Inventor · disambiguated record

Alexander Goncharov

Also filed as: GONCHAROV ALEXANDER · GONCHAROV ALEXANDER B

55 granted patents·11 pending applications·260 citations·filing 2014–2025

98Inventor score

Technology areasG11B B23K C22C C23C F05D

Files withWESTERN DIGITAL TECH INC51 LIBURDI ENGINEERING13 HGST Netherlands BV1 LIBURDU ENGINEERING LTD1

Top patents by PatentIndex Score

66 records

0199US10366714B1Magnetic write head for providing spin-torque-assisted write field enhancementWESTERN DIGITAL TECH INC·Filed 2017·Granted Jul 30, 2019·95 cites·21 claims
0298US11900971B1Magnetic recording head with assisting electric current in trailing shieldWESTERN DIGITAL TECH INC·Filed 2022·Granted Feb 13, 2024·10 cites·19 claims
0398US11881237B1Cross track current design for energy assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 23, 2024·9 cites·20 claims
0498US11869548B1Magnetic recording devices having external alternating current sourcesWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 9, 2024·9 cites·24 claims
0598US11508401B1Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancementsWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 22, 2022·13 cites·21 claims
0696US11894026B1Magnetic recording head having leads over the trailing shield for assisting electric currentsWESTERN DIGITAL TECH INC·Filed 2022·Granted Feb 6, 2024·6 cites·23 claims
0796US10762917B1Reversed mode spin torque oscillator with shaped field generation layerWESTERN DIGITAL TECH INC·Filed 2019·Granted Sep 1, 2020·20 cites·12 claims
0895US11257514B2Magnetic recording devices having negative polarization layer to enhance spin-transfer torqueWESTERN DIGITAL TECH INC·Filed 2020·Granted Feb 22, 2022·5 cites·21 claims
0995US11180840B2High gamma prime nickel based superalloy, its use, and method of manufacturing of turbine engine componentsLIBURDI ENGINEERING·Filed 2019·Granted Nov 23, 2021·5 cites·3 claims
1095US10388305B1Apparatus and method for writing to magnetic media using an AC bias current to enhance the write fieldWESTERN DIGITAL TECH INC·Filed 2018·Granted Aug 20, 2019·18 cites·20 claims
1194US11459640B2High gamma prime nickel based superalloy, its use, and method of manufacturing of turbine engine componentsLIBURDI ENGINEERING·Filed 2020·Granted Oct 4, 2022·3 cites·4 claims
1293US11011190B2Magnetic write head with write-field enhancement structure including a magnetic notchWESTERN DIGITAL TECH INC·Filed 2020·Granted May 18, 2021·5 cites·24 claims
1393US10839844B1Current-assisted magnetic recording write head with wide conductive element in the write gapWESTERN DIGITAL TECH INC·Filed 2019·Granted Nov 17, 2020·12 cites·20 claims
1492US11854584B1Current assisted HAMR magnetic writerWESTERN DIGITAL TECH INC·Filed 2022·Granted Dec 26, 2023·3 cites·20 claims
1590US10811039B2Magnetic write head for providing spin-torque-assisted write field enhancementWESTERN DIGITAL TECH INC·Filed 2020·Granted Oct 20, 2020·3 cites·36 claims
1687US12315538B2Magnetic recording head with assisting electric current in trailing shieldWESTERN DIGITAL TECH INC·Filed 2024·Granted May 27, 2025·1 cites·23 claims
1787US12057146B1Magnetic recording head with an SOT device coupled with side shieldWESTERN DIGITAL TECH INC·Filed 2023·Granted Aug 6, 2024·3 cites·18 claims
1886US11682421B2Tape head design having a null shield for same gap verifyWESTERN DIGITAL TECH INC·Filed 2021·Granted Jun 20, 2023·2 cites·23 claims
1986US10839832B1MAMR recording head with high damping trailing shield seed layerWESTERN DIGITAL TECH INC·Filed 2019·Granted Nov 17, 2020·5 cites·20 claims
2085US10643642B2Apparatus and method for writing to magnetic media using an AC bias current to enhance the write fieldWESTERN DIGITAL TECH INC·Filed 2019·Granted May 5, 2020·5 cites·23 claims
2185US10546603B2Magnetic write head for providing spin-torque-assisted write field enhancementWESTERN DIGITAL TECH INC·Filed 2019·Granted Jan 28, 2020·4 cites·20 claims
2285US9902021B2Precipitation strengthened nickel based welding material for fusion welding of superalloysLIBURDI ENGINEERING·Filed 2015·Granted Feb 27, 2018·2 cites·2 claims
2384US11211083B1MAMR head with synthetic antiferromagnetic (SAF) coupled notchWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 28, 2021·2 cites·21 claims
2483US11043233B2Magnetic write head with dual return pole and tapered main poleWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 22, 2021·2 cites·24 claims
2583US10414003B2Welding material for welding of superalloysLIBURDI ENGINEERING·Filed 2014·Granted Sep 17, 2019·2 cites·4 claims
2682US10706877B2Spin torque layer in side gap for improved field and cross track field gradientWESTERN DIGITAL TECH INC·Filed 2019·Granted Jul 7, 2020·4 cites·20 claims
2781US2025273235A1Magnetic Recording Head With Assisting Electric Current In Trailing ShieldWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
2880US2025316289A1Magnetic Recording Head with A Cross-Track Current Flow In A Low Resistance PathWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
2979US10384316B2Method of repairing and manufacturing of turbine engine components and turbine engine component repaired or manufactured using the sameLIBURDI ENGINEERING·Filed 2015·Granted Aug 20, 2019·3 cites·13 claims
3077US11646053B2Tape head design having same gap verify capabilitiesWESTERN DIGITAL TECH INC·Filed 2021·Granted May 9, 2023·1 cites·21 claims
3177US9183856B1System and method for integration of magnetic lip and near field transducer in heat assisted magnetic recording write headsHGST Netherlands BV·Filed 2014·Granted Nov 10, 2015·3 cites·19 claims
3276US10943616B2Current-assisted magnetic recording write head with wide conductive element in the write gapWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 9, 2021·1 cites·20 claims
3373US11913093B2High gamma prime nickel based welding materialLIBURDI ENGINEERING·Filed 2022·Granted Feb 27, 2024·0 cites·16 claims
3472US12380923B2Magnetic recording head with a cross-track current flow in a low resistance pathWESTERN DIGITAL TECH INC·Filed 2023·Granted Aug 5, 2025·0 cites·21 claims
3572US12249358B2Magnetic recording devices having external alternating current sourcesWESTERN DIGITAL TECH INC·Filed 2023·Granted Mar 11, 2025·0 cites·22 claims
3672US10957346B2Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulsesWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 23, 2021·1 cites·28 claims
3771US10997989B1Bilayer hot seed to reduce gap field for magnetic recording headsWESTERN DIGITAL TECH INC·Filed 2019·Granted May 4, 2021·2 cites·20 claims
3871US2025087235A1Spintronic Device Comprising Dual FGL and Dual SPL To Reduce Perpendicular Field At Writing LocationWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
3971US2025131942A1Dynamic DC Field Compensator for MAMR Recording HeadWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
4070US12205620B2Dynamic DC field compensator for MAMR recording headWESTERN DIGITAL TECH INC·Filed 2023·Granted Jan 21, 2025·0 cites·20 claims
4170US12190920B2Spintronic device comprising dual FGL and dual SPL to reduce perpendicular field at writing locationWESTERN DIGITAL TECH INC·Filed 2023·Granted Jan 7, 2025·0 cites·13 claims
4270US12190919B2Dual FGL and dual SPL spintronic device to reduce perpendicular field at writing locationWESTERN DIGITAL TECH INC·Filed 2023·Granted Jan 7, 2025·0 cites·17 claims
4370US2025087236A1Dual FGL and Dual SPL Spintronic Device To Reduce Perpendicular Field At Writing LocationWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
4466US11657836B2Magnetic recording devices having negative polarization layer to enhance spin-transfer torqueWESTERN DIGITAL TECH INC·Filed 2022·Granted May 23, 2023·0 cites·20 claims
4566US10636441B2Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting fieldWESTERN DIGITAL TECH INC·Filed 2019·Granted Apr 28, 2020·1 cites·17 claims
4665US2024124957A1High gamma prime nickel based welding material for repair and 3d additive manufacturing of turbine engine componentsLIBURDI ENGINEERING·Filed 2022·Application pending·0 cites
4763US12230298B2Method to enhance spin torque layer performance in a spintronic deviceWESTERN DIGITAL TECH INC·Filed 2023·Granted Feb 18, 2025·0 cites·22 claims
4863US2018133846A1Precipitation strengthened nickel based welding material for fusion welding of superalloysLIBURDI ENGINEERING·Filed 2018·Application pending·0 cites
4962US10891977B1MAMR recording head with high damping trailing shield seed layerWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 12, 2021·0 cites·20 claims
5061US12094498B1Recording head with a multilayer spin torque element having positive and negative beta materialsWESTERN DIGITAL TECH INC·Filed 2023·Granted Sep 17, 2024·0 cites·20 claims

Showing the top 50 of 66 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →