Hoa T. Nguyen

US Patent 7088538 Adaptively estimating a read access time to a second track based upon the binned radial position of the second track within a rotating media storage device

US Patent 7092191 Magnetic tape transport system generating air pressure between magnetic heads

US Patent 7092193 Dynamically adjustable head disk spacing slider using thermal expansion

US Patent 7092194 Method of calibrating magnetic storage medium bi-directional recording head

US Patent 7095579 Disk drive employing momentum based unload during power failure

US Patent 7095591 Head slider having microactuator

US Patent 7099100 Apparatus and method for controlling head loading in disk drive

US Patent 7099102 Multiple format magnetic storage media drive

US Patent 7099257 Data overwriting in probe-based data storage devices

US Patent 7102844 Dual direction integrator for constant velocity control for an actuator using sampled back EMF control

US Patent 7106538 Library apparatus

US Patent 7106545 Method and apparatus for servowriting in a disk drive

US Patent 7106546 System for controlling the speed of a voice coil motor (VCM) in order to provide a low noise ramp loading of a hard disk head

US Patent 7106548 Methods for WORF improvement in conditional servowriting

US Patent 7106550 Data storage method and apparatus employing a tape cartridge having a cartridge memory

US Patent 7106552 Method for secondary-actuator failure detection and recovery in a dual-stage actuator disk drive

US Patent 7110205 Method for controlling start of adaptive spindle motor and disk drive using the method

US Patent 7113362 Servo writing a disk drive by processing spiral tracks in an interleaved manner

US Patent 7116507 Storage system having a power source state detection unit

US Patent 7116513 Positioning transducers based on a compensation scheme that varies based on transducer vibrational state

US Patent 7116514 Methods and systems for magnetic recording

US Patent 7116622 Optical storage device rotation speed control apparatus and method

US Patent 7119981 Method and apparatus for tracking radially-dependent repeatable run-out

US Patent 7120919 Disk holding device for optical disk reading device

US Patent 7123435 Method and apparatus for overwriting data in a disk drive

US Patent 7126773 Write precompensation method for perpendicular magnetic recording

US Patent 7126783 Disk drive apparatus, servo control circuit, method of manufacturing recording medium, magnetic recording medium, and method of checking recording medium

US Patent 7126789 Low DC coil resistance planar writer

US Patent 7130147 Magnetic recording/reproducing apparatus

US Patent 7130158 Head arm of magnetic disk device

US Patent 7133239 Methods and apparatuses for writing spiral servo patterns onto a disk surface

US Patent 7134127 Disk player

US Patent 7136248 Spindle speed control using feed-forward estimation in a hard disk drive

US Patent 7136252 Magnetic recording and reproducing apparatus with recording layer having predetermined convex-concave pattern

US Patent 7136256 Head positioning control method for a storage device and head positioning control device

US Patent 7139150 Method and system for head position control in embedded disk drive controllers

US Patent 7140031 Optical disc loading apparatus

US Patent 7149049 Optical apparatus for tracking a magnetic tape

US Patent 7154696 Tunable fly height using magnetomechanical effect in a magnetic head

US Patent 7158335 Method for resonance identification in hard disk drives

US Patent 7158336 Window timing adjustment for spiral bursts

US Patent 7158468 Optical system for optical head

US Patent 7161760 Reproducing apparatus and reproducing method for reproducing data by scanning slant tracks using a plurality of reproducing heads

US Patent 7161762 Magnetic recording and reproduction apparatus

US Patent 7162725 Disc centering device

US Patent 7164555 Magnetic head with heater of thermal flying height control

US Patent 7167336 Method for providing variable gain, iterative embedded runout correction in a disk drive

US Patent 7173787 Apparatus and method for controlling disk drive spin up

US Patent 7177113 Magnetic recording disk drive with switchable rotational vibration cancellation

US Patent 7180696 Methods for selective multi-pass servowriting and self-servowriting

US Patent 7180700 Cassette library device

US Patent 7184235 Power management in operating recording media

US Patent 7184241 Disk drive that performs cold writes to erased buffer

US Patent 7187521 Thin-film magnetic head, head gimbal assembly, and hard disk drive

US Patent 7188351 Disc cartridge

US Patent 7190545 Use of offline servo track writer together with single pass servo writing process

US Patent 7194747 Disc apparatus

US Patent 7199962 Systems using extended servo patterns with multi-pass servowriting and self-servowriting

US Patent 7199976 Reel lock mechanism of tape cassette and tape cassette

US Patent 7199981 High reliability-parallel data transfer hard disk drive

US Patent 7203021 Self-heating disk drive

US Patent 7203022 Disk device, and positioning control method and signal-processing circuit for head

US Patent 7203029 Method and apparatus for controlling track seek servo of disk drive

US Patent 7206171 Method for correcting a static posture of a head portion and a static posture correcting apparatus

US Patent 7207052 Recording medium cartridge and recording and reproducing device

US Patent 7209321 Disk drive pulse width modulating a voice coil motor using model reference current feedback

US Patent 7215502 Magnetic recording and reproducing apparatus with trapeziodal write pole tip to avoid overwriting adjacent tracks

US Patent 7219358 Lens drive device having metal wire-like elastic members, and method for manufacturing the same

US Patent 7221535 Magnetic recording and reproduction apparatus

US Patent 7221544 Magnetic recording apparatus and magnetic head

US Patent 7227719 Thin film magnetic head and method of manufacturing the same

US Patent 7228553 Optical pickup actuator and optical recording and/or reproducing apparatus employing the same

US Patent 7236330 Disk head stability system

US Patent 7242555 Inertial latching mechanism for disk drive actuator

US Patent 7248430 Magnetic recording and reproduction apparatus

US Patent 7248446 Magnetoresistive element using an organic nonmagnetic layer

US Patent 7248552 Method and apparatus for determining recording pulse parameters for an optical disc

US Patent 7249363 Spindle motor, information recording and reproducing apparatus having a spindle motor, and manufacturing method of spindle motor

US Patent 7251104 Recording medium cartridge

US Patent 7251817 Disk transfer device

US Patent 7256967 Micro-actuator, head gimbal assembly, disk drive unit and manufacturing method thereof

US Patent 7256968 Microactuated dimple for head suspensions

US Patent 7262940 Separate read/write magnetic head

US Patent 7268971 Magnetic head apparatus and drive apparatus including magnetic head apparatus

US Patent 7268977 Capping layers with high compressive stress for spin valve sensors

US Patent 7268980 Magnetic head having self-pinned CPP sensor with multilayer pinned layer

US Patent 7272839 Storage medium library and storage medium magazine

US Patent 7274536 Tape head read/write module

US Patent 7293274 Disk player

US Patent 7304818 Preconditioning an elastomeric stop member for use as a reference position

US Patent 7307810 Method of compensating for track address discontinuity across servo track writing boundary in hard disk drives

US Patent 7310200 Resonance response separation for axially aligned rotatable discs

US Patent 7313080 Information recording medium and its production method, and optical information recording reproducing apparatus

US Patent 7319568 Magnetic recording media, magnetic recording apparatus, and stamper

US Patent 7321543 Optical information recording medium

US Patent 7324426 Optical information recording medium

US Patent 7333403 Carousel changer including a turntable having a plurality of trays

US Patent 7336436 Head gimbal assemblies for very low flying height heads with optional micro-actuators in a hard disk drive

US Patent 7336570 Apparatus and method for adjusting the tilt angle of an optical pickup device

US Patent 7336592 Optical information recording medium

US Patent 7339760 Integrated bias and offset recovery amplifier

US Patent 7342737 Off track write protection using filtered position error signal

US Patent 7342864 Optical disk reproduction apparatus and optical disk reproduction method

