Assignee
MAGNETIC PERIPHERALS INC
US167 patents
Top patents by PatentIndex Score
US5062021AOct 29, 1991
Selectively textured magnetic recording media
MAGNETIC PERIPHERALS INC187 citations99
US5108781AApr 28, 1992
Process for manufacturing selectively textured magnetic recording media
MAGNETIC PERIPHERALS INC108 citations96
US4802042AJan 31, 1989
Side-vented magnetic head air bearing slider
MAGNETIC PERIPHERALS INC105 citations96
US4800454AJan 24, 1989
Static charge protection for magnetic thin film data transducers
MAGNETIC PERIPHERALS INC75 citations96
US4912576AMar 27, 1990
Method for writing a servo pattern
MAGNETIC PERIPHERALS INC79 citations95
US5107378AApr 21, 1992
Adaptive magnetic recording and readback system
MAGNETIC PERIPHERALS INC62 citations94
US4908715AMar 13, 1990
Disk drive unit
MAGNETIC PERIPHERALS INC63 citations94
US4905110AFeb 27, 1990
Disk drive spindle motor
MAGNETIC PERIPHERALS INC58 citations94
US4891725AJan 2, 1990
Magnetoresistive sensor having antiferromagnetic exchange-biased ends
MAGNETIC PERIPHERALS INC50 citations94
US4827531AMay 2, 1989
Method and device for reading a document character
MAGNETIC PERIPHERALS INC192 citations94
US4803580AFeb 7, 1989
Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap
MAGNETIC PERIPHERALS INC93 citations94
US4620248AOct 28, 1986
Apparatus for controlling humidity in a disk drive
MAGNETIC PERIPHERALS INC133 citations94
US4862298AAug 29, 1989
Shock load detection device
MAGNETIC PERIPHERALS INC66 citations93
US4851710AJul 25, 1989
Metastable prevent circuit
MAGNETIC PERIPHERALS INC34 citations93
US4799112AJan 17, 1989
Method and apparatus for recording data
MAGNETIC PERIPHERALS INC83 citations93
US4775978AOct 4, 1988
Data error correction system
MAGNETIC PERIPHERALS INC204 citations93
US4982300AJan 1, 1991
Restrictively damped actuator mount for disc drives
MAGNETIC PERIPHERALS INC25 citations92
US4899234AFeb 6, 1990
Adaptive velocity profile for disk actuator control
MAGNETIC PERIPHERALS INC40 citations92
US4868694ASep 19, 1989
Flexure for rotary actuated arm
MAGNETIC PERIPHERALS INC49 citations92
US4850157AJul 25, 1989
Apparatus for guiding the flow of abrasive slurry over a lapping surface
MAGNETIC PERIPHERALS INC25 citations92
US4835361AMay 30, 1989
Laser machining for producing very small parts
MAGNETIC PERIPHERALS INC37 citations92
US4821461AApr 18, 1989
Textured lapping plate and process for its manufacture
MAGNETIC PERIPHERALS INC45 citations92
US4814908AMar 21, 1989
Thermo servo for track centering on a disk
MAGNETIC PERIPHERALS INC51 citations92
US4811135AMar 7, 1989
Tri-phase servo pattern for providing information for positioning the transducers of a magnetic disk storage drive
MAGNETIC PERIPHERALS INC33 citations92
US4748525AMay 31, 1988
Probe head for vertical recording
MAGNETIC PERIPHERALS INC40 citations92
US4662830AMay 5, 1987
Quiet centrifugal fan
MAGNETIC PERIPHERALS INC26 citations92
US4535375AAug 13, 1985
Magnetoresistive head
MAGNETIC PERIPHERALS INC31 citations92
US4462095AJul 24, 1984
Moving diffraction grating for an information track centering system for optical recording
MAGNETIC PERIPHERALS INC40 citations92
US4410341AOct 18, 1983
Fluid filter cartridge
MAGNETIC PERIPHERALS INC37 citations92
US4333117AJun 1, 1982
Disc head arm position controller using digital velocity sensing
MAGNETIC PERIPHERALS INC49 citations92
US5118577AJun 2, 1992
Plasma treatment for ceramic materials
MAGNETIC PERIPHERALS INC24 citations91
US4942609AJul 17, 1990
Electronic flying integrity tester for disk drives
MAGNETIC PERIPHERALS INC34 citations91
US4931338AJun 5, 1990
Test disk having fluorocarbon resin asperities for magnetic disk drive component testing
MAGNETIC PERIPHERALS INC26 citations91
US4891723AJan 2, 1990
Multiple stage heat shielding for transducer support arm
MAGNETIC PERIPHERALS INC23 citations91
US4863809ASep 5, 1989
Surface treatment for sliders and carbon coated magnetic media
MAGNETIC PERIPHERALS INC46 citations91
US4841398AJun 20, 1989
Non linear magnetoresistive sensor
MAGNETIC PERIPHERALS INC33 citations91
US4833559AMay 23, 1989
Capacitor multiplexing for magnetoresistive heads
MAGNETIC PERIPHERALS INC25 citations91
US4624564ANov 25, 1986
Calibration standards for flying height testers
MAGNETIC PERIPHERALS INC31 citations91
US4517041AMay 14, 1985
Method for attaching a workpiece to a workpiece carrier
MAGNETIC PERIPHERALS INC32 citations91
US4477968AOct 23, 1984
Method for using a machining sensor
MAGNETIC PERIPHERALS INC36 citations91
US4457114AJul 3, 1984
Workpiece carrier
MAGNETIC PERIPHERALS INC43 citations91
US4860135AAug 22, 1989
Thermal compensation mechanism for magnetic disk drive data storage units
MAGNETIC PERIPHERALS INC31 citations90
US4810520AMar 7, 1989
Method for controlling electroless magnetic plating
MAGNETIC PERIPHERALS INC279 citations90
US4677507AJun 30, 1987
Digital velocity control for a disk drive servo system
MAGNETIC PERIPHERALS INC28 citations90
US4642246AFeb 10, 1987
Process for chemically bonding a lubricant to a magnetic disk
MAGNETIC PERIPHERALS INC31 citations90
US4620251AOct 28, 1986
Magnetic transducer support structure
MAGNETIC PERIPHERALS INC46 citations90
US4400654AAug 23, 1983
Digital speed control for a brushless DC motor
MAGNETIC PERIPHERALS INC34 citations90
US4328521AMay 4, 1982
Gimbal spring retainer
MAGNETIC PERIPHERALS INC32 citations90
US4923406AMay 8, 1990
Spindle motor flex cable
MAGNETIC PERIPHERALS INC46 citations89
US4890287ADec 26, 1989
On-the-fly error correction
MAGNETIC PERIPHERALS INC27 citations89
Showing the top 50 of 167 patents by PatentIndex Score.