Inventor · disambiguated record

Joey M. Poss

Also filed as: POSS JOEY M · POSS JOEY MARTIN

48 granted patents·1 pending application·322 citations·filing 1987–2025

97Inventor score

Technology areasG11B H03F G01K G11C H01S

Files withWESTERN DIGITAL TECH INC36 HITACHI GLOBAL STORAGE TECH5 HGST Netherlands BV4 IBM3 POSS JOEY MARTIN1

Top patents by PatentIndex Score

49 records

0197US5233482AThermal asperity compensation for PRML data detectionIBM·Filed 1991·Granted Aug 3, 1993·130 cites·17 claims
0296US11735210B2Preamplifier with read/write power channelsWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 22, 2023·6 cites·20 claims
0395US10424323B1High-bandwidth STO bias architecture with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 24, 2019·13 cites·20 claims
0494US11200912B1Data storage device with servo field dependent write boostWESTERN DIGITAL TECH INC·Filed 2021·Granted Dec 14, 2021·6 cites·20 claims
0593US11874182B1Alternating-bias signal resistance detection for resistive temperature detectors in disk drivesWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 16, 2024·1 cites·24 claims
0692US11694712B2Data storage device pre-biasing write current for energy assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jul 4, 2023·3 cites·14 claims
0791US7123429B2Method and apparatus for providing write pre-compensation using a read timing pathHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Oct 17, 2006·34 cites·27 claims
0891US6396358B1Dual-control ring voltage controlled oscillatorIBM·Filed 2001·Granted May 28, 2002·50 cites·14 claims
0990US12190924B1Laser mode hop compensation using multi-sector feedback in heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2024·Granted Jan 7, 2025·2 cites·25 claims
1090US11404079B1Data storage device writing to defective data sector for fly height controlWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 2, 2022·3 cites·18 claims
1190US11087784B2Data storage devices with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2020·Granted Aug 10, 2021·3 cites·20 claims
1290US10891973B2High-bandwidth STO bias architecture with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 12, 2021·3 cites·20 claims
1386US11990161B2Data storage device pre-biasing write current for energy assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2023·Granted May 21, 2024·1 cites·20 claims
1485US7123430B2Method and apparatus for providing write pre-compensation using a read timing pathHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 17, 2006·6 cites·3 claims
1584US8988829B1Disk drive with preamplifier for multiple readers in a slider with a common return signalHGST Netherlands BV·Filed 2014·Granted Mar 24, 2015·6 cites·16 claims
1683US11615804B1Disk drive biasing two write assist elements using three terminal control circuitryWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 28, 2023·2 cites·15 claims
1781US10629229B2High-bandwidth STO bias architecture with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2019·Granted Apr 21, 2020·3 cites·19 claims
1877US12142896B2Preheating laser diodes with reverse bias for HAMR disk drivesWESTERN DIGITAL TECH INC·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
1977US11295764B1Data storage device transmitting configuration data to a preamp circuit over a read lineWESTERN DIGITAL TECH INC·Filed 2021·Granted Apr 5, 2022·1 cites·20 claims
2076US9153248B1Hard disk drive preamplifier with write driver having bypass current sources for compensation of write head magnetic asymmetryHGST Netherlands BV·Filed 2015·Granted Oct 6, 2015·4 cites·11 claims
2174US12347465B2Differential sense of embedded contact sensor (ECS) and near-field temperature sensor (NTS) utilizing chopping amplifierWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 1, 2025·0 cites·26 claims
2274US10056098B1Data storage device employing multi-mode sensing circuitry for multiple head sensor elementsWESTERN DIGITAL TECH INC·Filed 2017·Granted Aug 21, 2018·3 cites·20 claims
2373US12140485B2Alternating-bias signal resistance detection for resistive temperature detectors in disk drivesWESTERN DIGITAL TECH INC·Filed 2023·Granted Nov 12, 2024·0 cites·14 claims
2471US8724244B1Efficient rotational parameter control for hard disk driveHGST Netherlands BV·Filed 2012·Granted May 13, 2014·4 cites·20 claims
2571US7027245B2Apparatus for providing head amplitude characterization using gain loopsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 11, 2006·9 cites·20 claims
2668US9165596B1Magnetic recording disk drive with multiple preamplifiers and common transmission line with impedance compensationHGST Netherlands BV·Filed 2015·Granted Oct 20, 2015·3 cites·19 claims
2766US4853802ASingle stage feedforward equalizerIBM·Filed 1987·Granted Aug 1, 1989·15 cites·7 claims
2865US10566014B2Data storage device detecting resistance delta of a spin torque oscillatorWESTERN DIGITAL TECH INC·Filed 2019·Granted Feb 18, 2020·1 cites·20 claims
2964US11276424B2Data storage devices with integrated slider voltage potential controlWESTERN DIGITAL TECH INC·Filed 2021·Granted Mar 15, 2022·0 cites·20 claims
3063US12347467B2DC and synchronized energy assisted perpendicular magnetic recording (EPMR) driver circuit for hard disk drive (HDD)WESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 1, 2025·0 cites·22 claims
3163US12125509B1Dark laser heating by positive pulse biasing in heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2023·Granted Oct 22, 2024·0 cites·20 claims
3263US7027243B2Apparatus for providing head amplitude characterizationHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 11, 2006·5 cites·24 claims
3363US2025308548A1Laser heater feedback control in heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
3462US12394435B1Interleaved servo patterns in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2024·Granted Aug 19, 2025·0 cites·20 claims
3562US11361786B1Data storage device employing amplifier feedback for impedance matchingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jun 14, 2022·0 cites·22 claims
3661US12347453B1Wedge repeatable runout correction for interleaved servo patterns in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 1, 2025·0 cites·20 claims
3761US12183372B2System controlled RF signal source architecture with transducer near pole-tip for microwave assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2023·Granted Dec 31, 2024·0 cites·19 claims
3860US10825474B2Data storage device reverse biasing head element to counter electro-migrationWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 3, 2020·0 cites·18 claims
3958US7002764B2Method and apparatus for providing generalized write pre-compensationHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 21, 2006·5 cites·34 claims
4057US12361968B1Servo interface circuitry for parallel self-servo writeWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 15, 2025·0 cites·21 claims
4155US12347472B1Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 1, 2025·0 cites·22 claims
4254US10566018B2Data storage device reverse biasing head element to counter electro-migrationWESTERN DIGITAL TECH INC·Filed 2019·Granted Feb 18, 2020·0 cites·20 claims
4353US12354632B1Parallel self-servo write in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 8, 2025·0 cites·22 claims
4452US12361970B1Parallel self-servo write circuitry in a data storage deviceWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
4551US11961542B2Continuous dual path resistance detection for resistive temperature detectors in disk drivesWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 16, 2024·0 cites·23 claims
4650US12361965B1Preamplifier circuit for parallel self-servo writeWESTERN DIGITAL TECH INC·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
4750US11482247B2Data storage device with history dependent write boostWESTERN DIGITAL TECH INC·Filed 2021·Granted Oct 25, 2022·0 cites·20 claims
4847US10459479B2Data storage device calibrating preamp clock using system clockWESTERN DIGITAL TECH INC·Filed 2018·Granted Oct 29, 2019·0 cites·16 claims
4934US8611036B2Disk drive with head thermal fly-height actuator and controller for compensation of write head expansionPOSS JOEY MARTIN·Filed 2012·Granted Dec 17, 2013·0 cites·9 claims

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