US Patent 7349171 Method for measuring actuator velocity during self-servo-write

US Patent 7349173 Self-tuning settle controller in hard disk drives

US Patent 7349303 Information recording method and apparatus

US Patent 7349317 Information recording method, information recording medium and information recording apparatus

US Patent 7349318 Information recording method, information recording medium and information recording apparatus

US Patent 7352675 Information recording method, information recording medium and information recording apparatus

US Patent 7353524 Disk drive with airflow channeling enclosure

US Patent 7355945 Optical pickup adjusting apparatus and adjusting method

US Patent 7355951 High density data recording/reproduction method utilizing electron emission and phase change media, and data recording system adopting the same, and media for the system

US Patent 7359135 Dynamically adapting a magnetic tape read channel equalizer

US Patent 7362529 Disk drive with variable density data tracks

US Patent 7365928 Write driver with improved boosting circuit and interconnect impedance matching

US Patent 7372651 Introducing a noise signal into a read-back signal when data is written to a removable data storage medium

US Patent 7372653 Degauss waveform generator for perpendicular recording write head

US Patent 7372659 Head position control method, head position control device and disk device

US Patent RE40329 Single objective lens for use with CD or DVD optical disks

US Patent 7375913 Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension

US Patent 7375915 Disk drive that varies the power to a slider mover during transitions between drive operations

US Patent 7375916 Magnetic recording disk drive with multiple feedforward controllers for rotational vibration cancellation

US Patent 7376070 Optical information recording medium and method for manufacturing the medium

US Patent 7382566 Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method

US Patent 7382569 Progressive track width head and method

US Patent 7385780 Online identification of secondary actuator transfer function via system decoupling in multiple-stage actuator servo systems in disk drives

US Patent 7391585 Method for reducing occurrences of tape stick conditions in magnetic tape

US Patent 7391707 Devices and methods of detecting movement between media and probe tip in a probe data storage system

US Patent RE40414 Optical pickup apparatus

US Patent 7394612 Third order curve fit for head skew in a hard disk drive

US Patent 7394732 Object lens drive device, and disc recording and/or reproducing apparatus

US Patent 7394736 Dynamic speed control method for storage device

US Patent 7397621 Servo pattern characterization on magnetic disks

US Patent 7400468 Vibration detector for hard disk drives

US Patent 7405894 Frequency, phase, and gain estimation technique for use in a read channel receiver of a hard disk drive

US Patent 7405895 Recording-reproducing apparatus and method of detecting dew condensation in recording-reproducing apparatus

US Patent 7405897 Single-pass self-servowriting method and system employing a low sector rate startup procedure

US Patent 7408733 Magnetic disk drive and magnetic disk medium

US Patent 7411759 Detection and measurement of position error signal linearity in timing based servo patterns using differential nonlinearity

US Patent 7414803 Write protected magnetic storage media and associated methods

US Patent 7414808 Apparatus and method for adaptively adjusting recording density of a disk utilizing a trapezoidal shaped magnetic head

US Patent 7414813 Vibration damped flexible circuit for use in a hard disk drive

US Patent 7417820 Head support mechanism, magnetic head assembly, and magnetic disk drive apparatus

US Patent 7420758 Head system, recording and reproduction system, and magnetic recording method

US Patent 7420911 Information recording carrier and information reproducing apparatus for the same

US Patent 7423827 Systems and methods for accessing data from a variable polarity head assembly

US Patent 7423830 Detecting head/disk contact in a disk drive using a calibration parameter

US Patent 7423833 Servo loop employing correction vector from a secondary disturbance sensor to minimize correlation between servo loop error and disturbance sensor output

US Patent 7423836 Settling judgment method for position control device and position control device

US Patent 7428117 Servo signal inspecting device and method for inspecting servo signal

US Patent 7430084 Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector

US Patent 7430088 Retracting method of hard disk drive, hard disk drive adopting the method, and recording medium storing program for executing the method

US Patent 7430089 Data storage device and write processing method for data storage device

US Patent 7433140 Recording and playback apparatus, recording controlling method, and recording medium

US Patent 7433141 Data randomization for rewriting in recording/reproduction apparatus

US Patent 7433143 Adjusting track density by changing slope of spiral tracks used to servo write a disk drive

US Patent 7433146 Method for reducing occurrences of tape stick conditions in magnetic tape

US Patent 7436610 Disk drive employing different zone boundaries across disk surfaces

US Patent 7436614 Data storage device and data storage device control

US Patent 7436615 Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal

US Patent 7440207 Magnetic-transfer method, magnetic recording medium, and magnetic recording device

US Patent 7440222 Magnetic recording apparatus and positioning correction method

US Patent 7440223 Written-in repeatable run-out correction for hard disk drives

US Patent 7440360 Apparatus and method for retrieving data related to a data cartridge in a media storage system

US Patent 7443622 Magnetic recording medium, magnetic recording/reproducing apparatus, and stamper for manufacturing the magnetic recording medium

US Patent 7443626 Patterned disk medium for vertical magnetic recording, and magnetic disk drive with the medium

US Patent 7443630 Apparatus, system, and method for writing magnetically encoded data to discrete lands

US Patent 7446969 Thermally assisted recording system

US Patent 7447133 Recording medium for storing write protection information and write protection method thereof

US Patent 7453665 Method of adjusting magnetic head of magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing apparatus

US Patent 7457072 Disk drive with head fly-height compensation for disk surface variations

US Patent 7457073 Disk drive that controls heater current according to rotational speed

US Patent 7460324 Head amplifier circuit with function for degaussing residual magnetism of recording head

US Patent 7463445 Method of controlling track seek in HDD and a recording medium therefor

US Patent 7463566 Optical recording medium read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor

US Patent 7466636 Method for generating a corrected error signal, and corresponding apparatus

US Patent 7468857 Acceleration feed-forward correction enabled or disabled based on track follow loop signals

US Patent 7471485 Method and system for head position control in embedded disk drive controllers

US Patent 7474485 Magnetic disk medium, magnetic disk drive, and method for detecting rotational position of magnetic disk medium

US Patent 7474491 Adaptive write unsafe thresholds for self servo writing

US Patent 7474493 Alternative DC-burst servo pattern for perpendicular recording

US Patent 7477469 Active protection system

US Patent 7477470 Controlling head flying height based on head heater resistance

US Patent 7480117 High areal density tape head

US Patent 7480226 Optical disc recording/reproducing apparatus and optimum bias power decision method therefor

US Patent 7483231 Apparatus, system, and method for redundant identification of a storage medium format

US Patent 7483233 Method and apparatus for driving VCM unloading HDD head

US Patent 7486460 Disk drive with enhanced storage capacity increase ratio

US Patent 7489460 Magnetic data read circuit and card processing unit

US Patent 7489465 Apparatus, system, and method for timing based servo tape formating

US Patent 7489468 Method and apparatus for head positioning control in a disk drive

US Patent 7489600 Object lens driving device with reduced tilt during focusing and tracking operations and optical pickup and optical disk drive utilizing the same

US Patent 7492545 Method and system for automatic time base adjustment for disk drive servo controllers

US Patent 7495859 Interleaved servo pattern

US Patent 7499233 Multi-phase control information detection and signal polarity determination

US Patent 7502187 Address mark detection

US Patent 7502189 Apparatus, signal-processing circuit and device for magnetic recording system

US Patent 7508611 Disk drive clock circuit that adjusts clock edge timing in response to servo information and methods thereof

US Patent 7508740 Information recording method, information recording apparatus, information recording program and recording medium storing information recording program

US Patent 7511906 Disk device and method of controlling the disk device

US Patent 7511910 Asymmetry correction in read signal

US Patent 7511911 Storage system having a power source state detection unit

US Patent 7511913 Stable time domain radial self-servo write propagation

US Patent 7515371 Channel postamble extension to de-gauss pole tips

US Patent 7515377 Storage apparatus and control method for detecting vibration produced during seeking

US Patent 7522363 Medium storage device and medium rotation synchronization processing method for medium storage device

US Patent 7522371 Servo track having periodic frames of tone field and embedded synchronization marks

US Patent 7522372 Servo track having periodic frames of tone field and embedded synchronization marks

US Patent 7522511 Method for mechanical data storage device operation and control

US Patent 7525746 DC-offset compensation loops for magnetic recording system

US Patent 7525747 Data storage device, data storage control circuit, and control method for magnetic disk drive

US Patent 7525752 Media drive and control method for the same

US Patent 7525888 Optical information recording medium, an optical information recording apparatus, an information processing apparatus, program and information recording method

US Patent 7529050 Track width measurement for magnetic recording heads

US Patent 7529054 Adaptive recording band expansion methodology

US Patent 7529057 Servo loop employing correction vector from a secondary disturbance sensor to minimize correlation between servo loop error and disturbance sensor output

US Patent 7532419 Apparatus and method for writing and reproducing data

US Patent 7532422 Method and system for distinguishing spatial and thermal defects on perpendicular media

US Patent 7532424 Method of writing pattern on media and data storage device

US Patent 7532425 Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium

US Patent 7535664 Performance enhancement for tape write immediate operations

US Patent 7535670 Flow or windage control for a cantilevered head assembly

US Patent 7535818 Information recording carrier and information reproducing apparatus for the same

US Patent 7538962 Media event timer and methods for use therewith

US Patent 7538963 System, method, and apparatus for monitoring stray magnetic fields and protecting disk drives therefrom

US Patent 7539121 Optical recording medium and process for producing the same

US Patent 7542394 Optical information recording device for detecting information during recording and method therefor

US Patent 7545595 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle

US Patent 7545597 Recording/reproducing method of magnetic tape

US Patent 7545723 Holographic recording medium, method for manufacturing the same, and holographic recording-reproducing system

US Patent 7548389 Asymmetry correction in read signal

US Patent 7548395 Progressive track width head and method

US Patent 7548503 Recording medium, information recording apparatus, information recording method, information recording medium, and recording program

US Patent 7551379 Write element before read element with early servo termination on write

US Patent 7551383 Adjusting voltage delivered to disk drive circuitry based on a selected zone

US Patent 7551388 Fall detection device and magnetic disk drive

US Patent 7554757 Magnetic storage write heads using micro-electro mechanical shutters

US Patent 7554760 Recording/reproducing apparatus and method of measuring a parameter

US Patent 7558012 Read/write channel embedded on-chip optimization

US Patent 7558187 Apparatus and method of initializing phase-change optical disk

US Patent 7561361 Dynamic synchronization of timing signals

US Patent 7564638 Preamplifier circuit and method for a disk drive device

US Patent 7564763 Optical arrangement

US Patent 7567397 Adjacent Track Interference (ATI) identification methodology

US Patent 7567399 Signal processing method, signal processing circuit and information recording/regenerating apparatus

US Patent 7567400 Method and apparatus for improving the error rate of track information on a magnetic storage device

US Patent 7567404 Method for measuring actuator velocity during self-servo-write

US Patent 7567493 Multilayer recording medium and method of manufacturing the same

US Patent 7567495 Optical pickup apparatus and optical disc apparatus using same

US Patent 7570446 Disk drive with improved format efficiency and control method thereof

US Patent 7570449 Retract control method of HDD and HDD using the same

US Patent 7570570 Optical disk drive

US Patent 7573664 Integrated multiple channel data reliability testing for a magnetic tape drive

US Patent 7573665 Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML Viterbi detector

US Patent 7573667 Servo information write method and apparatus

US Patent 7573793 Power determining method in optical disk recording apparatus having a plurality of pickups

US Patent 7573803 Optical recording disc

US Patent 7580215 Disk drive apparatus and imaging apparatus having the disk drive apparatus for controlling a state thereof based on a detected temperature

US Patent 7580219 Controlling seeks using non-linear switching curves

US Patent 7583458 Channel optimization metrics

US Patent 7583460 Edge controlled fast data pattern generator

US Patent 7595949 Method for active cancellation of write-to-read crosstalk

US Patent 7599145 Storage medium device, deformation controller and head slider

US Patent 7602572 Stability margins and error recovery in servo control systems

US Patent 7606122 Layer-jumping and focusing control method

US Patent 7606132 Cantilever-type near-field probe for optical data storage and method of manufacturing the same

US Patent 7607144 Method for detecting size of the optical disk and ejecting optical disk

US Patent 7612960 Method for formatting data sectors on magnetic disk, and magnetic disk drive

US Patent 7613081 Control of stepper motor in an optical disc

US Patent 7613090 Apparatus and method for controlling tilt in optical disc device

US Patent 7613100 Optical pickup device and focus control method therefor

US Patent 7616398 Fly height adjustment device calibration

US Patent 7616399 Disk drive servo control techniques to preserve PES continuity

US Patent 7616533 Optical disc apparatus and access control method of the same

US Patent 7616540 Apparatus for and method of recording and reproducing information

US Patent 7619960 Optical pickup device

US Patent 7623318 Noise reduction in same-gap servo in frequency-based servo tape systems

US Patent 7623418 Reproducing apparatus having an opening operation

US Patent 7626779 Disk drive in which dynamic fly height of head is adjusted, and method of adjusting the dynamic fly height of the head

US Patent 7626894 Heat assisted magnetic recording light delivery with fixed laser and rotating mirror

US Patent 7626895 Removable media battery pack for powering a media accessor of an automated data-storage library

US Patent 7626905 Method and device for protecting a slicer in reading signals on a defect disc

US Patent 7626910 Optical information recording medium for holographic recording and method of holographic recording in optical information recording medium

US Patent 7626915 Phase-change optical recording medium and recording and reproducing method thereof

US Patent 7630159 Resistance mode comparator for determining head resistance

US Patent 7633698 Controlling a write inhibit threshold based on vibration

US Patent 7633705 Method and apparatus for determining disk-runout information in a disk drive

US Patent 7639445 Disk drive device and head positioning control method

US Patent 7639446 Disk drive device and servo write method

US Patent 7639447 Servo track squeeze compensation in a disk drive

US Patent 7646558 Positioning system and method for a transducer head

US Patent 7646562 Data storage tape cartridge and system including an intermediate portion having a servo pattern

US Patent 7646698 Wobble information recording method, information recording medium, and recording and reproduction method and apparatus thereof

US Patent 7649823 Method for recording asynchronously produced digital data codes, recording unit used for the method, method for reproducing the digital data codes, playback unit used for the method and information storage medium

US Patent 7652974 Information recording carrier and information reproducing apparatus for the same

US Patent 7656607 Disk drive comprising a servo accelerator employing a dual state variable memory

US Patent 7660070 Quiet high performance seek procedure for disk drives

US Patent 7663983 Optical information storage medium and optical information storage medium reproducing apparatus

US Patent 7667921 Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension

US Patent 7668065 Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method

US Patent 7675705 Method and apparatus for writing servo pattern using spiral pattern in disk drive

US Patent 7675837 Device and method for mechanical data storage device operation and control

US Patent 7679857 Non-contact measurement of slider fly height by electrostatic force

US Patent 7680009 Optical disc reproducing apparatus performing equalizer adjustment

US Patent 7684289 Actuator for optical pickup, optical pickup, and apparatus for reading or recording information

US Patent 7688538 Disk drive comprising a disk surface having track addresses of varying width

US Patent 7688684 Heat-assisted magnetic recording head and recording apparatus including the same

US Patent 7688704 Multilayer optical disc having disc information

US Patent 7697229 Method and system for writing information to a tape cartridge

US Patent 7697232 Storage device and storage device controller including feature for causing thermal protrusion phenomenon in the head during startup period of device

US Patent 7697234 Storage apparatus, control method, and control device which enable or disable compensation control

US Patent 7697389 Recording medium for storing write protection information and write protection method thereof

US Patent 7706100 Storage apparatus, storage control circuit, and head-position-displacement measuring method

US Patent 7706223 Apparatus for and method of detecting a wobble signal in accordance with a time shift

US Patent 7706236 Optical pickup and optical disc apparatus including a multi-section diffractive element

US Patent 7715299 Objective optical system, optical pickup apparatus and optical information recording/reproducing apparatus with diffraction structure and optical path difference-generating structure

US Patent 7719944 Method and apparatus for recording information on optical recording medium with compensation for thermal effects in ultra-high-density optical recording and reproducing system

US Patent 7738344 Liquid crystal lens element optical head device

US Patent 7746737 Information recording medium, apparatus for recording and/or reproducing data on and/or from information recording medium, method of recording and/or reproducing data on and/or from information recording medium, and computer-readable recording medium storing program for executing the method

US Patent 7751301 Information recording carrier and information reproducing apparatus for the same

US Patent 7755996 Method for adjusting write strategy

US Patent 7760460 Head integrated circuit and storage apparatus including the same

US Patent 7760463 Multiple disks in a single disk package

US Patent 7764456 Method for reducing occurrences of tape stick conditions in magnetic tape

US Patent 7764586 Aberration correcting apparatus, optical pickup, and aberration correcting method

US Patent 7768738 Mitigating the effects of disturbances of a disk drive

US Patent 7768880 Reproducing apparatus, and method of adjusting spherical aberration correction and focus bias

US Patent 7773481 Recording method and optical disc apparatus

US Patent 7785689 Raw material conserving optical data storage media

US Patent 7787207 Head control method, control device, and storage device

US Patent 7791990 Data buffering method used when performing read operation on optical storage medium

US Patent 7796477 Optical pick-up device having object lenses for correcting comatic aberration

US Patent 7800855 Disk drive and calibration method therefor

US Patent 7804659 Method and apparatus for positioning head using spiral servo pattern in a disk drive

US Patent 7808740 Magnetic disk drive and control method thereof

US Patent 7808741 Head slider and disk drive device

US Patent 7817522 Recording clock generation apparatus

US Patent 7821886 Method and apparatus for controlling a disc seek operation based on a detected abnormality

US Patent 7826163 Large shock particle mitigation

US Patent 7826165 Servo signal recording apparatus

US Patent 7826329 Multi-layered media aberration compensation apparatus, method, and system

US Patent 7830634 Head-disk contact detection and work function difference determination

US Patent 7835103 Tape drive with variable wrap reversal location

US Patent 7852593 Method and apparatus for writing servo data, using spiral servo patterns in a disk drive

US Patent 7852729 Optical disc apparatus with adjustable constraint length PRML

US Patent 7855850 Method and apparatus for head positioning using spiral servo patterns in a disk drive

US Patent 7872825 Data storage drive with reduced power consumption

US Patent 7872951 Actuator for optical pickup

US Patent 7876522 Disk drive updating estimate of voice coil resistance to account for resistance change prior to unload operation

US Patent 7881009 Positioning of plants in servo systems

US Patent 7885033 Anticipatory track switching

US Patent 7889453 Repeated runout error compensation using iterative feedback

US Patent 7889617 Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method

US Patent 7894315 Optical disk, recording method, recording medium, and optical disk unit, for recording information on multilayer optical disk

US Patent 7898762 Disk drive excluding servo sub-bursts when computing position error signal

