| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 03/17/2009 | US7505227 Apparatus and method for preventing excessive thermal pole tip protrusion in slider of a hard disk drive |
| 03/17/2009 | US7505223 Compensating for non-linear thermal expansion when writing spiral tracks to a disk of a disk drive |
| 03/17/2009 | US7505222 Algorithm to detect the touch down of the flying head on disk |
| 03/12/2009 | WO2009031265A1 Optical disc device |
| 03/12/2009 | WO2009031222A1 Slider, suspension assembly having the slider, and storage device |
| 03/12/2009 | US20090067096 Gimbal assembly |
| 03/12/2009 | US20090067095 Fly height compensation using read gain control loop |
| 03/12/2009 | US20090067084 Method for establishing and maintaining radial position for hard disk drive self servo write without seed wedges |
| 03/12/2009 | US20090067083 Hard disk drive controller, image forming apparatus and storage medium with recorded computer program |
| 03/12/2009 | US20090067082 Patterned-media magnetic recording disk and disk drive with data zones having nondata regions near the zone boundaries |
| 03/12/2009 | DE112005001180T5 Rampe für ein Festplattenlaufwerk auf Polyoxymethylenharz Ramp for a hard disk drive on polyoxymethylene |
| 03/11/2009 | CN101385085A Hard disk drive and stray magnetic field sensor system and associated method |
| 03/11/2009 | CN101385082A Orbiting memory and disc device |
| 03/11/2009 | CN101383157A Fly height compensation using read gain control loop |
| 03/11/2009 | CN100468521C Production method of magnetic head slider |
| 03/10/2009 | US7503054 Optical disk device |
| 03/10/2009 | US7502286 Rotation correcting apparatus and optical disk apparatus |
| 03/10/2009 | US7502285 Information recording apparatus and method, and computer program for recording control |
| 03/10/2009 | US7502205 Method of operating read and write transducers by controlling thermal actuation |
| 03/10/2009 | US7502202 Head slider for magnetic disks that prevents adhesion of dust |
| 03/10/2009 | US7502196 Head actuator design for a low profile tape drive |
| 03/10/2009 | US7502195 Compensating for thermal expansion when writing spiral tracks to a disk of a disk drive |
| 03/10/2009 | US7502194 Head-disc contact detection using a microactuator |
| 03/10/2009 | US7502193 Positioning of a magnetic head in a magnetic data recording device using a multiple sensor array |
| 03/10/2009 | US7502192 Magnetic disk drive and method for efficiently determining and storing RRO compensation values using a secondary micro-actuator |
| 03/10/2009 | US7502191 Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly |
| 03/05/2009 | WO2009028024A1 Disk device |
| 03/05/2009 | WO2009028014A1 Method for manufacturing disk device, method for writing servo information on memory disk, and disk device |
| 03/05/2009 | US20090059739 Method of writting data to a disc, disc drive |
| 03/05/2009 | US20090059737 Method for storing files on a storage medium, storage medium, and video recording apparatus using the method |
| 03/05/2009 | US20090059418 Magnetic head and disk drive with high-frequency assisted writing |
| 03/05/2009 | US20090059417 Apparatus for assisting write operation using high frequency magnetic field in disk drive |
| 03/05/2009 | US20090059416 Storage device, storage medium, and method for manufacturing storage medium |
| 03/05/2009 | US20090059415 Storage device and servo information writing method |
| 03/05/2009 | US20090059414 Hard disk drive with power saving feature |
| 03/05/2009 | US20090059413 Adjusting a fly-height in hard disk drives |
| 03/05/2009 | US20090059412 Extracting Position Information Using User Data |
| 03/03/2009 | US7499246 Magnetic head device |
| 03/03/2009 | US7499244 Disk holder for off-line servo-track writer |
| 03/03/2009 | US7499238 Systems and methods for improving disk drive synchronization |
| 03/03/2009 | US7499237 Recording controlling method in hard disk drive and hard disk drive using the same |
| 03/03/2009 | US7499236 Calibrating correlation between PES and off-track displacement by processing high frequency signal in spiral track |
| 03/03/2009 | US7499235 Auto-servo tape system and associated recording head |
| 03/03/2009 | US7499234 Method and apparatus for modifying spiral profile using reference tracks written onto a disk surface of a disk drive |
| 03/03/2009 | US7499232 Media player with acceleration protection |
| 02/26/2009 | WO2009025014A1 Head assembly production device and head assembly production method |
| 02/26/2009 | WO2009025009A1 Recording medium driver and method of measuring frictional characteristics |
| 02/26/2009 | WO2009025007A1 Magnetic disk device and write offset correction method therein |
| 02/26/2009 | WO2008146084A3 Heat transfer for a hard-drive wire-bond pre-amp |
| 02/26/2009 | US20090052091 Monitoring a fly height of a magnetic transducer |
| 02/26/2009 | US20090052080 Monitoring a fly height of a magnetic transducer |
| 02/24/2009 | US7495866 Recording disk drive capable of suppressing vibration of flexible printed circuit board |
| 02/24/2009 | US7495858 Information processing apparatus having built-in hard disk drive and head retraction processing method of built-in hard disk drive |
| 02/24/2009 | US7495857 Servo writing a disk drive by writing spiral tracks using a mechanical position sensor |
| 02/24/2009 | US7495856 Disk drive slider design for thermal fly-height control and burnishing-on-demand |
| 02/19/2009 | US20090046545 Intelligent media buffering based on input focus proximity |
| 02/19/2009 | US20090046544 Contents management method and contents distribution method |
| 02/19/2009 | US20090046391 Electrical connection between a suspension flexure cable and a head stack assembly flexible circuit |
| 02/19/2009 | US20090046390 System, method, and apparatus for an independent flexible cable damper for reducing flexible cable fatigue in a hard disk drive |
| 02/19/2009 | US20090046387 Patterned media with low switching filled and adjacent track encroachment (ATE) using ECC (exchange coupled composite) media |
| 02/18/2009 | EP2026334A1 Magnetic disk devices with data recording areas set separately for each device |
| 02/18/2009 | EP1982333A4 Hard disk drive with external sensor interface, system, and method |
| 02/18/2009 | EP1488120B1 Bearing |
| 02/18/2009 | CN101369770A Voice coil motor and magnetic circuit therefor |
| 02/18/2009 | CN101369769A Voice coil motor and magnetic circuit therefor |
| 02/18/2009 | CN100463064C Disk driving device |
| 02/18/2009 | CN100463058C Manufacturing method for lens holder and lens protector for use in optical pick-up device |
| 02/18/2009 | CN100463052C Magnetic recording and reproducing apparatus and method of controlling the same |
| 02/18/2009 | CN100463051C Thin-film magnetic head, head gimbal assembly, magnetic disk drive apparatus, method for designing and manufacturing thin-film magnetic head |
| 02/17/2009 | US7493631 Disc drive apparatus |
| 02/17/2009 | US7492553 Suspension, head gimbal assembly with a multilayered and reinforced suspension and disk drive apparatus with head gimbal assembly |
| 02/17/2009 | US7492544 Hard disk drive protection system and method |
| 02/17/2009 | US7492543 Control device, control method, and storage apparatus for controlling read head and write head clearance |
| 02/17/2009 | US7492539 Method for controlling a burnish cycle to minimize cycle time |
| 02/12/2009 | WO2009019752A1 Head suspension assembly and storage medium driver |
| 02/12/2009 | US20090040886 Disk playback apparatus and method |
| 02/12/2009 | US20090040650 Providing removable storage management services using removable storage error information |
| 02/12/2009 | DE102004028687B4 Plattenarrayvorrichtung für Stillstandssuche Disk array device for standstill search |
| 02/11/2009 | EP1849162A4 A single chip having a magnetoresistive memory |
| 02/11/2009 | CN101364409A Magnetic disk apparatus and magnetic head control method |
| 02/11/2009 | CN100461288C Data recording system with servo pattern having pseudo-noise sequences |
| 02/11/2009 | CN100461267C System and method for calibrating and controlling a fly-height actuator in a magnetic recording disk drive |
| 02/11/2009 | CN100461266C Magnetic recording apparatus and positioning correction method |
| 02/10/2009 | US7489603 Optical pickup transfer apparatus |
| 02/10/2009 | US7489599 Optical disc reproducing apparatus |
| 02/10/2009 | US7489476 Headlift for disk drive head suspension |
| 02/10/2009 | US7489467 Method for measuring track width of hard disk drive |
| 02/10/2009 | US7489466 Enabling intermittent contact recording on-demand |
| 02/10/2009 | US7489465 Apparatus, system, and method for timing based servo tape formating |
| 02/10/2009 | US7489464 Servo writing a disk drive using a secondary actuator to control skew angle |
| 02/10/2009 | US7489463 Method of writing patterns using head with correct phases, and data storage device |
| 02/05/2009 | WO2009016895A1 Method and apparatus for reproducing servo data from a discrete track media in a disk drive |
| 02/05/2009 | WO2009016683A1 Magnetic recording medium and magnetic record reproducer |
| 02/05/2009 | US20090034128 Method and apparatus for independent piezoelectric excitation in the micro-actuator assemblies of a hard disk drive for improved drive reliability |
| 02/05/2009 | US20090034114 Magnetic disk drive with head retraction control |
| 02/05/2009 | US20090034113 Disk device and electronic equipment using the same |
| 02/05/2009 | US20090031808 Fall detection apparatus |
| 02/04/2009 | CN101359481A Disk drive apparatus and method of adaptively controlling flying height of magnetic head therein |
| 02/04/2009 | CN101359480A Suspension with locally strengthened integration trace connecting piece |
| 02/04/2009 | CN100458960C Adjusting mechanism for optical reading head of optical disk drive and manufacturing method thereof |