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 patentsUS7911882B2Mar 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 patentsUS8116034B2Feb 14, 2012
Thermally assisted magnetic head having main pole arranged between near-field light-generating portions and manufacturing method of same
KOMURA EIJI44 citations94
US8077556B2Dec 13, 2011
Thermally assisted magnetic head, head gimbal assembly, and hard disk drive
KOMURA EIJI44 citations94
US8264919B2Sep 11, 2012
Thermal assisted magnetic recording head having spot size converter
KOMURA EIJI26 citations93
US8223597B2Jul 17, 2012
Thermally assisted head having reflection mirror for propagating light
KOMURA EIJI32 citations93
US8149654B2Apr 3, 2012
Wave guide that attenuates evanescent light of higher order TM mode
KOMURA EIJI21 citations93
US8107325B2Jan 31, 2012
Near-field light generating element comprising surface plasmon antenna with surface or edge opposed to waveguide
KOMURA EIJI30 citations93
US8098547B2Jan 17, 2012
Optical waveguide and thermal assist magnetic recording head therewith
KOMURA EIJI31 citations93
US8547805B1Oct 1, 2013
Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide
KOMURA EIJI10 citations84
US8462593B1Jun 11, 2013
Thermal-assisted magnetic recording head having dielectric waveguide, metal waveguide and near-field light generating element
KOMURA EIJI7 citations84
SHIMAZAWA KOJI
4 patentsUS8248892B2Aug 21, 2012
Head gimbal assembly with two wiring layers comprising thermally-assisted head
SHIMAZAWA KOJI19 citations93
US8248897B2Aug 21, 2012
Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and slider
SHIMAZAWA KOJI28 citations93
US8149653B2Apr 3, 2012
Light source unit for thermally-assisted magnetic recording capable of monitoring of light output
SHIMAZAWA KOJI32 citations93
US8441895B2May 14, 2013
Thermally-assisted magnetic recording head with light detector in element-integration surface
SHIMAZAWA KOJI13 citations84
TAKAYAMA SEIICHI
2 patentsMUGINO YOICHI
1 patentHEADWAY TECH INC
1 patentShowing the top 50 of 222 patents by PatentIndex Score.