Allen T Cao

US Patent 7391591 Magnetic head having a notched pole piece structure and method of making the same

US Patent 7397636 GMR head design that suppresses tribocharge during its assembly

US Patent 7401341 Disc device

US Patent 7403356 Disk drive including slider mover having low thermal coefficient of resistivity

US Patent 7405903 Structure of installing information processor

US Patent 7408742 Magnetic head slider and method of fabricating magnetic head slider

US Patent 7409696 Opening actuator for video disc player

US Patent 7409697 Electronic apparatus including disk device

US Patent 7411765 CPP-GMR sensor with non-orthogonal free and reference layer magnetization orientation

US Patent 7412712 Flexible mounts for parallel shafts on an extension mechanism

US Patent 7414817 Magnetoresistive sensor having a laminated hard magnet structure for free layer biasing

US Patent 7417824 Perpendicular magnetic recording head where main magnetic pole having inclined surface is formed and method of manufacturing the same

US Patent 7418721 Apparatus for aligning and clipping different size compact discs for disc device

US Patent 7418726 Illuminated devices using UV-LED's

US Patent 7420766 Video cassette recorder

US Patent 7421717 Optical disc reading apparatus with multiple loading/ejecting approaches

US Patent 7421719 Disc recording/reproducing apparatus

US Patent 7421722 Optical disc apparatus

US Patent 7423839 Low power support pads for moment loading and associated methods

US Patent 7424727 Disk array device and disk array device housing

US Patent 7426092 Magnetic head and magnetic disk storage apparatus mounting the head

US Patent 7428126 Domain wall free shields of MR sensors

US Patent 7434238 Optical disc apparatus

US Patent 7434239 Disc player with opening and closing mechanism

US Patent 7434241 Recording and reproducing apparatus of thin optical disc

US Patent 7436636 Dual CPP GMR sensor with in-stack bias structure

US Patent 7437744 Loading apparatus for disc drive

US Patent 7437747 Clamping device for optical disc apparatus

US Patent 7441259 Optical recording media cartridge

US Patent 7446975 Servo writer

US Patent 7446977 Recording heads having electrical pads on multiple surfaces

US Patent 7450343 Device, apparatus and method for removing particulate contamination from the trailing edge of a hard disk drive air bearing

US Patent 7450344 Remelted Magnetic head support structure in a disk drive

US Patent 7451466 Feeding mechanism for pickup head

US Patent 7453666 Magnetic disk drive device and method of manufacturing the same

US Patent 7458088 Intermediate for optical recording medium and method of manufacturing the optical recording medium

US Patent 7460338 Wiring component and magnetic recording drive for high data-rate recording

US Patent 7460342 Method to form tapered magnetic shield for perpendicular recording head

US Patent 7466524 Self-pinned spin valve sensor having its first AP pinned layer thicker than its second AP pinned layer to reduce the likelihood of amplitude flip

US Patent 7467397 Disc player

US Patent 7468862 Magnetic head for perpendicular magnetic recording

US Patent 7468866 Flexible printed circuit for head gimbal assembly

US Patent 7471487 Recording medium cartridge

US Patent 7474502 Rotor hub, motor, and recording disk driving device

US Patent 7480122 Magnetic detecting device having free layer or pinned layer formed by lamination of magnetic alloy and Cu layer and method of manufacturing magnetic detecting device

US Patent 7480923 Drive bezels for computer storage systems

US Patent 7480925 Optical disc apparatus

US Patent 7483240 Pivotable head brush assembly for cleaning read/write heads in a media tape drive

US Patent 7483241 Recording tape cartridge

US Patent 7484227 Protection of operation of disc drive against the application of external oscillation

US Patent 7486485 Perpendicular hard disk drive resistive against external magnetic field

US Patent 7486486 Magnetic device to reduce reversal current in current-driven magnetic reversal and magnetic memory using same

US Patent 7487517 Optical disc access control and storage apparatus

US Patent 7489474 Magnetic head having a notched pole piece structure

US Patent 7489480 Laminated actuator arm in a hard disk drive

US Patent 7490335 Disk tray and disk drive

US Patent 7490336 Computer and optical drive thereof

US Patent 7490338 Disc device

US Patent 7492553 Suspension, head gimbal assembly with a multilayered and reinforced suspension and disk drive apparatus with head gimbal assembly

US Patent 7493634 Music memorabilia

US Patent 7495871 Top formed grating stabilizer

US Patent 7496936 Disk apparatus

US Patent 7496939 Energy delivery mechanism

US Patent 7496940 Traverse module for disc apparatus with tilt adjustable spindle motor

US Patent 7499246 Magnetic head device

US Patent 7502210 CPP magnetic detecting device containing NiFe alloy on free layer thereof

US Patent 7505235 Method and apparatus for providing magnetostriction control in a freelayer of a magnetic memory device

US Patent 7508627 Method and system for providing perpendicular magnetic recording transducers

US Patent 7515385 Band pivot bearing

US Patent 7516462 Transmission mechanism for disk driving system

US Patent 7516463 Electronic apparatus

US Patent 7516465 Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider

US Patent 7518833 Micro-actuator with electric spark preventing structure, HGA, and disk drive unit with the same, and manufacturing method thereof

US Patent 7522379 Write element with recessed pole and heat sink layer for ultra-high density writing

US Patent 7522388 Magnetoresistance effect element having a lower magnetic layer formed over a base substrate through a transition metal oxide layer having a predetermined orientation plane

US Patent 7525763 Head gimbal assembly with particle filter device, and disk drive unit with the same

US Patent 7525771 GMR spin-valve element evaluation method, magnetic head manufacturing method, and magnetic storage device

US Patent 7526779 Optical disk apparatus

US Patent 7530082 Disk recording and/or reproducing apparatus

US Patent 7533394 Disk recording and/or reproduction apparatus

US Patent 7538979 Flexure including controlled static attitude and load point contact

US Patent 7538981 Head stack assembly including a flexure with radially inward fingers projecting into a flexure tail hole, and method of coupling the flexure to a flex cable

US Patent 7538988 Method and apparatus having improved magnetic read head sensors

US Patent 7546614 Recording/reproducing apparatus and disk cartridge

US Patent 7546615 Disc drive

US Patent 7554769 Thin film magnetic head and head gimbal assembly

US Patent 7554770 Air bearing surface of thin-film magnetic head slider and method of processing the same

US Patent 7558026 Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive

US Patent 7558029 Magnetic detectible head comprising free layer

US Patent 7561374 Method of fabricating disk drives using a common disk drive base with an attached weight plate, and a disk drive including the same

US Patent 7561375 Assembly and method with drive damper

US Patent 7561376 Servo track writer and a chuck thereof

US Patent 7561379 Laminated return pole for suppressing side track erasure

US Patent 7561381 Base member and hard disk drive having the same

US Patent 7561382 Reusable ESD shorting member and cable

US Patent 7562371 Optical disc drive

US Patent 7562372 Optical pickup

US Patent 7564661 Magnetic sensing element including free layer having gradient composition and method for manufacturing the same

US Patent 7567411 Magnetoresistive sensor

US Patent 7573678 Magnetic head slider with shock absorption layer and manufacturing the same

US Patent 7573680 Etched laminate structures for reducing track mis-registration in a disk drive suspension

US Patent 7577968 Optical pickup actuator, method of manufacturing the optical pickup actuator, and optical pickup employing the optical pickup actuator, and optical recording and/or reproducing apparatus employing the optical pickup

US Patent 7583471 Motor assembly for a small sized data storage system

US Patent 7589933 Storage

US Patent 7594239 Magnetic actuator

US Patent 7594241 Information recording medium

US Patent 7599150 Head stack assembly, its manufacturing method, and magnetic disc drive having the same

US Patent 7599153 Method and apparatus providing a stabilized top shield in read head for magnetic recording

US Patent 7600236 Disk-shaped storage medium loading/ejection mechanism, disk device, and disk autochanger

US Patent 7603678 Disc device

US Patent 7603679 Disc device

US Patent 7603680 Electronic apparatus comprising receptacle for storing disk drive

US Patent 7606008 Stabilizer for magnetoresistive head and method of manufacture

US Patent 7609475 Tape guide system and tape drive system implementing same

US Patent 7609486 Disk drive including a post attached to a disk drive base and a cover for limiting rotation of an actuator

US Patent 7609489 Magnetic sensor using NiFe alloy for pinned layer

US Patent 7610592 Pickup apparatus and disk apparatus including the pickup apparatus

US Patent 7610595 Clamping plate, cartridge case, information medium, mold, and method of manufacturing clamping plate

US Patent 7614062 Optical disk device

US Patent 7616404 Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium

US Patent 7616406 Disk apparatus and magnet for magnetic circuit

US Patent 7617505 Optical disk device

US Patent 7619854 Product including filmed screw

US Patent 7623325 Method for providing an endpoint layer for ion milling of top of read sensor having top lead connection and sensor formed thereby

US Patent 7624406 Disk-feeding apparatus for information storage disks

US Patent 7626783 Lubricated limiter for fluid dynamic bearing motor

US Patent 7626784 Magnetic recording head including main magnetic pole layer, return path layer, and coil layer

US Patent 7627874 Movement restriction device, movement restriction method, and processing device

US Patent 7630172 Thin film magnetic head

US Patent 7633711 Magnetic write head with helical coil structure using multiple materials

US Patent 7634781 Recording medium driving device

US Patent 7639451 Thin-film magnetic head, head gimbal assembly, and hard disk system

US Patent 7640556 Disk apparatus

US Patent 7640558 Optical disc drive

US Patent 7643252 Head suspension having wiring disposed with conductive layer

US Patent 7643254 Tunnel-effect type magnetic sensor having free layer including non-magnetic metal layer

US Patent 7644421 Optical pickup

US Patent 7646568 Ultra thin seed layer for CPP or TMR structure

US Patent 7646569 Pinned layer in magnetoresistive sensor

US Patent 7647602 Disc device

US Patent 7647603 Disc cartridge

US Patent 7652847 Minimized skew angle slider

US Patent 7652848 Suspension for magnetic head slider characteristic test

US Patent 7656614 Tape drive

US Patent 7656618 Disk device and manufacturing method therefor

US Patent 7657900 Recording and reproducing apparatus for photosensitive recording medium and cartridge thereof

US Patent 7657902 Disk holding device and disk recording/reproduction apparatus

US Patent 7660063 Managing data storage media and multiple cartridge memories of a data storage cartridge

US Patent 7663838 Production method for magnetic recording medium

US Patent 7663848 Magnetic memories utilizing a magnetic element having an engineered free layer

US Patent 7665103 Photosensitive recording medium, and recording and reproducing apparatus for same

US Patent 7667930 Disk drive suspension and flexure with doubly and differentially deflected frame

US Patent 7672086 Method and system for providing a magnetic element having a current confined layer

US Patent 7673310 Optical disc having a reduced planar thickness

US Patent 7685611 Disk device, disk-transporting device, and disk-loading device

US Patent 7692896 Perpendicular magnetic recording head having return path layer and gap adjusting layer

US Patent 7697239 Magnetic head, method of manufacturing the magnetic head, and magnetic disk device

US Patent 7698716 Optical media, read inhibiting agents and methods of making and using same

US Patent 7701662 Cartridge reel lock release sensing systems and methods

US Patent 7701670 Head slider capable of being reliably released from effect of moving recording medium

US Patent 7701672 Suspension with locally stiffened load beam

US Patent 7706108 Lead/shield structure for read head sensors

US Patent 7707598 Disk-loading roller

US Patent 7710686 Heat-assisted magnetic recording head and method of manufacturing the same

US Patent 7710687 High conductivity ground planes for integrated lead suspensions

US Patent 7710851 Optical disc apparatus

US Patent 7719792 Method and apparatus intelligently adapting to environmental conditions inside and outside a hard disk drive

US Patent 7719800 Magnetoresistive effect element and manufacturing method thereof, and magnetic head, magnetic reproducing apparatus, and magnetic memory using the same

US Patent 7724468 Apparatus and method for correcting static and dynamic imbalance with a single mass in a hard disk drive

US Patent 7724470 Thermally assisted recording of magnetic media using an optical resonant cavity and nano-pin power delivery device

US Patent 7725908 Optical disk apparatus

US Patent 7729082 Application of PFPES for HDD screw lubricant

US Patent 7729084 Formation of low resistance damascene coils

US Patent 7729093 Detection of magnetic beads using a magnetoresistive device together with ferromagnetic resonance

US Patent 7729231 Recording device with a porous heat barrier

US Patent 7733603 Reduced tape stick tape drive systems

US Patent 7733609 Method for manufacturing a magnetic head arm assembly (HAA)

US Patent 7733614 Magneto-resistive head having a stable response property without longitudinal biasing and method for manufacturing the same

US Patent 7742258 Magnetic transducer with milling mask

US Patent 7748011 Optical disk drive having noise reduction functionality

US Patent 7751155 Image processing method, recorder, ink jet recorder, printer driver, image processor, imaging system and imaging method

US Patent 7764462 Thermal solution for drive systems such as hard disk drives and digital versatile discs

US Patent 7773337 Tamper evident tape with integrated EMI shielding

US Patent 7773343 Magnetic recording medium, and manufacturing method, manufacturing apparatus, recording and reproduction method, and recording and reproduction apparatus for the same

US Patent 7773348 High coercivity hard magnetic seedlayer

US Patent 7774802 Disk holder, disk alignment mechanism and disk drive

US Patent 7787218 Data storage device

US Patent 7788683 Data storage cartridge and system including non-tape storage medium

US Patent 7791840 Head suspension, load beam, and method of manufacturing load beam

US Patent 7792012 Information recording medium, and data reproduction device

US Patent 7793315 Photosensitive-recording medium cartridge, and shutter lock canceling mechanism

US Patent 7796358 Method and apparatus for eliminating spike noise in a soft magnetic underlayer

US Patent 7796359 Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer

US Patent 7802271 Disk clamping device

US Patent 7804662 Perpendicular magnetic recording head including wrap around shield with notched top write gap and method of fabricating the same

US Patent 7808748 Magnetoresistive element including heusler alloy layer

US Patent 7810111 Optical pick-up

US Patent 7813077 Apparatus, system, and method for detecting a periodic sequence of servo signals

US Patent 7813080 Enhanced planarization liftoff structure and method for making the same

US Patent 7813084 Co-planar shielded write traces for disk drive head suspensions

US Patent 7813088 Magnetoresistance effect device

US Patent 7814503 Optical disk device and adjusting method thereof

US Patent 7821746 Magnetic head device including heat-conducting layer for transferring heat to slider body

US Patent 7823171 Loading mechanism and disc player using the loading mechanism

US Patent 7826178 Microactuator, head gimbal assembly and hard disk drive using the same, and manufacturing method thereof

US Patent 7830639 Data storage device and disk drive

US Patent 7831983 Optical disk device with release

US Patent 7835112 Integrated lead flexure with embedded traces

US Patent 7835117 Detection of magnetic beads using a magnetoresistive device together with ferromagnetic resonance

US Patent 7835118 Detection of magnetic beads using a magnetoresistive device together with ferromagnetic resonance

US Patent 7836464 Disk holder, disk alignment mechanism and disk drive

US Patent 7839603 Magnetic head device and magnetic recording/reproducing apparatus

US Patent 7839607 Method to reduce corner shunting during fabrication of CPP read heads

US Patent 7840971 Disk holder, disk alignment mechanism and disk drive

US Patent 7840972 Optical disc device and method of controlling the same

US Patent 7843668 Magnetoresistive element including two ferromagnetic layers

US Patent 7844983 Power transmission member for head movement mechanism, and disk device equipped with the head movement mechanism

US Patent 7848053 Magnetic head and magnetic disk storage apparatus mounting the head

