Inventor · disambiguated record
Nhan X. Bui
Also filed as: BUI NHAN · BUI NHAN X · BUI NHAN XUAN
175 granted patents·10 pending applications·1,880 citations·filing 1993–2023
99Inventor score
Top patents by PatentIndex Score
185 records- 0199US7839599B2Combining information from parallel servo channelsIBM·Filed 2009·Granted Nov 23, 2010·106 cites·3 claims
- 0298US8000057B2Combining information from parallel servo channelsIBM·Filed 2010·Granted Aug 16, 2011·99 cites·6 claims
- 0398US7764460B2Adjusting read heads based on misregistration calculated from servo patternsIBM·Filed 2008·Granted Jul 27, 2010·69 cites·23 claims
- 0497US9997184B1Hybrid servo pattern configurations for magnetic tapeIBM·Filed 2017·Granted Jun 12, 2018·24 cites·25 claims
- 0597US8270114B2Magnetically biased tilting roller bearing tape guidanceARGUMEDO ARMANDO JESUS·Filed 2008·Granted Sep 18, 2012·51 cites·20 claims
- 0697US6580581B1Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tapeIBM·Filed 2000·Granted Jun 17, 2003·97 cites·15 claims
- 0796US8094402B2Systems and methods for correcting magnetic tape dimensional instabilityBUI NHAN X·Filed 2010·Granted Jan 10, 2012·52 cites·19 claims
- 0896US8054576B2Skew actuator to servo track zero referenceIBM·Filed 2010·Granted Nov 8, 2011·45 cites·25 claims
- 0995US9373346B1Adjustable spacing formatter headIBM·Filed 2015·Granted Jun 21, 2016·16 cites·20 claims
- 1095US7852599B2Apparatus, system, and method for tape drive headIBM·Filed 2008·Granted Dec 14, 2010·20 cites·20 claims
- 1195US7724466B2Method and system for servo stripe width detection and compensationIBM·Filed 2008·Granted May 25, 2010·23 cites·20 claims
- 1295US7529061B2Tape drive for maintaining lateral position utilizing longitudinally shifted servo pattern with increased sampling rateIBM·Filed 2008·Granted May 5, 2009·21 cites·25 claims
- 1395US7102847B2Identification of laterally positioned servo bands employing differentiating characteristics of servo patternsIBM·Filed 2005·Granted Sep 5, 2006·20 cites·4 claims
- 1495US7002763B2Identification of laterally positioned servo bands employing differentiating characteristics of servo patternsIBM·Filed 2003·Granted Feb 21, 2006·48 cites·4 claims
- 1595US6963467B2Method and apparatus for compensating for media shift due to tape guideIBM·Filed 2001·Granted Nov 8, 2005·57 cites·35 claims
- 1694US11972783B1Magnetic recording tape having servo pattern for tape dimensional stability compensation via head skewIBM·Filed 2023·Granted Apr 30, 2024·4 cites·19 claims
- 1794US9472221B1Adjustable spacing formatter headIBM·Filed 2016·Granted Oct 18, 2016·14 cites·16 claims
- 1894US8213105B2Cancellation of time-varying periodic disturbances in servo control systemsBUI NHAN X·Filed 2009·Granted Jul 3, 2012·19 cites·27 claims
- 1994US6721126B1Position identification for a coarse actuator portion of a compound actuatorIBM·Filed 2000·Granted Apr 13, 2004·56 cites·28 claims
- 2094US6587303B1Servo control of a coarse actuatorIBM·Filed 2000·Granted Jul 1, 2003·51 cites·25 claims
- 2193US8780486B2Determining a skew error signal (SES) offset used to determine an SES to adjust heads in a drive unitBUI NHAN X·Filed 2012·Granted Jul 15, 2014·19 cites·30 claims
- 2293US7957088B1Track compensation and skew compensation for drives having flangeless rollers and systems thereofIBM·Filed 2010·Granted Jun 7, 2011·22 cites·20 claims
- 2393US6791781B2Method and apparatus for providing linear position (LPOS) estimationsIBM·Filed 2001·Granted Sep 14, 2004·40 cites·22 claims
- 2493US6762900B2Method and apparatus for performing position error signal conditioning of LTO media servo format written-in velocity variationIBM·Filed 2001·Granted Jul 13, 2004·42 cites·34 claims
- 2592US8902531B2Dynamically controlling tape velocityBUI NHAN XUAN·Filed 2012·Granted Dec 2, 2014·15 cites·21 claims
- 2692US7961421B1Servo band identification and initial skew estimation in drives having flangeless rollers and systems thereofIBM·Filed 2010·Granted Jun 14, 2011·17 cites·20 claims
- 2792US7920356B2Method and system for providing a longitudinally shifted servo pattern for increased sampling rateIBM·Filed 2008·Granted Apr 5, 2011·12 cites·23 claims
- 2892US7847496B2Dynamic tape drive calibrationIBM·Filed 2008·Granted Dec 7, 2010·13 cites·25 claims
- 2992US7403350B2Multiple servo sensor configuration for magnetic tape timing based servoIBM·Filed 2006·Granted Jul 22, 2008·14 cites·20 claims
- 3092US7364106B2Compensation for tape breakage in a tape driveIBM·Filed 2007·Granted Apr 29, 2008·12 cites·5 claims
- 3192US7280307B2Track following servo actuator offset calibration for tape driveIBM·Filed 2006·Granted Oct 9, 2007·12 cites·18 claims
- 3292US6937413B2Tape servo information with superimposed data information providing servo band identificationIBM·Filed 2003·Granted Aug 30, 2005·36 cites·7 claims
- 3391US10332554B1Tape drive temperature control for media dimensional stabilityIBM·Filed 2018·Granted Jun 25, 2019·9 cites·18 claims
- 3491US9117470B1Write delay to de-skew data in read while write function for tape storage devicesIBM·Filed 2014·Granted Aug 25, 2015·11 cites·20 claims
- 3591US8139312B2Timing alternative intervals within a timing based servo bandBUI NHAN XUAN·Filed 2010·Granted Mar 20, 2012·18 cites·29 claims
- 3691US8027121B2Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursionsIBM·Filed 2009·Granted Sep 27, 2011·12 cites·25 claims
- 3791US7489465B2Apparatus, system, and method for timing based servo tape formatingIBM·Filed 2007·Granted Feb 10, 2009·11 cites·17 claims
- 3890US8743492B2Variable stopwrite threshold with variable smoothing factorBUI NHAN X·Filed 2012·Granted Jun 3, 2014·9 cites·19 claims
- 3990US8288979B2Motor control mechanism for electric vehiclesBATES ALLEN KEITH·Filed 2009·Granted Oct 16, 2012·22 cites·14 claims
- 4090US7433142B2Using at least one servo channel to provide timing recovery and timing information to data channelsIBM·Filed 2006·Granted Oct 7, 2008·10 cites·35 claims
- 4190US6940682B2Data read transducers for determining lateral position of a tape head with respect to longitudinal servo bands of magnetic tapeIBM·Filed 2003·Granted Sep 6, 2005·29 cites·30 claims
- 4289US9013827B1Coarse actuator positioning algorithmIBM·Filed 2014·Granted Apr 21, 2015·8 cites·20 claims
- 4389US8937777B2Variable stopwrite threshold with variable smoothing factorIBM·Filed 2014·Granted Jan 20, 2015·8 cites·15 claims
- 4489US7443623B2Peak detection for magnetic tape timing based servoIBM·Filed 2008·Granted Oct 28, 2008·8 cites·12 claims
- 4588US9640209B1Generating defect signals in time based servo tape storage systemsIBM·Filed 2016·Granted May 2, 2017·7 cites·20 claims
- 4688US8982492B2Adjusting tension in a tape media to counter tape dimensional stability (TDS) errors in a tape mediaIBM·Filed 2013·Granted Mar 17, 2015·7 cites·26 claims
- 4788US8169736B2Method and apparatus to position a head module comprising servo elements and a plurality of data elementsBUI NHAN XUAN·Filed 2009·Granted May 1, 2012·7 cites·17 claims
- 4888US7903368B2Tape cartridge having tape media with longitudinally shifted servo pattern for increased sampling rateIBM·Filed 2008·Granted Mar 8, 2011·8 cites·8 claims
- 4988US7649710B2Moving magnet actuation of tape headIBM·Filed 2008·Granted Jan 19, 2010·8 cites·25 claims
- 5088US7369342B2Peak detection for magnetic tape timing based servoIBM·Filed 2005·Granted May 6, 2008·7 cites·4 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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