Inventor · disambiguated record
Mingzhong Ding
Also filed as: DING MINGZHONG
43 granted patents·5 pending applications·509 citations·filing 1999–2022
98Inventor score
Top patents by PatentIndex Score
48 records- 0195US7405893B2Data storage medium with optimized servo formatSEAGATE TECHNOLOGY LLC·Filed 2005·Granted Jul 29, 2008·35 cites·20 claims
- 0295US6654198B2Repeatable run-out error compensation method for a disc driveSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Nov 25, 2003·60 cites·16 claims
- 0394US9495988B1Dependent write fault thresholdSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Nov 15, 2016·17 cites·14 claims
- 0494US7319570B2Random vibration and shock compensator using a disturbance observerSEAGATE TECHNOLOGY LLC·Filed 2005·Granted Jan 15, 2008·44 cites·19 claims
- 0591US6690534B2Method and apparatus for handling multiple resonance frequencies in disc drives using active dampingSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Feb 10, 2004·38 cites·24 claims
- 0687US9236073B1Write fault threshold for a set of tracksSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Jan 12, 2016·8 cites·20 claims
- 0787US7054094B2Real-time automatic loop-shaping for a disc drive servo control systemSEAGATE TECHNOLOGY LLC·Filed 2001·Granted May 30, 2006·25 cites·26 claims
- 0886US7760456B2Data protection based on system vibration modesSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Jul 20, 2010·7 cites·20 claims
- 0986US7576939B2Discontinuous mode back EMF measurementSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Aug 18, 2009·7 cites·17 claims
- 1086US6859341B2Method and apparatus for feedforward repeatable runout compensation in a selected frequency rangeSEAGATE TECHNOLOGY LLC·Filed 2003·Granted Feb 22, 2005·21 cites·28 claims
- 1185US8467144B2Determining microactuator failure in a multi-stage tracking systemLIM KANG HAI·Filed 2011·Granted Jun 18, 2013·13 cites·20 claims
- 1284US7596795B2Vibration compensation based on identification of vibration frequencySEAGATE TECHNOLOGY LLC·Filed 2007·Granted Sep 29, 2009·8 cites·12 claims
- 1384US6762571B2Sinusoidal feed-forward seek with adaptive acoustic level constraintSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Jul 13, 2004·18 cites·11 claims
- 1484US6574067B2Optimally designed parsimonious repetitive learning compensator for hard disc drives having high track densitySEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jun 3, 2003·18 cites·20 claims
- 1583US7595957B2Servo gain adjustment based on bias force errorSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Sep 29, 2009·5 cites·15 claims
- 1683US7133227B2Head polarity detection algorithm and apparatusSEAGATE TECHNOLOGY LLC·Filed 2004·Granted Nov 7, 2006·19 cites·16 claims
- 1783US6704159B2Automatic acoustic management system for a disc driveSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Mar 9, 2004·18 cites·17 claims
- 1882US9858955B1Disturbance compensation for dual-stage servo system using vibration sensorSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Jan 2, 2018·6 cites·18 claims
- 1982US7199964B2Adaptive voltage-mode controller for a voice coil motorSEAGATE TECHNOLOGY LLC·Filed 2005·Granted Apr 3, 2007·5 cites·20 claims
- 2081US9520149B1Direct current magnetoresistive jog offset compensationSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Dec 13, 2016·4 cites·20 claims
- 2178US8069384B2Scanning reassigned data storage locationsWEI BO·Filed 2009·Granted Nov 29, 2011·3 cites·12 claims
- 2278US6674589B2Method for harmonic frequency identification in a disc driveSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jan 6, 2004·13 cites·20 claims
- 2376US6674604B1AC unlatch using grey code detection with zone partitioningSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jan 6, 2004·13 cites·20 claims
- 2476US6487035B1Method and apparatus for adaptive feedforward cancellationSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Nov 26, 2002·27 cites·15 claims
- 2575US9117471B1AC MR-offset compensationSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Aug 25, 2015·3 cites·19 claims
- 2675US6731444B2Head-disc assembly with embedded product identification codeSEAGATE TECHNOLOGY LLC·Filed 2001·Granted May 4, 2004·13 cites·21 claims
- 2775US6710965B2Phase-advanced filter for robust resonance cancellationSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Mar 23, 2004·10 cites·19 claims
- 2875US6636375B1Seek in a disc drive with nonlinear pivot frictionSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 21, 2003·11 cites·16 claims
- 2974US6995946B2Temperature compensation of seek profiles in data storage devicesSEAGATE TECHNOLOGY LLC·Filed 2003·Granted Feb 7, 2006·10 cites·27 claims
- 3071US7627778B2Prediction-based data reassignmentSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Dec 1, 2009·6 cites·18 claims
- 3166US10068600B2Direct current magnetoresistive jog offset compensationSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Sep 4, 2018·1 cites·20 claims
- 3266US7242546B2Determining a location based on a cyclic bit sequence containing consecutively-placed identical bit-groupsSEAGATE TECHNOLOGY LLC·Filed 2003·Granted Jul 10, 2007·6 cites·24 claims
- 3366US6324890B1Method of characterizing and screening voice coil motor pivot friction in a low velocity regionSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 4, 2001·6 cites·16 claims
- 3463US7170249B2Electrical phase compensation in BEMF spindle motor controlSEAGATE TECHNOLOGY LLC·Filed 2005·Granted Jan 30, 2007·5 cites·20 claims
- 3563US6687065B2Resonance screen with varying frequency and controllable gain boosterSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Feb 3, 2004·6 cites·12 claims
- 3652US9837111B1Direct current magnetoresistive jog offset compensationSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Dec 5, 2017·0 cites·20 claims
- 3750US10176843B2Detection of z-axis non-operation shockSEAGATE TECHNOLOGY LLC·Filed 2018·Granted Jan 8, 2019·0 cites·20 claims
- 3849US9916858B1Detection of Z-axis non-operation shockSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Mar 13, 2018·0 cites·20 claims
- 3945US8702073B2Shock absorber capable of damping vibrationLIM JUIJING·Filed 2007·Granted Apr 22, 2014·0 cites·13 claims
- 4044US11790947B1Idle power saving for actuator deviceSEAGATE TECHNOLOGY LLC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 4142US10090009B2Vibration compensation using disk locked clock errorSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Oct 2, 2018·0 cites·20 claims
- 4241US8635491B2Storage device maintenance in a portable device based on a power eventDING MINGZHONG·Filed 2007·Granted Jan 21, 2014·0 cites·17 claims
- 4340US9111560B1Dynamic configuration of seek recovery in a disk driveSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Aug 18, 2015·0 cites·20 claims
- 4440US2005034539A1Motor torque variation compensationFiled 2004·Application pending·0 cites
- 4538US2012044593A1Temperature induced head skewXIAO YONG·Filed 2010·Application pending·0 cites
- 4638US2002039246A1Variable TPI data recording in hard disc drivesFiled 2001·Application pending·0 cites
- 4738US2004245950A1Electrical phase compensation in BEMF spindle motor controlFiled 2003·Application pending·0 cites
- 4837US2001036026A1Efficient sensorless rotational vibration and shock compensator for hard disk drives with higher TPISEAGATE TECHNOLOGY LLC·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →