Inventor · disambiguated record
Jiangang Liang
Also filed as: LIANG JIANGANG
26 granted patents·1,242 citations·filing 2007–2023
97Inventor score
Files withTOSHIBA KK12LIANG JIANGANG6WESTERN DIGITAL TECH INC5GUANGZHOU AUTOMOBILE GROUP CO1ZHAO HONGCHAO T1
Top patents by PatentIndex Score
26 records- 0198US8687312B1Edge detection for disk drivesLIANG JIANGANG·Filed 2010·Granted Apr 1, 2014·108 cites·17 claims
- 0298US7852592B1Spiral slope approximation of spiral patterns written to a disk of a disk driveWESTERN DIGITAL TECH INC·Filed 2008·Granted Dec 14, 2010·118 cites·20 claims
- 0398US7746592B1Disk drive detecting defective spiral servo trackWESTERN DIGITAL TECH INC·Filed 2009·Granted Jun 29, 2010·113 cites·16 claims
- 0498US7656604B1Disk drive demodulating a spiral track by finding a maximum correlation between a spiral track crossing signal and a time-shifted nominal spiral track crossing signalWESTERN DIGITAL TECH INC·Filed 2007·Granted Feb 2, 2010·125 cites·23 claims
- 0598US7630162B2Disk drive servoing off of first head while determining fly height for second headWESTERN DIGITAL TECH INC·Filed 2008·Granted Dec 8, 2009·123 cites·21 claims
- 0697US8724253B1Disk drive adjusting demodulation window for spiral track using timing feed-forward compensationLIANG JIANGANG·Filed 2012·Granted May 13, 2014·98 cites·26 claims
- 0797US8670206B1Disk drive estimating repeatable runout of reference pattern based on repeatable runout of phase errorLIANG JIANGANG·Filed 2012·Granted Mar 11, 2014·109 cites·16 claims
- 0897US8537486B2Disk drive writing spiral tracks on a slave surface using repeatable runout compensation for a master surfaceLIANG JIANGANG·Filed 2011·Granted Sep 17, 2013·122 cites·16 claims
- 0996US11942122B1Determining absolute position on HDD spiral patterns using dual TDMR readersTOSHIBA KK·Filed 2023·Granted Mar 26, 2024·6 cites·20 claims
- 1095US8780473B1Disk drive selecting a global digital-to-analog setting for a plurality of headsZHAO HONGCHAO T·Filed 2009·Granted Jul 15, 2014·75 cites·3 claims
- 1195US8749904B1Disk drive compensating for track squeeze by writing non-circular servo tracksLIANG JIANGANG·Filed 2012·Granted Jun 10, 2014·99 cites·22 claims
- 1295US8665546B1Adaptive threshold for detecting touchdown or contaminationZHAO HONGCHAO TIM·Filed 2010·Granted Mar 4, 2014·117 cites·28 claims
- 1394US11574650B1Gain scheduled controller to handle unpredictable disturbances during spiral writeTOSHIBA KK·Filed 2022·Granted Feb 7, 2023·6 cites·20 claims
- 1487US9953672B1Accurate repeatable runout compensation in disk drives during seeksTOSHIBA KK·Filed 2016·Granted Apr 24, 2018·8 cites·20 claims
- 1585US9865290B1Single surface in-drive eraseTOSHIBA KK·Filed 2017·Granted Jan 9, 2018·9 cites·20 claims
- 1673US9640210B1Virtual window mode for guide spiral servo demodulationTOSHIBA KK·Filed 2015·Granted May 2, 2017·3 cites·18 claims
- 1766US8929021B1Disk drive servo writing from spiral tracks using radial dependent timing feed-forward compensationLIANG JIANGANG·Filed 2012·Granted Jan 6, 2015·1 cites·14 claims
- 1860US10074391B1Spiral-based self-servo-write on single disk surfaceTOSHIBA KK·Filed 2017·Granted Sep 11, 2018·1 cites·20 claims
- 1958US8934191B1Disk drive generating a disk locked clock using radial dependent timing feed-forward compensationWESTERN DIGITAL TECH INC·Filed 2014·Granted Jan 13, 2015·0 cites·8 claims
- 2057US9824708B2Spiral write launch while servoing on reference guide spiralsTOSHIBA KK·Filed 2015·Granted Nov 21, 2017·1 cites·20 claims
- 2152US12007021B2Motor control method and device of bistable gear shifter and automobileGUANGZHOU AUTOMOBILE GROUP CO·Filed 2021·Granted Jun 11, 2024·0 cites·20 claims
- 2250US11508403B1Reducing the effect of actuator cross-coupling in split actuator drivesTOSHIBA KK·Filed 2021·Granted Nov 22, 2022·0 cites·16 claims
- 2342US9633682B1Accurate spiral gate positioning in the presence of large non-repeatable runoutTOSHIBA KK·Filed 2015·Granted Apr 25, 2017·0 cites·20 claims
- 2437US9691421B2Writing spirals with accurate slope on a disk drive mediaTOSHIBA KK·Filed 2015·Granted Jun 27, 2017·0 cites·21 claims
- 2537US9311941B1Erase coarse guide spiral-based in-drive erase processTOSHIBA KK·Filed 2015·Granted Apr 12, 2016·0 cites·20 claims
- 2635US9514774B1Spiral pitch correction based on micro-jog variationTOSHIBA KK·Filed 2015·Granted Dec 6, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →