| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 03/05/2015 | US20150062746 In-situ lapping plate mapping device |
| 03/03/2015 | US8970990 Disk drive suspension |
| 03/03/2015 | US8970989 Hard disk drive suspension with reduced PSA change due to humidity and temperature variations |
| 03/03/2015 | US8970982 Disk drive compensating for non-linearity of a head based on a fly height of the head |
| 03/03/2015 | US8970980 Disk drive evaluating burst metric |
| 03/03/2015 | US8970139 Motor drive device, magnetic disk storage device, and electronic apparatus |
| 02/24/2015 | US8964335 Head suspension with piezoelectric element support having electrically insulative adhesive layer |
| 02/24/2015 | US8964334 Disk drive suspension |
| 02/24/2015 | US8964326 Disk storage apparatus and method for regulating head flying height before seek operation |
| 02/24/2015 | US8964324 Magnetic head having improved clearance control |
| 02/24/2015 | US8964179 Method and apparatus for measuring a pitch static attitude of a head stack assembly |
| 02/17/2015 | US8958169 Data storage device re-qualifying state estimator while decelerating head |
| 02/17/2015 | US8958166 Method and system for sliding-window based phase, gain, frequency and DC offset estimation for servo channel |
| 02/11/2015 | CN104347095A 电脑系统与硬盘控制方法 System and method for controlling a computer hard drive |
| 02/11/2015 | CN102859597B 压电致动器以及驱动装置 The piezoelectric actuator and a drive means |
| 02/10/2015 | US8953277 Data storage device writing tracks on a disk with equal spacing |
| 02/10/2015 | US8953276 Correcting position error based on reading first and second user data signals |
| 02/10/2015 | US8953275 In situ sensor based contact detection |
| 02/10/2015 | US8953274 Deceleration of spindle motor in disk drive |
| 02/05/2015 | US20150036235 Write current and fly height adjustment for compensating media coercivity variation |
| 02/04/2015 | CN102105936B 车载系统 Car System |
| 02/03/2015 | US8949521 Actuator prepositioning for disk drive |
| 02/03/2015 | US8947988 Efficient access to storage devices with usage bitmaps |
| 02/03/2015 | US8947833 Disk drive suspension with interface intersection corner formed between insulating resin layer and adhesive block |
| 02/03/2015 | US8947831 GSA suspension with microactuators extending to gimbal through flexible connectors |
| 02/03/2015 | US8947823 Method and apparatus for detecting drive head touchdown |
| 02/03/2015 | US8947822 Disk drive adjusting fly height based on air density measured from rate of temperature change |
| 02/03/2015 | US8947814 Collection of readback signal modulation data |
| 01/29/2015 | US20150029611 Stitched pole having a tapered tip |
| 01/27/2015 | US8942726 System and method for controlling device location determination |
| 01/27/2015 | US8942073 Maintaining tape emulation consistency |
| 01/27/2015 | US8942072 Efficient access to storage devices with usage bitmaps |
| 01/27/2015 | US8941945 Data storage device servoing heads based on virtual servo tracks |
| 01/27/2015 | US8941944 System and method for evenly distributing thermal exposure to disk in heat-assisted magnetic recording (HAMR) |
| 01/27/2015 | US8941943 Dynamic variable capacity hard disk drive |
| 01/27/2015 | US8941942 Method for adjusting linear recording density and magnetic disk drive |
| 01/27/2015 | US8941941 Disk drive calibrating touchdown sensor |
| 01/27/2015 | US8941940 Utilizing stored write environment conditions for read error recovery |
| 01/20/2015 | US8937854 Servo processor receiving photodetector signals |
| 01/20/2015 | US8937785 Magnetic disk apparatus and touchdown determination method |
| 01/20/2015 | US8937784 Disk drive employing feed-forward compensation and phase shift compensation during seek settling |
| 01/15/2015 | US20150015990 Head stack assembly, hard disk drive, and method of connecting a head gimbal assembly to a flexible printed circuit assembly in a head stack assembly |
| 01/15/2015 | US20150015989 Air bearing surface having temperature/humidity compensation feature |
| 01/13/2015 | US8934756 Reproducing apparatus and control method thereof |
| 01/13/2015 | US8934190 Piezoelectric device drive method, piezoelectric device drive apparatus, and magnetic disk device |
| 01/13/2015 | US8934185 Storage device head instability recovery by heating from head heater |
| 01/07/2015 | CN104272387A 具有折叠部的动态环路 Having a dynamic loop folded portion |
| 01/07/2015 | CN104271806A 磁头驱动臂及其制造方法以及表面处理方法 Head driving arm and a manufacturing method and a surface treatment method |
| 01/06/2015 | US8929183 Disk reproduction device capable of supplying high current to load driver |
| 01/06/2015 | US8929032 Baseplate resonant axis optimization |
| 01/06/2015 | US8929022 Disk drive detecting microactuator degradation by evaluating frequency component of servo signal |
| 01/06/2015 | US8929019 Read/write apparatus and read/write method |
| 01/01/2015 | US20150002962 Magnetoresistive sensor |
| 12/30/2014 | US8922940 Data storage device reducing spindle motor voltage boost during power failure |
| 12/30/2014 | US8922939 Disk drive generating feed-forward fly height control based on temperature sensitive fly height sensor |
| 12/30/2014 | US8922938 Disk drive filtering disturbance signal and error signal for adaptive feed-forward compensation |
| 12/30/2014 | US8922937 Disk drive evaluating multiple vibration sensor outputs to enable write-protection |
| 12/30/2014 | US8922936 Apparatus of single write magnetic disc |
| 12/24/2014 | CN102290054B 悬浮臂用基板、其制备方法、磁头悬浮臂和硬盘驱动器 Suspension arm substrate, its preparation, the head suspension arm and the hard drive |
| 12/23/2014 | US8917475 Disk drive generating a disk locked clock using radial dependent timing feed-forward compensation |
| 12/23/2014 | US8917474 Disk drive calibrating a velocity profile prior to writing a spiral track |
| 12/18/2014 | US20140368947 Magnetic recording medium lubricant mixture and systems thereof |
| 12/16/2014 | US8913347 Disk drive suspension in which a pivot center of a slider can be matched with a position of a supporting protrusion when a microactuator element is driven |
| 12/16/2014 | US8913341 Noise cancellation using cross-track scans |
| 12/16/2014 | US8913340 Systems and methods for writing servo patterns |
| 12/16/2014 | US8912740 Actuator driver |
| 12/11/2014 | US20140362674 Magnetic head providing write protrusion suppression and methods of formation thereof |
| 12/09/2014 | US8908484 Recording/reproducing device and optical disk library device |
| 12/09/2014 | US8908332 Suspension assembly having a microactuator grounded to a flexure |
| 12/09/2014 | US8908317 Method for detecting touchdown of head and disk storage apparatus |
| 12/09/2014 | US8908316 Disk drive with write clock frequency compensation for external vibration disturbance |
| 12/09/2014 | US8908315 Evaluation method of magnetic disk, manufacturing method of magnetic disk, and magnetic disk |
| 12/09/2014 | US8908312 Dynamic fly height control that is insensitive to off-track motion |
| 12/09/2014 | US8908306 Disk drive measuring channel transition response by averaging isolated transitions in a read signal |
| 12/09/2014 | US8908305 Systems and methods for slider head stability determination |
| 12/04/2014 | US20140355950 Method and apparatus for providing stream linking in audio/video disk media |
| 12/02/2014 | US8902718 Disk drive calibrating dynamic fly height write profile for fly height actuator |
| 12/02/2014 | US8902540 Disk storage apparatus and method for servo controlling |
| 12/02/2014 | US8902539 Data storage device reducing seek power consumption |
| 12/02/2014 | US8902538 Disk drive detecting crack in microactuator |
| 12/02/2014 | US8902536 Skew-tolerant reader configurations using cross-track profiles for array-reader based magnetic recording |
| 12/02/2014 | US8902534 Implementing track following using data characteristics for positional information |
| 12/02/2014 | US8902533 Disk drive detecting different asperities on a disk using different sensor bias settings |
| 12/02/2014 | US8902526 Recording medium |
| 11/27/2014 | US20140347965 Disk drive calibrating dynamic fly height write profile for fly height actuator |
| 11/25/2014 | US8897115 Topographic feedforward system |
| 11/25/2014 | US8896970 Balanced co-located gimbal-based dual stage actuation disk drive suspensions |
| 11/25/2014 | US8896961 Reader positioning in shingled magnetic recording |
| 11/25/2014 | US8896959 Magnetic disk apparatus and data recording method |
| 11/25/2014 | US8896957 Disk drive performing spiral scan of disk surface to detect residual data |
| 11/25/2014 | US8896950 Analog front end for proximity sensing of tunneling current |
| 11/18/2014 | US8891200 Impedance mitigation of a microactuator conductive joint |
| 11/18/2014 | US8891197 Adjustment of tape writing mechanism, based on tape dimensional stability and positional error signal distribution |
| 11/18/2014 | US8891196 Method of reading and writing magnetic recording medium |
| 11/18/2014 | US8891194 Disk drive iteratively adapting correction value that compensates for non-linearity of head |
| 11/18/2014 | US8891193 Disk drive calibrating threshold and gain of touchdown sensor |
| 11/18/2014 | US8891192 Disk drive calibrating parameter by injecting noise signal and measuring off-track read capability |
| 11/13/2014 | US20140334031 Thermally stable low random telegraph noise sensor |
| 11/11/2014 | US8885294 Head gimbal assembly and disk device with the same |
| 11/11/2014 | US8885285 Impact detection for data storage device |