US Patent 7849474 Motor having chucking device and disk driving apparatus including the same

US Patent 7852602 Cooling of head actuator of disk device

US Patent 7852740 Information recording medium storing system and storing case

US Patent 7853964 Optical disk drive device

US Patent 7853965 Disk drive

US Patent 7855852 Clamping system for a data storage device

US Patent 7855855 Recording apparatus

US Patent 7855859 Magnetoresistive element and magnetic head

US Patent 7859799 Magnetoresistive head and a manufacturing method thereof

US Patent 7869162 Thin film structure with controlled lateral thermal spreading in the thin film

US Patent 7872836 Disk drive device

US Patent 7872838 Uniformity in CCP magnetic read head devices

US Patent 7873971 Motor having chucking device and disk driving apparatus including same

US Patent 7876528 Disk drive device and manufacturing method thereof

US Patent 7877761 Optical disc apparatus

US Patent 7881012 Magnetic head and magnetic disk storage apparatus mounting the head

US Patent 7885034 Contactless method for power and communications in a tape library

US Patent 7885038 Magnetic head slider

US Patent 7886313 Optical disc drive

US Patent 7886315 Optical disc case, optical disc tray, card member, and manufacturing method

US Patent 7898766 Four sided shield structure for a perpendicular write head

US Patent 7898769 Three-etch ABS design with a closed front channel

US Patent 7898777 Detection of magnetic beads using a magnetoresistive device together with ferromagnetic resonance

US Patent 7903369 Method of fabricating disk drives using a common disk drive base with an attached weight plate, and a disk drive including the same

US Patent 7907363 Managing data storage media and multiple cartridge memories of a data storage cartridge

US Patent 7911726 Managing data storage media and multiple cartridge memories of a data storage cartridge

US Patent 7911733 Tamper evident tape with integrated EMI shielding

US Patent 7913266 Disk drive, disk feeding device, and disk loading mechanism

US Patent 7916436 Tunneling magnetic sensor including platinum layer and method for producing the same

US Patent 7916614 Recording member cutting device and recording member cutting processing apparatus

US Patent 7921436 Optical device integrated head

US Patent 7924529 Suspension board with circuit

US Patent 7933096 Layered return poles for magnetic write heads

US Patent 7937719 Disk device

US Patent 7940494 Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium

US Patent 7941815 Automatic devices, equipment and methods for handling objects

US Patent 7944645 Lubricated limiter for fluid dynamic bearing motor

US Patent 7944646 Magnetic disk drive

US Patent 7944651 CPP-type magnetoresistive effect head and method of manufacturing the same

US Patent 7945922 Electronic device

US Patent 7957092 Magnetic disk drive and method for production thereof

US Patent 7957094 Thermal solution for drive systems such as hard disk drives and digital versatile discs

US Patent 7958519 Recording medium changer

US Patent 7958522 Slot-in type disk apparatus

US Patent 7962927 Optical disk

US Patent RE42482 Disc support plate, disc changer mechanism, and disc recording and/or reproducing device

US Patent 7966630 Head gimbal mechanism and information recording/reproducing apparatus

US Patent 7969687 Magnetic head with delayed connection heater shunting

US Patent 7971211 Disk drive, disk feeding device, and disk loading mechanism

US Patent 7975275 Object lens actuator and disc drive using the same

US Patent 7978440 Seed/AFM combination for CCP GMR device

US Patent 7978444 Detection of magnetic beads using a magnetoresistive device together with ferromagnetic resonance

US Patent 7979872 Lens actuator, optical pickup device, and optical recording and reproducing apparatus

US Patent 7984461 Disk chucking device and disk driving device having the same

US Patent 7990656 Magnetic head device

US Patent 7990658 Voice coil motor and disk drive unit with the same

US Patent 7990660 Multiple CCP layers in magnetic read head devices

US Patent 7996860 Apparatus for reducing sensitivity of an article to mechanical shock

US Patent 8001557 Slot-in type disk apparatus

US Patent 8006255 Electronic apparatus

US Patent 8009391 Magnetic sensing element and method for manufacturing the same