Inventor
YOSHIKAWA MASATOSHI
JP121 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
37 patentsUS6937446B2Aug 30, 2005
Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system
TOSHIBA KK124 citations99
US6338899B1Jan 15, 2002
Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system
TOSHIBA KK249 citations99
US6303218B1Oct 16, 2001
Multi-layered thin-film functional device and magnetoresistance effect element
TOSHIBA KK156 citations99
US7768824B2Aug 3, 2010
Magnetoresistive element and magnetoresistive random access memory including the same
TOSHIBA KK58 citations98
US7663197B2Feb 16, 2010
Magnetoresistive element
TOSHIBA KK97 citations98
US7596015B2Sep 29, 2009
Magnetoresistive element and magnetic memory
TOSHIBA KK94 citations98
US7046489B2May 16, 2006
Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system
TOSHIBA KK63 citations98
US6784509B2Aug 31, 2004
Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
TOSHIBA KK76 citations98
US6132892AOct 17, 2000
Soft magnetic alloy film and manufacturing method thereof, and magnetic head incorporating the same
TOSHIBA KK104 citations98
US7379278B2May 27, 2008
Magnetoresistance effect element, having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance
TOSHIBA KK34 citations96
US7223485B2May 29, 2007
Magnetoresistive device, magnetoresistive head and magnetic recording-reproducing apparatus
TOSHIBA KK55 citations96
US7116529B2Oct 3, 2006
Magnetoresistive element in which pinned magnetization layers have antiparallel pinned directions, magnetic head and magnetic recording/reproducing apparatus
TOSHIBA KK60 citations96
US7072153B2Jul 4, 2006
Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance
TOSHIBA KK35 citations96
US7008702B2Mar 7, 2006
Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system
TOSHIBA KK38 citations96
US6905780B2Jun 14, 2005
Current-perpendicular-to-plane-type magnetoresistive device, and magnetic head and magnetic recording-reproducing apparatus using the same
TOSHIBA KK66 citations96
US6847509B2Jan 25, 2005
Magnetoresistive head and perpendicular magnetic recording-reproducing apparatus
TOSHIBA KK41 citations96
US6564445B1May 20, 2003
Magnetic head manufacturing method
TOSHIBA KK68 citations96
US6495275B2Dec 17, 2002
Multi-layered thin-film functional device and magnetoresistance effect element
TOSHIBA KK68 citations96
US8363462B2Jan 29, 2013
Magnetoresistive element
TOSHIBA KK21 citations93
US8036025B2Oct 11, 2011
Magnetoresistive element
TOSHIBA KK33 citations93
US7957184B2Jun 7, 2011
Magnetoresistive element and magnetoresistive random access memory including the same
TOSHIBA KK17 citations93
US7924607B2Apr 12, 2011
Magnetoresistance effect element and magnetoresistive random access memory using the same
TOSHIBA KK38 citations93
US7920361B2Apr 5, 2011
Magnetoresistive effect element with intermediate oxide layer containing boron and an element selected from Ca, Mg, Sr, Ba, Ti, and Sc
TOSHIBA KK23 citations93
US7897274B2Mar 1, 2011
Magnetoresistive device, magnetoresistive head and magnetic recording-reproducing apparatus
TOSHIBA KK19 citations93
US7375405B2May 20, 2008
Magnetoresistance effect element, magnetic head, and magnetic storage system using a giant magnetoresistance effect element
TOSHIBA KK14 citations93
US7218483B2May 15, 2007
Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus
TOSHIBA KK26 citations93
US7196877B2Mar 27, 2007
Magnetoresistive element, magnetoresistive head and magnetic reproducing apparatus
TOSHIBA KK48 citations93
US7190613B2Mar 13, 2007
Magnetic random access memory device having thermal agitation property and high write efficiency
TOSHIBA KK47 citations93
US7190558B2Mar 13, 2007
Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus
TOSHIBA KK31 citations93
US7071522B2Jul 4, 2006
Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
TOSHIBA KK25 citations93
US6724582B2Apr 20, 2004
Current perpendicular to plane type magnetoresistive device, magnetic head, and magnetic recording/reproducing apparatus
TOSHIBA KK25 citations93
US6307708B1Oct 23, 2001
Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same
TOSHIBA KK27 citations93
US7038893B2May 2, 2006
Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance
TOSHIBA KK25 citations92
US6754053B2Jun 22, 2004
Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
TOSHIBA KK34 citations92
US6741431B2May 25, 2004
Magnetic head and magnetic recording/reproduction device
TOSHIBA KK13 citations92
US6636390B2Oct 21, 2003
Magnetic head and magnetic recording and reproducing system
TOSHIBA KK32 citations92
US6606225B1Aug 12, 2003
Yoke-type magnetic head and device having a granular structure in which a non-magnetic and electrical insulating material surrounds magnetic particles
TOSHIBA KK14 citations92
YOSHIKAWA MASATOSHI
3 patentsUS8716818B2May 6, 2014
Magnetoresistive element and method of manufacturing the same
YOSHIKAWA MASATOSHI49 citations93
US8139405B2Mar 20, 2012
Magnetoresistive element and magnetoresistive random access memory including the same
YOSHIKAWA MASATOSHI13 citations92
US9570671B2Feb 14, 2017
Magnetic memory device
YOSHIKAWA MASATOSHI5 citations84
NAGASE TOSHIHIKO
2 patentsTOSHIBA MEMORY CORP
2 patentsKOBE STEEL LTD
1 patentKITAGAWA EIJI
1 patentTSUBATA SHUICHI
1 patentKAI TADASHI
1 patentOZEKI JYUNICHI
1 patentOMIKENSHI COMPANY LIMITED
1 patentShowing the top 50 of 121 patents by PatentIndex Score.