Assignee
MAGNETIC PERIPHERALS INC
US·167 granted patents·4,675 citations·filing 1977–1991
Top patents by PatentIndex Score
167 records- 0198US5062021ASelectively textured magnetic recording mediaMAGNETIC PERIPHERALS INC·Filed 1990·Granted Oct 29, 1991·187 cites·13 claims
- 0297US5108781AProcess for manufacturing selectively textured magnetic recording mediaMAGNETIC PERIPHERALS INC·Filed 1991·Granted Apr 28, 1992·108 cites·19 claims
- 0397US4802042ASide-vented magnetic head air bearing sliderMAGNETIC PERIPHERALS INC·Filed 1987·Granted Jan 31, 1989·105 cites·3 claims
- 0496US4620248AApparatus for controlling humidity in a disk driveMAGNETIC PERIPHERALS INC·Filed 1984·Granted Oct 28, 1986·133 cites·17 claims
- 0595US4912576AMethod for writing a servo patternMAGNETIC PERIPHERALS INC·Filed 1988·Granted Mar 27, 1990·79 cites·10 claims
- 0695US4803580ADouble-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gapMAGNETIC PERIPHERALS INC·Filed 1987·Granted Feb 7, 1989·93 cites·2 claims
- 0795US4800454AStatic charge protection for magnetic thin film data transducersMAGNETIC PERIPHERALS INC·Filed 1987·Granted Jan 24, 1989·75 cites·9 claims
- 0895US4799112AMethod and apparatus for recording dataMAGNETIC PERIPHERALS INC·Filed 1987·Granted Jan 17, 1989·83 cites·27 claims
- 0994US4333117ADisc head arm position controller using digital velocity sensingMAGNETIC PERIPHERALS INC·Filed 1980·Granted Jun 1, 1982·49 cites·10 claims
- 1093US4908715ADisk drive unitMAGNETIC PERIPHERALS INC·Filed 1988·Granted Mar 13, 1990·63 cites·12 claims
- 1193US4814908AThermo servo for track centering on a diskMAGNETIC PERIPHERALS INC·Filed 1986·Granted Mar 21, 1989·51 cites·15 claims
- 1292US4905110ADisk drive spindle motorMAGNETIC PERIPHERALS INC·Filed 1988·Granted Feb 27, 1990·58 cites·15 claims
- 1392US4868694AFlexure for rotary actuated armMAGNETIC PERIPHERALS INC·Filed 1987·Granted Sep 19, 1989·49 cites·18 claims
- 1492US4862298AShock load detection deviceMAGNETIC PERIPHERALS INC·Filed 1988·Granted Aug 29, 1989·66 cites·8 claims
- 1591US5107378AAdaptive magnetic recording and readback systemMAGNETIC PERIPHERALS INC·Filed 1990·Granted Apr 21, 1992·62 cites·3 claims
- 1691US4620251AMagnetic transducer support structureMAGNETIC PERIPHERALS INC·Filed 1983·Granted Oct 28, 1986·46 cites·6 claims
- 1790US4863809ASurface treatment for sliders and carbon coated magnetic mediaMAGNETIC PERIPHERALS INC·Filed 1988·Granted Sep 5, 1989·46 cites·4 claims
- 1890US4821461ATextured lapping plate and process for its manufactureMAGNETIC PERIPHERALS INC·Filed 1987·Granted Apr 18, 1989·45 cites·6 claims
- 1989US4827531AMethod and device for reading a document characterMAGNETIC PERIPHERALS INC·Filed 1987·Granted May 2, 1989·192 cites·12 claims
- 2089US4810520AMethod for controlling electroless magnetic platingMAGNETIC PERIPHERALS INC·Filed 1987·Granted Mar 7, 1989·279 cites·5 claims
- 2189US4775978AData error correction systemMAGNETIC PERIPHERALS INC·Filed 1987·Granted Oct 4, 1988·204 cites·6 claims
- 2289US4748525AProbe head for vertical recordingMAGNETIC PERIPHERALS INC·Filed 1987·Granted May 31, 1988·40 cites·1 claims
- 2389US4485418ASystem and method of locating the center of a track on a magnetic storage diskMAGNETIC PERIPHERALS INC·Filed 1982·Granted Nov 27, 1984·39 cites·6 claims
- 2488US4970615APole design for thin film magnetic headsMAGNETIC PERIPHERALS INC·Filed 1989·Granted Nov 13, 1990·43 cites·11 claims
- 2588US4899234AAdaptive velocity profile for disk actuator controlMAGNETIC PERIPHERALS INC·Filed 1988·Granted Feb 6, 1990·40 cites·6 claims
- 2688US4535375AMagnetoresistive headMAGNETIC PERIPHERALS INC·Filed 1983·Granted Aug 13, 1985·31 cites·4 claims
- 2788US4517041AMethod for attaching a workpiece to a workpiece carrierMAGNETIC PERIPHERALS INC·Filed 1984·Granted May 14, 1985·32 cites·5 claims
- 2888US4477968AMethod for using a machining sensorMAGNETIC PERIPHERALS INC·Filed 1982·Granted Oct 23, 1984·36 cites·2 claims
- 2988US4457114AWorkpiece carrierMAGNETIC PERIPHERALS INC·Filed 1982·Granted Jul 3, 1984·43 cites·11 claims
- 3088US4412260ACartridge receiver mechanismMAGNETIC PERIPHERALS INC·Filed 1981·Granted Oct 25, 1983·46 cites·14 claims
- 3187US4462095AMoving diffraction grating for an information track centering system for optical recordingMAGNETIC PERIPHERALS INC·Filed 1982·Granted Jul 24, 1984·40 cites·3 claims
- 3286US4891725AMagnetoresistive sensor having antiferromagnetic exchange-biased endsMAGNETIC PERIPHERALS INC·Filed 1988·Granted Jan 2, 1990·50 cites·13 claims
- 3386US4851710AMetastable prevent circuitMAGNETIC PERIPHERALS INC·Filed 1988·Granted Jul 25, 1989·34 cites·24 claims
- 3486US4627039AHead positioning servo system for optical recording with coarse and fine controlMAGNETIC PERIPHERALS INC·Filed 1983·Granted Dec 2, 1986·32 cites·17 claims
- 3586US4328521AGimbal spring retainerMAGNETIC PERIPHERALS INC·Filed 1980·Granted May 4, 1982·32 cites·6 claims
- 3685US4942609AElectronic flying integrity tester for disk drivesMAGNETIC PERIPHERALS INC·Filed 1989·Granted Jul 17, 1990·34 cites·5 claims
- 3785US4835361ALaser machining for producing very small partsMAGNETIC PERIPHERALS INC·Filed 1988·Granted May 30, 1989·37 cites·17 claims
- 3884US4811135ATri-phase servo pattern for providing information for positioning the transducers of a magnetic disk storage driveMAGNETIC PERIPHERALS INC·Filed 1986·Granted Mar 7, 1989·33 cites·11 claims
- 3984US4624564ACalibration standards for flying height testersMAGNETIC PERIPHERALS INC·Filed 1985·Granted Nov 25, 1986·31 cites·3 claims
- 4084US4272794ADisc memory drive with improved cartridge handlingMAGNETIC PERIPHERALS INC·Filed 1978·Granted Jun 9, 1981·27 cites·12 claims
- 4183US4642246AProcess for chemically bonding a lubricant to a magnetic diskMAGNETIC PERIPHERALS INC·Filed 1985·Granted Feb 10, 1987·31 cites·7 claims
- 4283US4516162AMethod for verifying servo dataMAGNETIC PERIPHERALS INC·Filed 1983·Granted May 7, 1985·32 cites·8 claims
- 4382US4194228AMagnetic disc housing with means to prevent radial disc shiftMAGNETIC PERIPHERALS INC·Filed 1978·Granted Mar 18, 1980·23 cites·5 claims
- 4481US4860135AThermal compensation mechanism for magnetic disk drive data storage unitsMAGNETIC PERIPHERALS INC·Filed 1988·Granted Aug 22, 1989·31 cites·9 claims
- 4581US4833559ACapacitor multiplexing for magnetoresistive headsMAGNETIC PERIPHERALS INC·Filed 1987·Granted May 23, 1989·25 cites·9 claims
- 4681US4564585AProcess for fabricating negative pressure slidersMAGNETIC PERIPHERALS INC·Filed 1984·Granted Jan 14, 1986·31 cites·4 claims
- 4779US5118577APlasma treatment for ceramic materialsMAGNETIC PERIPHERALS INC·Filed 1989·Granted Jun 2, 1992·24 cites·7 claims
- 4879US4982300ARestrictively damped actuator mount for disc drivesMAGNETIC PERIPHERALS INC·Filed 1988·Granted Jan 1, 1991·25 cites·13 claims
- 4979US4923406ASpindle motor flex cableMAGNETIC PERIPHERALS INC·Filed 1988·Granted May 8, 1990·46 cites·5 claims
- 5079US4677507ADigital velocity control for a disk drive servo systemMAGNETIC PERIPHERALS INC·Filed 1986·Granted Jun 30, 1987·28 cites·3 claims
Showing the top 50 of 167 patent records by PatentIndex Score.
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