| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 02/04/2009 | CN100458916C Disk servo information calibration method and its device |
| 02/03/2009 | US7486593 Method of writing into unwritten region of optical disc, optical disc writing device, optical disc, and program for writing data on optical disc |
| 02/03/2009 | US7486483 Rotating disk storage device with improved actuator arm |
| 02/03/2009 | US7486482 Disk drive actuator latch apparatus with solenoid coil offsetting magnetism of attraction part |
| 02/03/2009 | US7486469 Minimizing a mechanical mode excitation utilizing a generated seek trajectory |
| 02/03/2009 | US7486468 Corrected read/write offset compensation |
| 02/03/2009 | US7486467 Magnetic disk drive and method for registering defective sector using timing control of pattern writing |
| 02/03/2009 | US7486466 Ramp-position detecting device, ramp-position detecting method, and storage device |
| 02/03/2009 | US7486465 Magnetic spacing control method for magnetic head, read/write circuit, and magnetic disk device using same |
| 01/29/2009 | WO2009014054A1 Connector structure of spindle stage for testing magnetic head |
| 01/29/2009 | WO2009013824A1 Magnetic head slider and magnetic disc device |
| 01/29/2009 | WO2009013785A1 Lubricating agent, magnetic recording medium, and head slider |
| 01/29/2009 | US20090027800 Storage apparatus, control method and control unit |
| 01/29/2009 | US20090027799 Disk drive refreshing zones in segments to sustain target throughput of host commands |
| 01/29/2009 | US20090027798 Impact protection for a retractable control object |
| 01/29/2009 | US20090027797 Data Storage And Manipulation |
| 01/28/2009 | CN101356229A Process for producing crosslinked fluororubber |
| 01/28/2009 | CN101356055A Stainless steel substrate with conductive metal layer, hard disk suspension material and hard disk suspension manufactured by using the material |
| 01/28/2009 | CN101354890A Method and apparatus for providing an air bearing with higher flying height for lower rotating speed drives |
| 01/28/2009 | CN100456624C Motor driver and magnetic disc apparatus |
| 01/28/2009 | CN100456367C Optical disc apparatus |
| 01/27/2009 | US7484230 Scanning device for an apparatus for reading from or writing to optical recording media |
| 01/27/2009 | US7484228 Optical pickup feeding device |
| 01/27/2009 | US7484037 Disk controller configured to perform out of order execution of write operations |
| 01/27/2009 | US7483344 Compact picker systems and methods for automated storage libraries |
| 01/27/2009 | US7483343 Optical recording apparatus and a controlling method thereof |
| 01/27/2009 | US7483233 Method and apparatus for driving VCM unloading HDD head |
| 01/27/2009 | US7483232 Dynamic system control method |
| 01/27/2009 | US7481697 Head slider and method of manufacturing same |
| 01/22/2009 | US20090022043 Shaft, hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus |
| 01/22/2009 | US20090021867 Magnetic disk drive for controlling flying height of magnetic head |
| 01/22/2009 | US20090021857 Rotational, shear mode, piezoelectric motor integrated into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head/gimbal assembly for improved tracking in disk drives and disk drive equipment |
| 01/22/2009 | US20090021854 Method of servo writing for magnetic recording system, magnetic recording system |
| 01/21/2009 | CN100454429C System, apparatus, and method of assembling hard disk drive integrated lead suspensions to arm electronics cables |
| 01/21/2009 | CN100454428C Pickup unit homing mechanism for a disk drive unit |
| 01/21/2009 | CN100454427C Disk unit and manufacturing method thereof |
| 01/21/2009 | CN100454401C Feeding device and manufacturing method for rotation shaft |
| 01/21/2009 | CN100454400C Method for jumping tracks in optical disk drive |
| 01/21/2009 | CN100454390C Magnetic disk drive |
| 01/20/2009 | US7480115 Magnetic disk drive with heater to control flying height and manufacturing method thereof |
| 01/15/2009 | US20090016177 System and method for musical playlist selection in a portable audio device |
| 01/15/2009 | US20090015961 Disk drive installed in portable electronic device, and method of unloading a head when the electronic device falls |
| 01/15/2009 | US20090015098 Ultrasonic actuator and magnetic recording apparatus using the same |
| 01/14/2009 | EP1440436B1 Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider |
| 01/14/2009 | EP0693201B1 Method and apparatus for fingerprinting and authenticating magnetic media |
| 01/14/2009 | CN101345069A Voice coil motor and disk drive unit with the same |
| 01/14/2009 | CN101345057A Head-disc interface (HDI) modal response monitoring |
| 01/14/2009 | CN100452636C Motor driver and magnetic disc apparatus |
| 01/14/2009 | CN100452188C Recording and/or playing back device |
| 01/14/2009 | CN100452176C Method for providing electrical crossover in laminated structure |
| 01/13/2009 | US7477489 Actuator including an actuator arm with a first microactuator supporting a read head and a force-balancing microactuator without any read head |
| 01/13/2009 | US7477486 Air bearing slider with a side pad having a shallow recess depth |
| 01/13/2009 | US7477472 Method and apparatus for writing servo data in a disk drive using spiral servo patterns |
| 01/13/2009 | US7477471 Disk drive employing offset compensation for velocity control of a voice coil motor |
| 01/13/2009 | US7477470 Controlling head flying height based on head heater resistance |
| 01/13/2009 | US7477469 Active protection system |
| 01/13/2009 | US7477468 Control apparatus, storage device, and head retracting method |
| 01/08/2009 | WO2009004691A1 Carridge assembly and storage medium driving device |
| 01/08/2009 | WO2009004689A1 Head suspension assembly and storage medium driving device |
| 01/08/2009 | US20090009904 Method for forming servo pattern and magnetic disk drive |
| 01/08/2009 | US20090009903 Method of increasing recording density of hard disc drive and controlling device thereof |
| 01/07/2009 | CN101339774A Magnetic folding head combination having balance weight, magnetic disc drive unit and manufacturing method therefor |
| 01/07/2009 | CN100449637C Magnetic head assembly and magnetic disc device |
| 01/07/2009 | CN100449636C System and method for a low air pressure air bearing slider utilizing negative pressure grooves |
| 01/07/2009 | CN100449635C Method and system for detecting disk drive state |
| 01/07/2009 | CN100449618C Optical disk apparatus |
| 01/07/2009 | CN100449613C Method and device for an improved mechanical head arm assembly |
| 01/06/2009 | US7474970 Information processing apparatus and head retraction processing method of built-in hard disk drive thereof |
| 01/06/2009 | US7474511 Voice-coil motor and positioning device or servo-track writer including a voice-coil motor |
| 01/06/2009 | US7474510 Disk drive head reset for parked head using closely spaced magnet |
| 01/06/2009 | US7474507 Storage device having slider with sacrificial extension aligned with channel on opposite surface |
| 01/06/2009 | US7474495 Piezoelectric micro-actuator for magnetic tape read/write head |
| 01/06/2009 | US7474493 Alternative DC-burst servo pattern for perpendicular recording |
| 01/06/2009 | US7474492 Mechanical reference detection using a v-shaped pattern |
| 01/06/2009 | US7474491 Adaptive write unsafe thresholds for self servo writing |
| 01/01/2009 | US20090003160 Information Recording Apparatus and Information Recording Method |
| 01/01/2009 | US20090003146 Servo gain adjustment based on bias force error |
| 01/01/2009 | US20090003143 Recording Medium, Recording/Reproduction Apparatus and Replay Apparatus |
| 01/01/2009 | US20090002894 Outer actuator arm constrained layer dampers |
| 01/01/2009 | US20090002891 Head, head suspension assembly, and disk device provided with the same |
| 01/01/2009 | US20090002890 Spoiler with integrated bypass channel wall for HDD applications |
| 01/01/2009 | US20090002889 O-Ring free cooling pallet for hard disk drive slider carriers |
| 01/01/2009 | US20090002870 Flying height measurement and control with user data signal |
| 12/31/2008 | WO2009001945A1 Substrate for magnetic head, magnetic head, and recording medium drive device |
| 12/31/2008 | WO2009001749A1 Laser encoder parameter correcting method |
| 12/31/2008 | WO2009001748A1 Flexible printed board for hard disc device |
| 12/31/2008 | WO2009001746A1 Position detecting device for actuator |
| 12/31/2008 | WO2009001745A1 Method for detecting eccentricity of discrete track media |
| 12/31/2008 | WO2009001531A1 Flexible wiring unit and electronic device |
| 12/31/2008 | CN101335015A Disk drive and method of adjusting the dynamic fly height of the head |
| 12/31/2008 | CN100447886C CD-ROM carrier rotation motor composite switch method |
| 12/31/2008 | CN100447878C Head-disk interaction sensor integrated with suspension |
| 12/31/2008 | CN100447871C Tracking error signal polarity judging device of target track when completing jumping track of CD ROM |
| 12/31/2008 | CN100447865C Method of manufacturing head, head, and disk driving device |
| 12/31/2008 | CN100447864C Disk drive and control method thereof |
| 12/31/2008 | CN100447862C Method for correcting floating type magnetic head device |
| 12/31/2008 | CN100447859C Magnetic disc drive |
| 12/31/2008 | CN100447570C Acceleration sensor and magnetic disk drive device |
| 12/30/2008 | US7472407 Optical disc apparatus having dynamic damper mechanism |
| 12/30/2008 | US7471594 Information storage medium, recording and/or reproducing apparatus, and recording and/or reproducing method |