDK CORP36 citations93
US6219274B1Apr 17, 2001

Ferromagnetic tunnel magnetoresistance effect element and method of producing the same

TDK CORP44 citations93
US7957085B2Jun 7, 2011

Thermally assisted magnetic head, head gimbal assembly, and hard disk drive

TDK CORP21 citations92
US7821732B2Oct 26, 2010

Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereof

TDK CORP35 citations92
US7804655B2Sep 28, 2010

Thermally assisted magnetic head

TDK CORP32 citations92
US6478884B2Nov 12, 2002

Method for manufacturing thin-film magnetic head with spin valve magnetoresistive sensor

TDK CORP20 citations92
US6294911B1Sep 25, 2001

Measurement method of magnetization direction of magnetoresistive effect devices and measurement apparatus based on the method of TDK corporation

TDK CORP36 citations92
US10043542B2Aug 7, 2018

Plasmon generator with separating layer for thermal assisted magnetic recording head

TDK CORP7 citations84
US9640206B1May 2, 2017

Thermal assisted magnetic recording head with plasmon generator

TDK CORP10 citations84
US8811127B1Aug 19, 2014

Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part

TDK CORP17 citations84
US8750082B1Jun 10, 2014

Thermally-assisted magnetic recording head having gap layers between magnetic pole and plasmon generator

TDK CORP10 citations84

KOMURA EIJI

9 patents

SHIMAZAWA KOJI

4 patents

TAKAYAMA SEIICHI

2 patents

MUGINO YOICHI

1 patent

HEADWAY TECH INC

1 patent

Showing the top 50 of 222 patents by PatentIndex Score.