Inventor · disambiguated record
Kuok San Ho
Also filed as: HO KUOK S · HO KUOK SAN · HO KUOK TOU
110 granted patents·18 pending applications·1,742 citations·filing 2001–2025
99Inventor score
Files withWESTERN DIGITAL TECH INC62HITACHI GLOBAL STORAGE TECH36IBM8HGST Netherlands BV6Aurora Micro Devices LLC3
Top patents by PatentIndex Score
128 records- 0198US11532323B1BiSbX (012) layers having increased operating temperatures for SOT and MRAM devicesWESTERN DIGITAL TECH INC·Filed 2021·Granted Dec 20, 2022·21 cites·32 claims
- 0298US11222656B1Method to reduce baseline shift for a SOT differential readerWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 11, 2022·24 cites·20 claims
- 0398US11100946B1SOT differential reader and method of making sameWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 24, 2021·23 cites·21 claims
- 0498US11094338B1SOT film stack for differential readerWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 17, 2021·27 cites·20 claims
- 0598US11049513B1Magnetic recording head with non-magnetic conductive structure surrounding a main pole and contacting a spin torque oscillatorWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 29, 2021·15 cites·18 claims
- 0698US8630068B1Method and system for providing a side shielded read transducerMAURI DANIELE·Filed 2011·Granted Jan 14, 2014·176 cites·31 claims
- 0798US8203800B2Servo design in data storage mediaLI SHAOPING·Filed 2009·Granted Jun 19, 2012·150 cites·21 claims
- 0897US11489108B2BiSb topological insulator with seed layer or interlayer to prevent sb diffusion and promote BiSb (012) orientationWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 1, 2022·6 cites·27 claims
- 0997US9947347B1Magnetic sensor using inverse spin hall effectWESTERN DIGITAL TECH INC·Filed 2016·Granted Apr 17, 2018·34 cites·28 claims
- 1097US8675318B1Method and system for providing a read transducer having a reduced shield-to-shield spacingHO KUOK SAN·Filed 2011·Granted Mar 18, 2014·187 cites·20 claims
- 1197US8611054B1Antiferromagnetically-coupled soft bias magnetoresistive read head, and fabrication method thereforeSHANG CHANGHE·Filed 2012·Granted Dec 17, 2013·161 cites·25 claims
- 1296US11783853B1Topological insulator based spin torque oscillator readerWESTERN DIGITAL TECH INC·Filed 2022·Granted Oct 10, 2023·5 cites·27 claims
- 1396US11212447B1Optical devices for tilt in camera systemsWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 28, 2021·5 cites·20 claims
- 1496US10891976B1Areal density capability improvement with a main pole skinWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 12, 2021·8 cites·20 claims
- 1596US7580230B2Magnetoresistive sensor having shape enhanced pinning, a flux guide structure and damage free virtual edgesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 25, 2009·25 cites·5 claims
- 1696US7522391B2Current perpendicular to plane magnetoresistive sensor having a shape enhanced pinned layer and an in stack bias structureHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 21, 2009·32 cites·21 claims
- 1796US7369371B2Magnetoresistive sensor having a shape enhanced pinned layerHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 6, 2008·28 cites·21 claims
- 1896US6847510B2Magnetic tunnel junction device with bottom free layer and improved underlayerHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Jan 25, 2005·66 cites·19 claims
- 1996US6680832B2CPP magnetoresistive sensors with in-stack longitudinal biasing and overlapping magnetic shieldIBM·Filed 2001·Granted Jan 20, 2004·72 cites·9 claims
- 2095US11172131B1Optical devices for tilt in camera systemsWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 9, 2021·5 cites·17 claims
- 2195US10424323B1High-bandwidth STO bias architecture with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 24, 2019·13 cites·20 claims
- 2295US10388305B1Apparatus 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
- 2394US11532325B1Two-dimensional magnetic recording (TDMR) for high areal density tape driveWESTERN DIGITAL TECH INC·Filed 2021·Granted Dec 20, 2022·5 cites·20 claims
- 2494US10650847B2Spin-orbit torque induced magnetization switching in a magnetic recording headWESTERN DIGITAL TECH INC·Filed 2019·Granted May 12, 2020·11 cites·20 claims
- 2593US11670329B1Two-dimensional magnetic recording (TDMR) to counter tape dimensional stability (TDS) errors in a tape mediaWESTERN DIGITAL TECH INC·Filed 2021·Granted Jun 6, 2023·4 cites·21 claims