US Patent 7898911 Optical pickup apparatus equipped with a lens angle adjusting member and a semiconductor laser element

US Patent 7898914 Optical disk recording apparatus and method of forming visible image on optical disk

US Patent 7903363 Same Wrap backhitchless write method to encode data on a tape storage medium

US Patent 7907478 Drive device

US Patent 7911894 Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects

US Patent 7911900 Write-once optical disc, and method and apparatus for recording management information on the write-once optical disc

US Patent 7911924 Information recording carrier and information reproducing apparatus for the same

US Patent 7916583 Optical disk reproducing device having an intermittent reproducing unit

US Patent 7920350 Adaptive data recovery procedure based on radial positioning

US Patent 7920454 Optical recording medium, and method and apparatus for optical recording and reproducing thereof

US Patent 7924661 Track-jump control system and method for maintaining track-jump stability

US Patent 7924681 Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method

US Patent 7924683 Optical pickup apparatus with objective optical system and guiding optical system

US Patent 7929238 Disk drive seeking with a fixed rate clock when crossing servo zones to facilitate zoned servo sectors

US Patent 7933180 Optical information reproducing method and apparatus for performing reproduction compensation

US Patent 7933186 Method for manufacturing optical disk master, method for manufacturing optical disk, and apparatus for manufacturing optical disk master

US Patent 7936530 Method to write ramp-track

US Patent 7936644 Optical pickup device and information processing apparatus incorporating the optical pickup

US Patent 7936661 Optical information recording medium

US Patent 7940623 Methods and devices for recording marks in an information layer of an optical record carrier, and record carriers for use therein

US Patent 7940630 Optical pick up apparatus with a single beam system and having a diffraction grating

US Patent 7944785 Optical disc recording/reproducing apparatus and focus-servo method thereof

US Patent 7948705 Method of making a multi-channel time based servo tape media

US Patent 7948707 Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head

US Patent 7957090 Seek control apparatus and method for generating control data for seek control

US Patent 7957229 Optical disc controller and optical disc drive system using error correction codes

US Patent 7961421 Servo band identification and initial skew estimation in drives having flangeless rollers and systems thereof

US Patent 7961583 Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method

US Patent 7965608 Holographic storage medium, and apparatus for recording/reproducing data on/from the holographic storage medium

US Patent 7965611 Optical disk apparatus and starting method thereof

US Patent 7974038 Servo writer with retract capacitor for generating a VCM driving current during a power failure

US Patent 7974173 Optical device for holographic recording or reading and method for controlling the same

US Patent 7974174 Transformer for determining the state of a variable resistive layer in a material stack

US Patent 7978574 Optical information recording method, optical information recording apparatus, and optical information recording medium

US Patent 7978578 Optical disc device and defect detection method for optical disc medium

US Patent 7978579 HD DVD wobble detection circuit

US Patent 7986483 Speed control systems and methods for decreasing power consumption in rotating storage devices

US Patent 7986487 Harmonic sensor

US Patent 7995305 Calibrating voice coil motors

US Patent 7995426 Optical disk apparatus and method

US Patent 7995438 Reproducing method, optical disk apparatus, program and computer readable information recording medium

US Patent 8000053 Write jog value determination for a disk drive

US Patent 8000179 Optical disc including two different sets of sectors having identical IDs

US Patent 8000182 Integrated circuit for optical disc

US Patent 8000191 Method for collecting text from musical disc

US Patent 8000203 Apparatus for recording information onto surface using electron beam

US Patent 8000218 Recording medium, recording method, and recording apparatus

US Patent 8004787 Method and system for servo track write

US Patent 8009379 Method, apparatus and program storage device for dynamically adjusting the write current in each head to compensate for variation in disk drive and environmental parameters

US Patent 8009381 Method and system for manufacturing a hard-disk drive

US Patent 8009527 Optical pickup device

US Patent 8009544 Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device