Inventor · disambiguated record
Bryan Scott Rowan
Also filed as: ROWAN BRYAN · ROWAN BRYAN S · ROWAN BRYAN SCOTT
18 granted patents·1 pending application·386 citations·filing 1996–2017
95Inventor score
Files withIBM10HITACHI GLOBAL STORAGE TECH4HITACHI GLOBAL STORAGE TECH NL2WESTERN DIGITAL TECH INC2LSI LOGIC CORP1
Top patents by PatentIndex Score
19 records- 0194US9792938B1Data storage device communicating servo information between servo channels of multiple actuatorsWESTERN DIGITAL TECH INC·Filed 2017·Granted Oct 17, 2017·19 cites·18 claims
- 0294US5781363AServo-free velocity estimator for coil driven actuator arm in a data storage driveIBM·Filed 1996·Granted Jul 14, 1998·80 cites·16 claims
- 0391US7595953B1Magnetic recording disk drive with switchable compensation for mechanical and electrical disturbancesHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Sep 29, 2009·15 cites·11 claims
- 0487US9934803B1Data storage device attenuating multiple actuator coupling disturbanceWESTERN DIGITAL TECH INC·Filed 2017·Granted Apr 3, 2018·8 cites·24 claims
- 0587US7309967B2Motor drive circuitry with regenerative braking for disk driveHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 18, 2007·22 cites·25 claims
- 0687US5986426AAdaptive pulse width modulated motor controlIBM·Filed 1997·Granted Nov 16, 1999·50 cites·26 claims
- 0783US5886489AApparatus and method for reducing spindle power and acoustic noise in a disk driveIBM·Filed 1996·Granted Mar 23, 1999·38 cites·39 claims
- 0876US6560057B1Head positioning system for a disk drive during a power down conditionIBM·Filed 1999·Granted May 6, 2003·28 cites·21 claims
- 0976US6362766B1Variable pulse PWM DAC method and apparatusIBM·Filed 2000·Granted Mar 26, 2002·22 cites·20 claims
- 1073US5963393AServo-free velocity estimator for coil driven actuator arm in a data storage driveIBM·Filed 1998·Granted Oct 5, 1999·21 cites·17 claims
- 1171US6067202AMethod and apparatus for controlling spindle motor commutation switching times in a disk driveIBM·Filed 1996·Granted May 23, 2000·23 cites·59 claims
- 1269US7957847B2Voltage regulating systems responsive to feed-forward information from deterministic loadsHITACHI GLOBAL STORAGE TECH NL·Filed 2005·Granted Jun 7, 2011·7 cites·23 claims
- 1368US7888902B2Adjustable voice coil motor driverHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Feb 15, 2011·2 cites·12 claims
- 1462US6181091B1Apparatus and method for control of a multi-pole brushless DC motor in the event of saturation detectionIBM·Filed 1999·Granted Jan 30, 2001·23 cites·10 claims
- 1559US7332832B2Removable hard disk drive (HDD) that is hot-plug compatible with multiple external power supply voltagesHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 19, 2008·4 cites·23 claims
- 1658US7486463B1Power disturbance compensationHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Feb 3, 2009·0 cites·25 claims
- 1756US6388832B1Method and system for providing spindle motor control for head loading in a disk driveIBM·Filed 1999·Granted May 14, 2002·11 cites·17 claims
- 1848US6262619B1Method and system for power amplifier offset nullingIBM·Filed 1999·Granted Jul 17, 2001·13 cites·18 claims
- 1939US2003169875A1On-chip compensation scheme for bridged tap lines in ADSL hybridLSI LOGIC CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →