Inventor · disambiguated record
Masashige Sato
Also filed as: SATO MASASHIGE
38 granted patents·16 pending applications·824 citations·filing 1997–2025
98Inventor score
Top patents by PatentIndex Score
54 records- 0198US10037772B2Low magnetic flux density interface layer for spin torque oscillatorWESTERN DIGITAL TECH INC·Filed 2017·Granted Jul 31, 2018·33 cites·20 claims
- 0298US6124711AMagnetic sensor using tunnel resistance to detect an external magnetic fieldFUJITSU LTD·Filed 1997·Granted Sep 26, 2000·188 cites·6 claims
- 0397US9311934B1Symmetrical STO for oscillation with both polarity biasHGST Netherlands BV·Filed 2015·Granted Apr 12, 2016·33 cites·20 claims
- 0496US9805746B1Low magnetic flux density interface layer for spin torque oscillatorHGST Netherlands BV·Filed 2016·Granted Oct 31, 2017·19 cites·22 claims
- 0596US5986858AFerromagnetic tunnel-junction magnetic sensor utilizing a barrier layer having a metal layer carrying an oxide filmFUJITSU LTD·Filed 1998·Granted Nov 16, 1999·131 cites·15 claims
- 0695US9064508B1Pile spin-torque oscillator with AF-mode oscillation for generating high AC-field in microwave-assisted magnetic recordingHGST Netherlands BV·Filed 2014·Granted Jun 23, 2015·58 cites·13 claims
- 0794US9230569B1Low Bs spin-polarizer for spin torque oscillatorHGST Netherlands BV·Filed 2014·Granted Jan 5, 2016·30 cites·20 claims
- 0893US9728210B2Texture-control layer for spin torque oscillatorHGST Netherlands BV·Filed 2015·Granted Aug 8, 2017·13 cites·20 claims
- 0993US9099107B1Stabilizing layer for a spin torque oscillator (STO)HGST Netherlands BV·Filed 2015·Granted Aug 4, 2015·22 cites·20 claims
- 1093US7382643B2Magnetoresistive effect element and magnetic memory deviceFUJITSU LTD·Filed 2006·Granted Jun 3, 2008·41 cites·12 claims
- 1192US9378759B2Spin torque oscillator with low magnetic moment and high perpendicular magnetic anisotropy materialHGST Netherlands BV·Filed 2014·Granted Jun 28, 2016·17 cites·23 claims
- 1292US7466526B2Ferromagnetic tunnel junction, magnetic head using the same, magnetic recording device, and magnetic memory deviceFUJITSU LTD·Filed 2005·Granted Dec 16, 2008·17 cites·9 claims
- 1391US8514527B2Magnetoresistive effect head having a multilayered pinned layer and/or free layer having amorphous and crystalline layers, and systems thereofKOMAGAKI KOJIRO·Filed 2010·Granted Aug 20, 2013·29 cites·19 claims
- 1489US9305574B1Negative-polarization spin-torque-oscillatorHGST Netherlands BV·Filed 2014·Granted Apr 5, 2016·10 cites·12 claims
- 1586US6903400B2Magnetoresistive memory apparatusFUJITSU LTD·Filed 2004·Granted Jun 7, 2005·44 cites·8 claims
- 1679US6110751ATunnel junction structure and its manufacture and magnetic sensorFUJITSU LTD·Filed 1998·Granted Aug 29, 2000·42 cites·14 claims
- 1778US8194362B2Magnetoresistive effect device including a nitride underlayer, an antiferromagnetic layer, a first ferromagnetic layer, a nonmagnetic layer and a second ferromagnetic layer which are multilayered in this order on a substrate, magnetic head including the same magnetoresistive effect device, and information storage apparatus including the same magnetic headIBUSUKI TAKAHIRO·Filed 2010·Granted Jun 5, 2012·5 cites·10 claims
- 1877US8976493B1Magnetic read sensor with novel pinned layer and side shield design for improved data track resolution and magnetic pinning robustnessHGST Netherlands BV·Filed 2013·Granted Mar 10, 2015·4 cites·21 claims
- 1976US9437222B1Spin torque oscillator with high spin torque efficiency and reliabilityHGST Netherlands BV·Filed 2015·Granted Sep 6, 2016·4 cites·13 claims
- 2076US8072714B2Tunneling magnetoresistance (TMR) device, its manufacture method, magnetic head and magnetic memory using TMR deviceSATO MASASHIGE·Filed 2011·Granted Dec 6, 2011·6 cites·6 claims
- 2175US7535755B2Magnetic memory device and method for fabricating the sameFUJITSU LTD·Filed 2006·Granted May 19, 2009·5 cites·11 claims
- 2273US8081404B2Magnetoresistive element including an amorphous reference layer, a crystal layer, and a pinned layerIBUSUKI TAKAHIRO·Filed 2009·Granted Dec 20, 2011·5 cites·7 claims
- 2371US9336797B2Extended spin torque oscillatorHGST Netherlands BV·Filed 2014·Granted May 10, 2016·2 cites·20 claims
- 2470US9858952B1Microwave assisted magnetic recording head having spin torque oscillator frequency detectionHGST Netherlands BV·Filed 2016·Granted Jan 2, 2018·2 cites·20 claims
- 2570US7199985B1Magnetic sensor, magnetic head, magnetic encoder and hard disk deviceFUJITSU LTD·Filed 2000·Granted Apr 3, 2007·14 cites·19 claims
- 2669US6741434B1Magnetic sensor and production method thereof, ferromagnetic tunnel junction element, and magnetic headFUJITSU LTD·Filed 2000·Granted May 25, 2004·11 cites·17 claims
- 2766US8570691B2TMR sensor film using a tantalum insertion layer and systems thereofSATO MASASHIGE·Filed 2011·Granted Oct 29, 2013·3 cites·14 claims
- 2866US8184407B2Magnetoresistance effect device, magnetic lamination structural body, and manufacture method for magnetic lamination structural bodyIBUSUKI TAKAHIRO·Filed 2008·Granted May 22, 2012·1 cites·15 claims
- 2963US11539185B2Laser apparatusDENSO CORP·Filed 2021·Granted Dec 27, 2022·0 cites·14 claims
- 3063US7050268B2Disk drive with read IC chip and write IC chip mounted respectively on suspension and armFUJITSU LTD·Filed 2003·Granted May 23, 2006·4 cites·4 claims
- 3163US2024085539A1Lidar deviceDENSO CORP·Filed 2023·Application pending·0 cites
- 3262US12498480B2Distance measuring deviceDENSO CORP·Filed 2022·Granted Dec 16, 2025·0 cites·11 claims
- 3361US2025284150A1Optical phase shifterDENSO CORP·Filed 2025·Application pending·0 cites
- 3460US6165287AFerromagnetic tunnel-junction magnetic sensorFUJITSU LTD·Filed 1999·Granted Dec 26, 2000·18 cites·7 claims
- 3558US2023033127A1Measurement system, measurement method, and non transitory computer readable storage mediumDENSO CORP·Filed 2022·Application pending·0 cites
- 3658US2025264582A1Distance measuring deviceDENSO CORP·Filed 2025·Application pending·0 cites
- 3758US2025277934A1Optical waveguide structureDENSO CORP·Filed 2025·Application pending·0 cites
- 3855US12436414B2Optical phase modulatorDENSO CORP·Filed 2023·Granted Oct 7, 2025·0 cites·7 claims
- 3954US2010159283A1Magnetic storage medium, manufacturing method of magnetic storage medium, and information storage deviceSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 4053US11881677B2Laser light sourceDENSO CORP·Filed 2021·Granted Jan 23, 2024·0 cites·17 claims
- 4153US6404672B2Magnetic element and magnetic memory deviceFUJITSU LTD·Filed 2000·Granted Jun 11, 2002·7 cites·12 claims
- 4252US9990943B2Texture-control layer for spin torque oscillatorWESTERN DIGITAL TECH INC·Filed 2017·Granted Jun 5, 2018·0 cites·19 claims
- 4348US2009244790A1Magnetoresistive element and layered objectFUJITSU LTD·Filed 2009·Application pending·0 cites
- 4447US2009097170A1Ferromagnetic tunnel junction element, magnetic recording device and magnetic memory deviceFUJITSU LTD·Filed 2008·Application pending·0 cites
- 4544US2008070063A1Exchange coupling film and magnetic deviceFUJITSU LTD·Filed 2007·Application pending·0 cites
- 4644US2005207071A1Magnetosensitive device and method of manufacturing the sameFUJITSU LTD·Filed 2005·Application pending·0 cites
- 4743US2007277910A1Manufacturing method of tunnel magnetoresistance element and manufacturing method of nonvolatile memory deviceFUJITSU LTD·Filed 2006·Application pending·0 cites
- 4842US2006220084A1Magnetoresistive effect element and method for fabricating the sameFUJITSU LTD·Filed 2005·Application pending·0 cites
- 4941US7221547B2Magnetoresistive effect element, a magnetic head, and a magnetic reproducing apparatus therewithFUJITSU LTD·Filed 2003·Granted May 22, 2007·1 cites·10 claims
- 5039US2008112093A1Tunneling magnetoresistance (TMR) device, its manufacture method, magnetic head and magnetic memory using TMR deviceFUJITSU LTD·Filed 2007·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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