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| Patent ID | Title | Date Filed |
| 7126773 | Write precompensation method for perpendicular magnetic recording
| March 30, 2005 |
| 7126772 | Data storage device and servo information writing method
| January 24, 2005 |
| 7126771 | Data read channel and method of controlling the same
| July 5, 2002 |
| 7119974 | Storing data to magnetic tape both to one set of tracks and in the same operation rewritten to another set of tracks
| August 11, 2005 |
| 7113359 | Impedance-controlled write driver for low power preamp
| December 9, 2003 |
| 7113357 | Semiconductor device and a disk drive apparatus employing such a semiconductor device
| January 12, 2005 |
| 7113356 | Method for checking the quality of servo gray codes
| May 30, 2003 |
| 7113355 | System and method for detecting head instability
| December 3, 2004 |
| 7110204 | Process-insensitive write current generation for a HDD preamplifier writer equipped with parallel output resistive damping
| July 22, 2004 |
| 7110198 | Write driver system for data storage systems
| April 1, 2004 |
| 7106536 | Write head demagnetizer
| September 30, 2004 |
| 7099098 | Preamplifier circuit and method for a disk drive device
| January 22, 2003 |
| 7095803 | Method of reconstructing data transmitted over a transmission path in a receiver and corresponding device
| August 22, 2002 |
| 7095577 | Disk drive for optimizing write current settings relative to drive operating characteristics and ambient temperature readings
| September 15, 2005 |
| 7095576 | Method and apparatus for controlling a write current in a hard disk drive
| September 17, 2004 |
| 7092186 | Demagnetizing a head in a disk drive by increasing the frequency of an AC write signal while maintaining the write current amplitude
| November 23, 2004 |
| 7092185 | Write gate timing for a servo bank
| July 8, 2004 |
| 7092181 | Magnetic recording apparatus
| August 4, 2005 |
| 7092180 | Asymmetry correction for magneto-resistive heads
| April 1, 2004 |
| 7088537 | Removing residual magnetization in a data transducer
| March 9, 2004 |
| 7082005 | Servo data detection in the presence or absence of radial incoherence using digital interpolators
| August 27, 2002 |
| 7082004 | Disk storage systems
| January 12, 2005 |
| 7079342 | Method and apparatus for asymmetry correction in magnetic recording channels
| October 27, 2004 |
| 7079341 | Multiple disk, variable RPM data storage system for reducing power consumption
| March 11, 2004 |
| 7075344 | Measurement of the write current of a current mode write driver while engaged in the writing process
| December 2, 2002 |
| 7072130 | Auto-ranging attenuators for read channels
| July 28, 2004 |
| 7068454 | Hard disk storage system including a first transistor type and a second transistor type where a first voltage level pulls one of a first pair of transistors and a second voltage level pulls one of a second pair of transistors at substantially the same tim | December 30, 2003 |
| 7061321 | Low impedance read amplifier for magnetoresistive head
| March 18, 2005 |
| 7057835 | Data track per inch optimization through compilation of voltage gain amplifier control signal data
| June 21, 2004 |
| 7054085 | Use of shunt resistor with large RA product tunnel barriers
| June 30, 2003 |
| 7046464 | Data recording method and data recording/reproducing device, recording medium
| January 18, 2002 |
| 7046044 | Differential preamplifier having balanced resistor network
| February 5, 2004 |
| 7038870 | Data storage device, data write method, and program
| October 22, 2003 |
| 7035029 | Method of and apparatus for recording/reading information, circuit for recording/reading signal
| February 11, 2004 |
| 7035028 | Disk drive write driver with boosting circuit to improve output voltage swing
| May 12, 2004 |
| 7035027 | Circuits to achieve high data rate writing on thin film transducer
| October 9, 2001 |
| 7031090 | Information recording and reproducing apparatus and method and signal decoding circuit having improved noise processing characteristics
| October 29, 2001 |
| 7031089 | Tape head assembly
| December 17, 2003 |
| 7031086 | Magnetic recording apparatus, magnetic recording medium and magnetic recording method
| October 30, 2003 |
| 7027263 | Apparatus for look-ahead thermal sensing in a data storage device
| May 7, 2002 |
| 7027245 | Apparatus for providing head amplitude characterization using gain loops
| April 30, 2004 |
| 7027244 | Systems for self-servowriting using write-current variation
| April 5, 2004 |
| 7027243 | Apparatus for providing head amplitude characterization
| March 29, 2004 |
| 7023641 | Recording current control method and magnetic disk drive
| September 26, 2003 |
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