- 2693US7161773B2High linear density tunnel junction flux guide read head with in-stack longitudinal bias stack (LBS)HITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 9, 2007·22 cites·2 claims
- 2792US9001473B1TMR/CPP reader for narrow reader gap applicationHGST Netherlands BV·Filed 2014·Granted Apr 7, 2015·17 cites·20 claims
- 2892US6671139B2In-stack longitudinal bias structure for CIP spin valve sensors with bias layer electrically insulated from free layerIBM·Filed 2002·Granted Dec 30, 2003·43 cites·18 claims
- 2992US6657825B2Self aligned magnetoresistive flux guide read head with exchange bias underneath free layerIBM·Filed 2001·Granted Dec 2, 2003·28 cites·20 claims
- 3092US6631055B2Tunnel valve flux guide structure formed by oxidation of pinned layerIBM·Filed 2001·Granted Oct 7, 2003·34 cites·29 claims
- 3191US9269382B1Method and system for providing a read transducer having improved pinning of the pinned layer at higher recording densitiesWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Feb 23, 2016·13 cites·18 claims
- 3291US7369374B2Current in plane magnetoresistive sensor having a contiguous hard bias layer located at back edge of stripe heightHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 6, 2008·11 cites·11 claims
- 3390US11087784B2Data storage devices with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 10, 2021·3 cites·20 claims
- 3490US10891973B2High-bandwidth STO bias architecture with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 12, 2021·3 cites·20 claims
- 3590US7469465B2Method of providing a low-stress sensor configuration for a lithography-defined read sensorHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 30, 2008·26 cites·15 claims
- 3690US7333304B2CPP sensor having hard bias stabilization placed at back edge of the stripeHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 19, 2008·29 cites·20 claims
- 3789US11763973B2Buffer layers and interlayers that promote BiSbx (012) alloy orientation for SOT and MRAM devicesWESTERN DIGITAL TECH INC·Filed 2021·Granted Sep 19, 2023·1 cites·32 claims
- 3889US11205446B1Spin-orbit torque induced magnetization switching in a magnetic recording headWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 21, 2021·3 cites·20 claims
- 3989US7663846B2Magnetoresistive sensor having an enhanced lead overlay design and shape enhanced pinningHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 16, 2010·17 cites·34 claims
- 4089US7420787B2Magnetoresistive sensor having a shape enhanced pinned layerHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 2, 2008·17 cites·8 claims
- 4189US7253991B2Planar perpendicular recording headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Aug 7, 2007·25 cites·11 claims
- 4289US7036208B2Self aligned magnetoresistive flux guide read head with exchange bias underneath free layerHITACHI GLOBAL STORAGETECHNOLO·Filed 2003·Granted May 2, 2006·23 cites·7 claims
- 4388US11277566B2Optical devices for independent movement control of lenses and image sensors in camera systemsWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 15, 2022·2 cites·24 claims
- 4488US6754056B2Read head having a tunnel junction sensor with a free layer biased by exchange coupling with insulating antiferromagnetic (AFM) layersIBM·Filed 2002·Granted Jun 22, 2004·33 cites·14 claims
- 4587US11646054B2Tape head design having an antiferromagnetic coupling (AFC) null shield for same gap verifyWESTERN DIGITAL TECH INC·Filed 2021·Granted May 9, 2023·2 cites·21 claims
- 4687US9513349B2Scissor type magnetic sensor with high magnetic moment bias structure for reduced signal asymmetryHGST Netherlands BV·Filed 2014·Granted Dec 6, 2016·8 cites·16 claims
- 4787US9007729B1Reader sensor having a recessed antiferromagnetic (AFM) pinning layerHGST Netherlands BV·Filed 2014·Granted Apr 14, 2015·8 cites·20 claims
- 4887US7324313B2Read sensor having an in-stack biasing structure and an AP coupled free layer structure for increased magnetic stabilityHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 29, 2008·20 cites·39 claims
- 4986US7072156B2Method for biasing magnetoresistive sensor with decoupled hard bias multilayersHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jul 4, 2006·19 cites·7 claims
- 5086US6757144B2Flux guide read head with in stack biased current perpendicular to the planes (CPP) sensorIBM·Filed 2002·Granted Jun 29, 2004·23 cites·25 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →