Inventor · disambiguated record
Oscar J. Ruiz
Also filed as: RUIZ OSCAR · RUIZ OSCAR J · RUIZ OSCAR JAIME
57 granted patents·3 pending applications·1,176 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
60 records- 0193US6539609B2Method of forming a head gimbal assemblyIBM·Filed 2001·Granted Apr 1, 2003·59 cites·5 claims
- 0292US11990164B1Tape head assembly with single beam, actuator and spring adaptorWESTERN DIGITAL TECH INC·Filed 2023·Granted May 21, 2024·3 cites·22 claims
- 0392US10468071B1Magnetic storage device with heat-assisted magnetic storage head and associated method of manufactureWESTERN DIGITAL TECH INC·Filed 2018·Granted Nov 5, 2019·18 cites·17 claims
- 0491US11532320B1Tape drive configured to enable magnetic media to fly above an upstream or a downstream head assemblyWESTERN DIGITAL TECH INC·Filed 2021·Granted Dec 20, 2022·3 cites·22 claims
- 0591US8456780B1Uncoupled piezoelectric milli-actuator assemblyRUIZ OSCAR·Filed 2012·Granted Jun 4, 2013·40 cites·18 claims
- 0691US5606477AViscoelastically damped slider suspension systemIBM·Filed 1995·Granted Feb 25, 1997·77 cites·15 claims
- 0791US5526205ATransducer suspension systemIBM·Filed 1994·Granted Jun 11, 1996·46 cites·23 claims
- 0890US11170814B1Heat treatment of NFT on heat-assisted magnetic recording deviceWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 9, 2021·3 cites·19 claims
- 0989US6215622B1Laminated hard disk head suspension and etching processIBM·Filed 1996·Granted Apr 10, 2001·69 cites·12 claims
- 1089US5717545ASwaging appartus with a tubular boss having axially extending surface irregularities and swaging technique for thin actuator arm assembliesIBM·Filed 1996·Granted Feb 10, 1998·60 cites·21 claims
- 1189US5570249ATransducer suspension systemIBM·Filed 1995·Granted Oct 29, 1996·51 cites·29 claims
- 1288US5539596AIntegrated suspension, actuator arm and coil assembly with common structural support layerIBM·Filed 1994·Granted Jul 23, 1996·41 cites·66 claims
- 1388US5495375AActuator arm assembly with self-locking armIBM·Filed 1994·Granted Feb 27, 1996·39 cites·26 claims
- 1487US5781379ASingle beam flexure for a head gimbal assemblyIBM·Filed 1997·Granted Jul 14, 1998·49 cites·25 claims
- 1587US5759418AAdhesively attached hard disk head suspension and etching processIBM·Filed 1996·Granted Jun 2, 1998·47 cites·34 claims
- 1686US7903375B2Proximity recording slider with high air bearing damping in and out of contactHITACHI GLOBAL STORAGE TECH NL·Filed 2006·Granted Mar 8, 2011·7 cites·18 claims
- 1786US5594607AViscoelastically damped slider suspension systemIBM·Filed 1995·Granted Jan 14, 1997·57 cites·11 claims
- 1885US8493688B2Head slider and hard disk driveAMBEKAR ROHIT P·Filed 2010·Granted Jul 23, 2013·12 cites·18 claims
- 1984US11495254B2Media non-contacting magnetic recording headWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 8, 2022·2 cites·15 claims
- 2084US5771135AVibration damping system for head suspension assembliesIBM·Filed 1996·Granted Jun 23, 1998·47 cites·34 claims
- 2184US5734524AHead suspension assembly supported by an air bearing surfaceIBM·Filed 1996·Granted Mar 31, 1998·42 cites·24 claims
- 2283US8094411B2Slider with pockets in front of air bearing surfaceHUANG WEIDONG·Filed 2008·Granted Jan 10, 2012·5 cites·20 claims
- 2383US2025391431A1Notched Head Design For Tape ApplicationsWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
- 2482US8279556B2Slider air bearing for disk drivesRUIZ OSCAR·Filed 2009·Granted Oct 2, 2012·6 cites·17 claims
- 2582US5680275AAdjustable solder bump spacer for slider-suspension attachmentIBM·Filed 1996·Granted Oct 21, 1997·37 cites·20 claims
- 2681US11676626B1Tape head having joined modulesWESTERN DIGITAL TECH INC·Filed 2022·Granted Jun 13, 2023·1 cites·23 claims
- 2780US5875071APlanar HGA for Pico/Nano sliderIBM·Filed 1997·Granted Feb 23, 1999·34 cites·2 claims
- 2879US8854764B2Multiple-sense thermo-resistive sensor for contact detection of read-write headsCHIU ANDREW·Filed 2011·Granted Oct 7, 2014·6 cites·20 claims
- 2979US5617274ALow profile integral flexure for closely packed disks in a disk drive assemblyIBM·Filed 1996·Granted Apr 1, 1997·31 cites·22 claims
- 3079US5570261ATransducer suspension systemIBM·Filed 1995·Granted Oct 29, 1996·37 cites·56 claims
- 3178US6333835B1Step pad air bearing for load/unload mechanismIBM·Filed 1999·Granted Dec 25, 2001·30 cites·25 claims
- 3277US6282064B1Head gimbal assembly with integrated electrical conductorsIBM·Filed 1996·Granted Aug 28, 2001·41 cites·10 claims
- 3376US8164860B1Servo write robust and good altitude performance ABSAMBEKAR ROHIT P·Filed 2010·Granted Apr 24, 2012·7 cites·20 claims
- 3475US12451157B2Reduction of high tape contact pressure points against head assemblyWESTERN DIGITAL TECH INC·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 3575US9922676B1Data storage device gradually decreasing laser power after write operationWESTERN DIGITAL TECH INC·Filed 2017·Granted Mar 20, 2018·3 cites·39 claims
- 3675US5955176AIntegrated suspension using a high strength conductive materialIBM·Filed 1997·Granted Sep 21, 1999·36 cites·19 claims
- 3772US6351348B1Minimal stiffness conductors for a head gimbal assemblyIBM·Filed 1996·Granted Feb 26, 2002·24 cites·16 claims
- 3870US12406689B2Notched head design for tape applicationsWESTERN DIGITAL TECH INC·Filed 2023·Granted Sep 2, 2025·0 cites·21 claims
- 3970US8797671B2Excitation of airbearing oscillation with tar nearfield device for touchdown detectionRUIZ OSCAR J·Filed 2012·Granted Aug 5, 2014·2 cites·15 claims
- 4069US12033674B2Reduction of high tape contact pressure points against head assemblyWESTERN DIGITAL TECH INC·Filed 2022·Granted Jul 9, 2024·0 cites·11 claims
- 4168US7593188B2Low protrusion compensation air bearingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 22, 2009·1 cites·13 claims
- 4268US7324306B2System, method, and apparatus for improving the multiple velocity performance and write element protrusion compensation of disk drive slidersHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 29, 2008·6 cites·16 claims
- 4368US7251106B2Magnetic head slider having protrusion-compensated air bearing surface designHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 31, 2007·6 cites·18 claims
- 4467US8270115B2Asymmetrical air bearing surface for a head slider in hard disk drivesRUIZ OSCAR J·Filed 2009·Granted Sep 18, 2012·1 cites·21 claims
- 4567US5768064AActuator arm assembly having a removable actuator armIBM·Filed 1997·Granted Jun 16, 1998·17 cites·32 claims
- 4665US5802701AMethod of making an integrated suspension, actuator arm and coil assemblyIBM·Filed 1996·Granted Sep 8, 1998·16 cites·23 claims
- 4764US5930080ATransducer suspension systemIBM·Filed 1997·Granted Jul 27, 1999·17 cites·6 claims
- 4862US11881230B2Heat treatment of NFT and surrounding materialWESTERN DIGITAL TECH INC·Filed 2021·Granted Jan 23, 2024·0 cites·19 claims
- 4962US8169743B2Minimizing slider vibration effects on a magnetic transducerKNIGGE BERNHARD·Filed 2007·Granted May 1, 2012·1 cites·21 claims
- 5055US11430480B2Data storage device rewinding tape so as to reduce tape distortionWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 30, 2022·0 cites·26 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →