Assignee
SEAGATE TECHNOLOGY
US·1,122 granted patents·10 pending applications·35,449 citations·filing 1981–2018
Top patents by PatentIndex Score
1,132 records- 0198US6081499AMagneto-optical data storage system having an optical-processing flying headSEAGATE TECHNOLOGY·Filed 1998·Granted Jun 27, 2000·190 cites·20 claims
- 0298US5254914APosition detection for a brushless DC motor without Hall effect devices using a mutual inductance detection methodSEAGATE TECHNOLOGY·Filed 1990·Granted Oct 19, 1993·184 cites·28 claims
- 0398US5028852APosition detection for a brushless DC motor without hall effect devices using a time differential methodSEAGATE TECHNOLOGY·Filed 1990·Granted Jul 2, 1991·158 cites·22 claims
- 0497US7936598B2Magnetic stack having assist layerSEAGATE TECHNOLOGY·Filed 2009·Granted May 3, 2011·60 cites·20 claims
- 0597US6058094AFlying magneto-optical head with a steerable mirrorSEAGATE TECHNOLOGY·Filed 1997·Granted May 2, 2000·159 cites·29 claims
- 0697US5999303AMicro-machined mirror using tethered elementsSEAGATE TECHNOLOGY·Filed 1999·Granted Dec 7, 1999·141 cites·10 claims
- 0797US5991113ASlider with temperature responsive transducer positioningSEAGATE TECHNOLOGY·Filed 1997·Granted Nov 23, 1999·378 cites·33 claims
- 0897US5898541ALeading surface slider microactuatorSEAGATE TECHNOLOGY·Filed 1997·Granted Apr 27, 1999·148 cites·31 claims
- 0997US5598048AIntegrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motorSEAGATE TECHNOLOGY·Filed 1994·Granted Jan 28, 1997·73 cites·16 claims
- 1096US6128122AMicromachined mirror with stretchable restoring force memberSEAGATE TECHNOLOGY·Filed 1999·Granted Oct 3, 2000·103 cites·20 claims
- 1196US6019516ACrowned conical bearingSEAGATE TECHNOLOGY·Filed 1998·Granted Feb 1, 2000·70 cites·20 claims
- 1296US5998906AElectrostatic microactuator and method for use thereofSEAGATE TECHNOLOGY·Filed 1998·Granted Dec 7, 1999·198 cites·27 claims
- 1396US5856896AGimbal suspension for supporting a head in a disc drive assemblySEAGATE TECHNOLOGY·Filed 1997·Granted Jan 5, 1999·129 cites·26 claims
- 1496US5691993ARate 4/5 trellis code for PR4 channels with improved error propagationSEAGATE TECHNOLOGY·Filed 1995·Granted Nov 25, 1997·124 cites·13 claims
- 1596US5600500APerformance based write current optimization processSEAGATE TECHNOLOGY·Filed 1994·Granted Feb 4, 1997·126 cites·18 claims
- 1696US5541460APassive magnetic bearings for a spindle motorSEAGATE TECHNOLOGY·Filed 1994·Granted Jul 30, 1996·60 cites·8 claims
- 1796US5343343AAir bearing slider with relieved rail endsSEAGATE TECHNOLOGY·Filed 1993·Granted Aug 30, 1994·86 cites·29 claims
- 1896US4746998AMethod for mapping around defective sectors in a disc driveSEAGATE TECHNOLOGY·Filed 1985·Granted May 24, 1988·178 cites·7 claims
- 1995US7307875B2Spin based magnetic sensorSEAGATE TECHNOLOGY·Filed 2007·Granted Dec 11, 2007·17 cites·20 claims
- 2095US6108175ABimorph piezoelectric microactuator head and flexure assemblySEAGATE TECHNOLOGY·Filed 1997·Granted Aug 22, 2000·133 cites·9 claims
- 2195US6078473AGimbal flexure for use with microactuatorSEAGATE TECHNOLOGY·Filed 1998·Granted Jun 20, 2000·130 cites·19 claims
- 2295US6049650AStructure for micro-machine optical tooling and method for making and usingSEAGATE TECHNOLOGY·Filed 1998·Granted Apr 11, 2000·170 cites·70 claims
- 2395US5991104AUsing servowriter medium for quickly written servo-patterns on magnetic mediaSEAGATE TECHNOLOGY·Filed 1996·Granted Nov 23, 1999·109 cites·30 claims
- 2495US5694268ASpindle motor having overmolded statorSEAGATE TECHNOLOGY·Filed 1995·Granted Dec 2, 1997·103 cites·31 claims
- 2595US5678042ANetwork management system having historical virtual catalog snapshots for overview of historical changes to files distributively stored across network domainSEAGATE TECHNOLOGY·Filed 1996·Granted Oct 14, 1997·290 cites·4 claims
- 2695US5585976ADigital sector servo incorporating repeatable run out trackingSEAGATE TECHNOLOGY·Filed 1994·Granted Dec 17, 1996·118 cites·8 claims
- 2795US5569990ADetection of starting motor position in a brushless DC motorSEAGATE TECHNOLOGY·Filed 1995·Granted Oct 29, 1996·104 cites·46 claims
- 2895US5487608ASingle plate hydrodynamic bearing with self-balancing fluid level and fluid circulationSEAGATE TECHNOLOGY·Filed 1994·Granted Jan 30, 1996·68 cites·24 claims
- 2995US5262907AHard disc drive with improved servo systemSEAGATE TECHNOLOGY·Filed 1991·Granted Nov 16, 1993·142 cites·11 claims
- 3095US5235472AApparatus for sensing operating shock on a disk driveSEAGATE TECHNOLOGY·Filed 1991·Granted Aug 10, 1993·74 cites·7 claims
- 3195US5128822AConfiguration for negative pressure air bearing slidersSEAGATE TECHNOLOGY·Filed 1990·Granted Jul 7, 1992·80 cites·31 claims
- 3295US5065268ALoad beam having an additional bend in a head-gimbal assemblySEAGATE TECHNOLOGY·Filed 1989·Granted Nov 12, 1991·63 cites·16 claims
- 3395US5062017AHour-glass disk head sliderSEAGATE TECHNOLOGY·Filed 1990·Granted Oct 29, 1991·89 cites·33 claims
- 3495US5059278ASelective chemical removal of coil seed-layer in thin film head magnetic transducerSEAGATE TECHNOLOGY·Filed 1990·Granted Oct 22, 1991·102 cites·26 claims
- 3595US4980783AApparatus for automatically applying servo track data to a selected servo surface of a hard disk within a hard disk assemblySEAGATE TECHNOLOGY·Filed 1989·Granted Dec 25, 1990·67 cites·77 claims
- 3694US8046904B2Motor assembly method with an integrated flexible printed circuitSEAGATE TECHNOLOGY·Filed 2009·Granted Nov 1, 2011·24 cites·9 claims
- 3794US7447970B2Soft-decision decoding using selective bit flippingSEAGATE TECHNOLOGY·Filed 2004·Granted Nov 4, 2008·67 cites·29 claims
- 3894US6118637APiezoelectric assembly for micropositioning a disc drive headSEAGATE TECHNOLOGY·Filed 1998·Granted Sep 12, 2000·107 cites·16 claims
- 3994US5865651AFemale connector for mating with 3-in-1 IDE interface and power connector with recesses and projections for facilitating engagementSEAGATE TECHNOLOGY·Filed 1996·Granted Feb 2, 1999·94 cites·23 claims
- 4094US5696647AMethod for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limitSEAGATE TECHNOLOGY·Filed 1994·Granted Dec 9, 1997·60 cites·3 claims
- 4194US5475545AMethod for reducing noise during seeks in a hard disk driveSEAGATE TECHNOLOGY·Filed 1991·Granted Dec 12, 1995·83 cites·3 claims
- 4294US5369345AMethod and apparatus for adaptive controlSEAGATE TECHNOLOGY·Filed 1992·Granted Nov 29, 1994·213 cites·64 claims
- 4394US5333085ARead/write gimbal with limited range of motionSEAGATE TECHNOLOGY·Filed 1993·Granted Jul 26, 1994·130 cites·18 claims
- 4494US5303105AShape memory alloy for centering a transducer carried by a slider in a support arm over a track on a magnetic diskSEAGATE TECHNOLOGY·Filed 1992·Granted Apr 12, 1994·96 cites·63 claims
- 4594US5214549AAcoustically damped disc drive assemblySEAGATE TECHNOLOGY·Filed 1991·Granted May 25, 1993·146 cites·21 claims
- 4694US5117165AClosed-loop control of a brushless DC motor from standstill to medium speedSEAGATE TECHNOLOGY·Filed 1990·Granted May 26, 1992·105 cites·28 claims
- 4794US5055969AServo/data actuator arm flexible circuitSEAGATE TECHNOLOGY·Filed 1990·Granted Oct 8, 1991·101 cites·17 claims
- 4894US5001405APosition detection for a brushless DC motorSEAGATE TECHNOLOGY·Filed 1989·Granted Mar 19, 1991·104 cites·16 claims
- 4993US6178150B1Offset optics for use with optical headsSEAGATE TECHNOLOGY·Filed 1997·Granted Jan 23, 2001·149 cites·4 claims
- 5093US6069764ACompensation for repeatable run-out errorSEAGATE TECHNOLOGY·Filed 1998·Granted May 30, 2000·72 cites·16 claims
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