Inventor · disambiguated record
Bernhard E. Knigge
Also filed as: KNIGGE BERNHARD · KNIGGE BERNHARD E
58 granted patents·1 pending application·1,123 citations·filing 2003–2024
99Inventor score
Files withHITACHI GLOBAL STORAGE TECH22WESTERN DIGITAL TECH INC17FRANCA-NETO LUIZ M3HITACHI GLOBAL STORAGE TECH NL3KNIGGE BERNHARD E3
Top patents by PatentIndex Score
59 records- 0197US8320069B1Disk drive detecting positive correlation in fly height measurementsKNIGGE BERNHARD E·Filed 2010·Granted Nov 27, 2012·138 cites·23 claims
- 0297US8059357B1Disk drive adjusting fly height when calibrating head/disk contactKNIGGE BERNHARD E·Filed 2010·Granted Nov 15, 2011·148 cites·18 claims
- 0397US8049984B2Integrated slider bias controlHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Nov 1, 2011·38 cites·15 claims
- 0497US7916420B1Disk drive employing comb filter for repeatable fly height compensationWESTERN DIGITAL TECH INC·Filed 2010·Granted Mar 29, 2011·132 cites·18 claims
- 0597US7450333B2Electrostatic fly-height controlHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 11, 2008·54 cites·18 claims
- 0696US8085490B2Slider fly-height control in a hard disk driveFRANCA-NETO LUIZ M·Filed 2009·Granted Dec 27, 2011·30 cites·34 claims
- 0795US8599653B1Systems and methods for reducing condensation along a slider air bearing surface in energy assisted magnetic recordingMALLARY MICHAEL L·Filed 2012·Granted Dec 3, 2013·38 cites·28 claims
- 0895US8411390B2Integrated half coil structure for write assist of high coercivity mediaFRANCA-NETO LUIZ M·Filed 2009·Granted Apr 2, 2013·23 cites·23 claims
- 0994US8599506B2Integrating control of slider bias potential, touch-down detection and fly-height determination in a HDDCONTRERAS JOHN·Filed 2009·Granted Dec 3, 2013·28 cites·18 claims
- 1094US7830634B2Head-disk contact detection and work function difference determinationHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Nov 9, 2010·20 cites·9 claims
- 1194US7660068B1Method and system for pre-contact detection and active damping of air bearing vibrations in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Feb 9, 2010·21 cites·25 claims
- 1294US7508618B1Multivariate head-to-disk contact detectionHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Mar 24, 2009·19 cites·18 claims
- 1393US11874182B1Alternating-bias signal resistance detection for resistive temperature detectors in disk drivesWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 16, 2024·1 cites·24 claims
- 1493US7719786B1Active fly height control using radio frequency feedbackHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted May 18, 2010·15 cites·23 claims
- 1593US7489466B2Enabling intermittent contact recording on-demandHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 10, 2009·24 cites·20 claims
- 1693US7359138B1Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 15, 2008·16 cites·18 claims
- 1793US7277252B1Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 2, 2007·16 cites·12 claims
- 1893US7215500B1Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 8, 2007·16 cites·26 claims
- 1993US7193806B1Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive sliderHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 20, 2007·15 cites·14 claims
- 2092US9042208B1Disk drive measuring fly height by applying a bias voltage to an electrically insulated write component of a headWESTERN DIGITAL TECH INC·Filed 2013·Granted May 26, 2015·16 cites·24 claims
- 2192US8098450B2Fly-height management in a hard disk drive (HDD)BAUMGART PETER·Filed 2009·Granted Jan 17, 2012·40 cites·20 claims
- 2292US7310197B2Simultaneous measurement of contact potential and slider body clearance in a magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 18, 2007·34 cites·20 claims
- 2392US7016139B2Magnetic recording disk drive with actively controlled electric potential at the head/disk interface for wear and durability controlHITACHI GLOBAL STORAGE NETHERL·Filed 2003·Granted Mar 21, 2006·42 cites·22 claims
- 2491US7416991B2High resolution patterning of surface energy utilizing high resolution monomolecular resist for fabrication of patterned media mastersHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 26, 2008·19 cites·18 claims
- 2591US7310198B2Measurement of slider body clearance in a magnetic disk drive using positive and negative electrical pulsesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 18, 2007·16 cites·22 claims
- 2691US7233451B2Method for actively controlling electric potential at the head/disk interface of a magnetic recording disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jun 19, 2007·37 cites·21 claims
- 2790US12190924B1Laser mode hop compensation using multi-sector feedback in heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2024·Granted Jan 7, 2025·2 cites·25 claims
- 2890US9382496B1Lubricants with high thermal stability for heat-assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2014·Granted Jul 5, 2016·6 cites·14 claims
- 2989US7542228B2Frictional heat assisted recordingHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jun 2, 2009·9 cites·21 claims
- 3089US7321476B2Method and system for determining contact potential in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 22, 2008·8 cites·19 claims
- 3188US8139309B2Negative biasing a slider with respect to a disk to reduce slider wear and provide burnish rate controlKNIGGE BERNHARD E·Filed 2009·Granted Mar 20, 2012·8 cites·20 claims
- 3287US8300360B2Compliant air bearing sliderBANDIC ZVONIMIR Z·Filed 2008·Granted Oct 30, 2012·7 cites·25 claims
- 3387US7119979B2Measurement of slider clearance by inducing collision of the slider with disk surfaceHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Oct 10, 2006·21 cites·14 claims
- 3486US7903375B2Proximity recording slider with high air bearing damping in and out of contactHITACHI GLOBAL STORAGE TECH NL·Filed 2006·Granted Mar 8, 2011·7 cites·18 claims
- 3585US12230304B2Data storage device with write protection and guaranteed rapid write verification in energy-assisted recording (EAR)WESTERN DIGITAL TECH INC·Filed 2023·Granted Feb 18, 2025·1 cites·20 claims
- 3685US8970978B1Disk drive detecting head touchdown by applying DC+AC control signal to fly height actuatorWESTERN DIGITAL TECH INC·Filed 2012·Granted Mar 3, 2015·8 cites·30 claims
- 3785US7605996B2Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic diskHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Oct 20, 2009·7 cites·21 claims
- 3885US7286314B2Disk drive with localized clearance and contact potential measurement capabilityHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 23, 2007·8 cites·20 claims
- 3984US12176015B1Pole tip recession compensation by dual heater ratio optimization in a hard disk driveWESTERN DIGITAL TECH INC·Filed 2023·Granted Dec 24, 2024·1 cites·24 claims
- 4082US11869546B1Adaptive dual heater mode for hard disk driveWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 9, 2024·1 cites·19 claims
- 4182US8922939B1Disk drive generating feed-forward fly height control based on temperature sensitive fly height sensorWESTERN DIGITAL TECH INC·Filed 2013·Granted Dec 30, 2014·5 cites·24 claims
- 4281US8638527B2Signaling method and apparatus for write assist of high coercivity media using integrated half coilFRANCA-NETO LUIZ M·Filed 2009·Granted Jan 28, 2014·4 cites·22 claims
- 4381US7586711B2Magnetic performance of a magnetic transducer operating within a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Sep 8, 2009·4 cites·20 claims
- 4480US9001453B1Data storage device calibrating fly height actuator based on read mode touchdown resistance of touchdown sensorWESTERN DIGITAL TECH INC·Filed 2014·Granted Apr 7, 2015·5 cites·22 claims
- 4575US8174782B2Methods for depositing lubricant onto disks and systems thereofFELISS NORBERT A·Filed 2008·Granted May 8, 2012·2 cites·25 claims
- 4674US12347465B2Differential sense of embedded contact sensor (ECS) and near-field temperature sensor (NTS) utilizing chopping amplifierWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 1, 2025·0 cites·26 claims
- 4773US12140485B2Alternating-bias signal resistance detection for resistive temperature detectors in disk drivesWESTERN DIGITAL TECH INC·Filed 2023·Granted Nov 12, 2024·0 cites·14 claims
- 4872US8238051B2Real time monitoring inconsistent operations in a hard disk driveBAUMGART PETER M·Filed 2009·Granted Aug 7, 2012·2 cites·20 claims
- 4968US9786309B1Data storage device detecting minimum stable fly height of a head over a diskWESTERN DIGITAL TECH INC·Filed 2017·Granted Oct 10, 2017·2 cites·22 claims
- 5067US6967818B2Disk drive head with radially spaced read and write elements on respective protrusion padsHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 22, 2005·6 cites·24 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →