Inventor · disambiguated record
Ta-Chang Fu
Also filed as: FU TA-CHANG
26 granted patents·2 pending applications·482 citations·filing 1998–2017
96Inventor score
Files withHITACHI GLOBAL STORAGE TECH16KOMAG INC3FU TA-CHANG2HITACHI GLOBAL STORAGE TECH NL2ARNONE GREGORY JOSEPH1
Top patents by PatentIndex Score
28 records- 0197US6683754B2Hard disk drive head-media system having reduced stiction and low fly heightKOMAG INC·Filed 2002·Granted Jan 27, 2004·78 cites·8 claims
- 0297US6552871B2Hard disk drive head-media system having reduced stiction and low fly heightKOMAG INC·Filed 2002·Granted Apr 22, 2003·79 cites·11 claims
- 0397US6381090B1Hard disk drive head-media system having reduced stiction and low fly heightKOMAG INC·Filed 1998·Granted Apr 30, 2002·126 cites·16 claims
- 0493US6560075B2Disk drive with multiple actuators and reduced actuator interactionsHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted May 6, 2003·50 cites·4 claims
- 0587US6801400B2Motion limiter for disk drive integrated gimbal suspensionHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Oct 5, 2004·23 cites·20 claims
- 0686US6243235B1Transducer suspension system with limiterIBM·Filed 1999·Granted Jun 5, 2001·45 cites·6 claims
- 0783US6961216B2Hard disk drive with disk clamp inner wall engaging bearing sleeve outer wallHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 1, 2005·17 cites·5 claims
- 0882US7126787B2System and method for hard disk drive with disk clamp annular rim inner wall engaging hub annular recess outer wallHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 24, 2006·5 cites·9 claims
- 0981US7990657B2Plurality of non-magnetic dampers on a voice coil yoke armHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Aug 2, 2011·5 cites·15 claims
- 1081US7724468B2Apparatus and method for correcting static and dynamic imbalance with a single mass in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 25, 2010·5 cites·34 claims
- 1176US8144434B1Integrated pivot-carriage for improving pivot bonding processARNONE GREGORY JOSEPH·Filed 2010·Granted Mar 27, 2012·5 cites·20 claims
- 1274US7012782B2Method of attenuating airflow disturbances in a hard disk drive with a circumferential motor bracket shroud for motor hub flange outside diameterHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 14, 2006·9 cites·4 claims
- 1366US7881016B2Method and apparatus for spring clip latch for retaining hard disk drive actuator onto bracket of flex circuit assemblyHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Feb 1, 2011·4 cites·12 claims
- 1466US7212376B2Disk drive system with hydrodynamic bearing lubricant having charge-control additive comprising dioctyldiphenylamine and/or oligomer thereofHITACHI GLOBAL STORAGE NETHERL·Filed 2003·Granted May 1, 2007·6 cites·15 claims
- 1565US7652843B2Completely circumferential motor bracket shroud for motor hub flange outside diameter for hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 26, 2010·5 cites·11 claims
- 1662US7024755B2Method balancing a disk pack in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 11, 2006·4 cites·9 claims
- 1760US10056117B1Data storage device baseplate diverter and downstream spoilerWESTERN DIGITAL TECH INC·Filed 2017·Granted Aug 21, 2018·1 cites·23 claims
- 1859US6885118B2Balance clip for reducing friction during clip adjustment in spindle motor and hard disk drive balance processHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 26, 2005·4 cites·10 claims
- 1956US7107670B2System for assembling a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Sep 19, 2006·3 cites·8 claims
- 2053US6989958B2Screw attachment from exterior of disk drive enclosure for motors with mount bracket screw bolt pattern diameter larger than the motor hub outside diameterHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 24, 2006·2 cites·10 claims
- 2151US7149052B2Screw attachment from exterior of disk drive enclosure for motors with mount bracket screw bolt pattern diameter larger than the motor hub outside diameterHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 12, 2006·0 cites·10 claims
- 2247US7283325B2Apparatus and system for centering media disks on the hub of a spindle motor in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Oct 16, 2007·2 cites·11 claims
- 2347US7117582B2Method of assembling a hard disk drive having a motor bracket tooling hole for inverted motor-to-base merge processHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Oct 10, 2006·3 cites·5 claims
- 2443US7035045B2Balance clip holder feature on a spindle motor with nickel-teflon coating on balance clips for reducing friction during clip adjustment in balance processHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 25, 2006·0 cites·14 claims
- 2542US2007153415A1Constrained-damped boundary apparatus for reduction of HDD flex cable induced settle dynamicsCHANG JEN-YUAN·Filed 2006·Application pending·0 cites
- 2641US7155807B2Method of centering media disks on the hub of a spindle motor in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 2, 2007·1 cites·2 claims
- 2740US8830634B2Asymmetric comb bore in actuator designFU TA-CHANG·Filed 2012·Granted Sep 9, 2014·0 cites·19 claims
- 2834US2006087764A1Apparatus and method for correcting single plane and coupled plane imbalance with a single mass in a hard disk driveFU TA-CHANG·Filed 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →