Inventor · disambiguated record
Mantle Man-Hon Yu
Also filed as: YU MANTLE · YU MANTLE M · YU MANTLE M H · YU MANTLE MAN-HON
48 granted patents·1 pending application·1,213 citations·filing 1987–2007
99Inventor score
Files withIBM37HITACHI GLOBAL STORAGE TECH9BLAUM MARIO1HITACHI GLOBAL STORAGE TECH NL1HITACHI GLOBAL TECH NL BV1
Top patents by PatentIndex Score
49 records- 0197US6034831ADynamic reverse reassign apparatus and method for a data recording disk driveIBM·Filed 1997·Granted Mar 7, 2000·151 cites·58 claims
- 0294US6519109B1Method and apparatus for providing feedforward control of two interacting actuatorsIBM·Filed 2000·Granted Feb 11, 2003·43 cites·16 claims
- 0393US5761007ADisk drive with multiple actuators on a single axis having different inertia characteristicsIBM·Filed 1997·Granted Jun 2, 1998·70 cites·21 claims
- 0492US5072318ADisk file with adaptive cancellation of nonrepeatable disk runoutIBM·Filed 1990·Granted Dec 10, 1991·58 cites·6 claims
- 0591US4914644ADisk file digital servo control system with coil current modelingIBM·Filed 1988·Granted Apr 3, 1990·46 cites·4 claims
- 0690US7551379B2Write element before read element with early servo termination on writeHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 23, 2009·11 cites·22 claims
- 0789US6563657B1Multiple and reconfigurable data access and storage device using multiple actuatorsIBM·Filed 2000·Granted May 13, 2003·26 cites·12 claims
- 0887US7309967B2Motor drive circuitry with regenerative braking for disk driveHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 18, 2007·22 cites·25 claims
- 0987US6313964B1Early write enable with off-track write protectionIBM·Filed 1998·Granted Nov 6, 2001·49 cites·19 claims
- 1086US6005743ADisk drive with multiple actuators on a single axis and disk surfaces of differing track pitchIBM·Filed 1998·Granted Dec 21, 1999·40 cites·4 claims
- 1186US4835633ADisk file digital servo control system with compensation for variation in actuator acceleration factorIBM·Filed 1987·Granted May 30, 1989·41 cites·7 claims
- 1285US6181500B1Self servo rewrite method and apparatusIBM·Filed 1998·Granted Jan 30, 2001·39 cites·29 claims
- 1385US5589998ACylinder address storage in multiple servo sectors of a trackIBM·Filed 1994·Granted Dec 31, 1996·34 cites·36 claims
- 1484US6226140B1Shock detector in a disk drive servo control systemIBM·Filed 1998·Granted May 1, 2001·39 cites·28 claims
- 1583US6421198B1Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk driveIBM·Filed 1999·Granted Jul 16, 2002·41 cites·44 claims
- 1683US5886489AApparatus and method for reducing spindle power and acoustic noise in a disk driveIBM·Filed 1996·Granted Mar 23, 1999·38 cites·39 claims
- 1782US7586709B2Read write offset error correction using geometric reference in self servo write processHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Sep 8, 2009·6 cites·2 claims
- 1882US6049438AMethod and apparatus for encoding digital servo information in a servo burstIBM·Filed 1997·Granted Apr 11, 2000·36 cites·66 claims
- 1981US6078445AGain control for a dual burst, dual frequency PES servo patternIBM·Filed 1997·Granted Jun 20, 2000·36 cites·21 claims
- 2080US4835632ADisk file digital servo control system with multiple sampling rateIBM·Filed 1987·Granted May 30, 1989·30 cites·5 claims
- 2179US6975478B2Method for calibrating disk drive servo control system gain values during manufacturingHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 13, 2005·13 cites·13 claims
- 2279US6577463B1Tangential misalignment precompensation in a direct access storage deviceIBM·Filed 2000·Granted Jun 10, 2003·13 cites·30 claims
- 2377US6215608B1Hardware inhibit for a disk drive digital servo control systemIBM·Filed 1998·Granted Apr 10, 2001·29 cites·28 claims
- 2476US6362766B1Variable pulse PWM DAC method and apparatusIBM·Filed 2000·Granted Mar 26, 2002·22 cites·20 claims
- 2575US6594106B1Adaptive servo estimator and compensator for coil and carriage deformation in voice coil motor driven hard disk driveIBM·Filed 1999·Granted Jul 15, 2003·26 cites·48 claims
- 2674US6226138B1Encoded TID with error detection and correction abilityIBM·Filed 1998·Granted May 1, 2001·24 cites·7 claims
- 2772US5880902AMethod and apparatus for adaptively calibrating disk drive performance based on real time performance monitoringIBM·Filed 1996·Granted Mar 9, 1999·27 cites·44 claims
- 2871US6067202AMethod and apparatus for controlling spindle motor commutation switching times in a disk driveIBM·Filed 1996·Granted May 23, 2000·23 cites·59 claims
- 2969US6865042B2Embedded servo patterning methods and apparatusHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 8, 2005·7 cites·32 claims
- 3068US5966263AMethod and apparatus to increase head/AE select robustness for a system using multiple head servo writeIBM·Filed 1997·Granted Oct 12, 1999·20 cites·13 claims
- 3167US7042666B2Disk drive having improved timing marksHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·6 cites·17 claims
- 3267US6462898B2Disk drive with information encoded in the position error signal fieldsIBM·Filed 1998·Granted Oct 8, 2002·18 cites·23 claims
- 3365US6873489B2Method, system, and program for estimating coil resistance of a voice coil motor in a disk drive systemHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 29, 2005·6 cites·50 claims
- 3465US5912782ASystem and method for adjusting actuator control current for directional torque variance in a disk driveIBM·Filed 1996·Granted Jun 15, 1999·19 cites·34 claims
- 3563US6469855B1Method and system for adaptive settle and write inhibit constraints based on head geometry and servo/mechanical systemIBM·Filed 1999·Granted Oct 22, 2002·15 cites·28 claims
- 3662US7227710B2Method for operating disk drive having improved timing marksHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jun 5, 2007·4 cites·17 claims
- 3760US6384998B1Multiplexing servo tracking signals in a disk driveIBM·Filed 1999·Granted May 7, 2002·13 cites·12 claims
- 3860US6141176AData storage disk with information encoded in the position error signal fieldsIBM·Filed 1998·Granted Oct 31, 2000·14 cites·16 claims
- 3959US7089353B2Radial self-propagation pattern generation for disk file servowritingHITACHI GLOBAL TECH NL BV·Filed 2002·Granted Aug 8, 2006·3 cites·24 claims
- 4056US7869152B2Techniques for identifying servo sectors in storage devicesHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 11, 2011·0 cites·20 claims
- 4156US6522495B1System, method and program for determining the magnetic center shift within a disk drive systemIBM·Filed 1999·Granted Feb 18, 2003·11 cites·38 claims
- 4256US6388832B1Method and system for providing spindle motor control for head loading in a disk driveIBM·Filed 1999·Granted May 14, 2002·11 cites·17 claims
- 4355US6426843B1Settle time estimator feedback for rotational position reordering in data storage devicesIBM·Filed 1999·Granted Jul 30, 2002·10 cites·23 claims
- 4451US2009168227A1Distributed track identifier on a hard disk driveBLAUM MARIO·Filed 2007·Application pending·0 cites
- 4548US6088188ASystem and method for determining when hard disk drive power amplifier is saturatedIBM·Filed 1997·Granted Jul 11, 2000·8 cites·15 claims
- 4645US5617536AMethod and apparatus for servo control with error detection of gray (pennington) code used for servo track IDIBM·Filed 1995·Granted Apr 1, 1997·7 cites·32 claims
- 4742US6909576B2Method, system, and program for generating control signals to perform a seek operationHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Jun 21, 2005·0 cites·38 claims
- 4836US6456450B1Method and apparatus for reducing track misregistration due to digital-to-analog converter quantization noiseIBM·Filed 1998·Granted Sep 24, 2002·7 cites·51 claims
- 4927US6412058B1Adaptive head address re-map for data storage devicesIBM·Filed 1999·Granted Jun 25, 2002·1 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Mantle Man-Hon Yu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →