Inventor · disambiguated record
Wayne Leung Cheung
Also filed as: CHEUNG WAYNE · CHEUNG WAYNE L · CHEUNG WAYNE LEUNG
15 granted patents·623 citations·filing 1993–2002
95Inventor score
Technology areasG11B
Top patents by PatentIndex Score
15 records- 0194US6025970ADigital demodulation of a complementary two-frequency servo PES patternIBM·Filed 1997·Granted Feb 15, 2000·105 cites·36 claims
- 0292US5966264ATwo frequency servo PES patternINT BUSINESS MACHINES CORORATI·Filed 1997·Granted Oct 12, 1999·96 cites·21 claims
- 0388US5825579ADisk drive servo sensing gain normalization and linearizationIBM·Filed 1996·Granted Oct 20, 1998·57 cites·94 claims
- 0488US5615065APhase-compensated servo pattern and position error-sensing detectorIBM·Filed 1994·Granted Mar 25, 1997·46 cites·19 claims
- 0586US6393511B1Multi-track density direct access storage deviceIBM·Filed 1999·Granted May 21, 2002·42 cites·10 claims
- 0685US6324030B1Digital pes demodulation for a disk drive servo control system using synchronous digital samplingIBM·Filed 1997·Granted Nov 27, 2001·53 cites·23 claims
- 0782US6847501B2Method and apparatus for providing matched differential MR biasing and pre-amplificationIBM·Filed 2002·Granted Jan 25, 2005·15 cites·30 claims
- 0880US5717538AAsynchronous position error signal detector employing weighted accumulation for use in servo systemIBM·Filed 1995·Granted Feb 10, 1998·36 cites·31 claims
- 0979US5774298AAsynchronous digital PES demodulation disk drive servo control systemIBM·Filed 1996·Granted Jun 30, 1998·39 cites·36 claims
- 1078US5999351AMulti-track density direct access storage deviceIBM·Filed 1996·Granted Dec 7, 1999·28 cites·17 claims
- 1178US5818659AQuadrature servo pattern disk providing asynchronous digital PESIBM·Filed 1997·Granted Oct 6, 1998·34 cites·8 claims
- 1275US6870696B2CMOS low-noise MR read head pre-amplifier circuitIBM·Filed 2002·Granted Mar 22, 2005·10 cites·21 claims
- 1373US5442498AAsynchronous track code encodement and detection for disk drive servo control systemIBM·Filed 1993·Granted Aug 15, 1995·28 cites·22 claims
- 1471US6070225AMethod and apparatus for optimizing access to coded indicia hierarchically stored on at least one surface of a cyclic, multitracked recording deviceIBM·Filed 1998·Granted May 30, 2000·26 cites·14 claims
- 1546US6456449B1Disk drive with wide servo burst pattern and wide servo sensing elementIBM·Filed 1997·Granted Sep 24, 2002·8 cites·25 claims
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