Inventor · disambiguated record
Erhard Schreck
Also filed as: SCHLUMBERGER MAURICE · SCHRECK ERHARD · SCHRECK ERHARD T · SCHRECK ERHARD THEODOR
96 granted patents·10 pending applications·1,592 citations·filing 1994–2023
99Inventor score
Top patents by PatentIndex Score
106 records- 0197US7369345B1Mobile hard disk drive free fall detection and protectionMAXTOR CORP·Filed 2005·Granted May 6, 2008·82 cites·56 claims
- 0296US7995425B2Power control of TAMR element during read/write transitionHEADWAY TECHNOLOGIES INC·Filed 2009·Granted Aug 9, 2011·30 cites·4 claims
- 0396US7345837B1Disk drive that refreshes data on portions of a disk based on a number of write operations theretoMAXTOR CORP·Filed 2005·Granted Mar 18, 2008·43 cites·15 claims
- 0495US7324299B1Disk drive that positions a head at multiple head-to-disk spacingsMAXTOR CORP·Filed 2005·Granted Jan 29, 2008·47 cites·24 claims
- 0594US8059496B1Magnetic core plasmon antenna with recessed plasmon layerZHOU YUCHEN·Filed 2010·Granted Nov 15, 2011·26 cites·27 claims
- 0694US8036069B1Plasmon shield to shape and reduce optical spotHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Oct 11, 2011·34 cites·31 claims
- 0794US7400473B1Slider with independent fly-height adjustment of reader and writerMAXTOR CORP·Filed 2005·Granted Jul 15, 2008·44 cites·38 claims
- 0894US7362534B1System for detecting a change in head-to-disk contact status in a disk driveMAXTOR CORP·Filed 2005·Granted Apr 22, 2008·28 cites·23 claims
- 0994US7199960B1Disk drive with AC exciter for head/disk interfaceMAXTOR CORP·Filed 2002·Granted Apr 3, 2007·52 cites·131 claims
- 1094US7123435B1Method and apparatus for overwriting data in a disk driveMAXTOR CORP·Filed 2005·Granted Oct 17, 2006·17 cites·24 claims
- 1194US6157510AMagnetic storage device with multiple read elements which are offset laterally and longitudinallyMAXTOR CORP·Filed 1998·Granted Dec 5, 2000·93 cites·90 claims
- 1293US11562769B1Tape assemblies having movable reel configurations for magnetic recording devicesWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 24, 2023·4 cites·13 claims
- 1393US8295132B2Plasmon shield to shape and reduce optical spotJIN XUHUI·Filed 2011·Granted Oct 23, 2012·19 cites·11 claims
- 1493US8233358B2Plasmon antenna with magnetic core for thermally assisted magnetic recordingZHOU YUCHEN·Filed 2009·Granted Jul 31, 2012·13 cites·25 claims
- 1593US7486459B1Disk drive with performance driven head-to-disk spacingMAXTOR CORP·Filed 2005·Granted Feb 3, 2009·17 cites·35 claims
- 1692US8094418B2Vertically stacked DFH heater design for protrusion shape controlSCHRECK ERHARD·Filed 2008·Granted Jan 10, 2012·16 cites·20 claims
- 1792US8023218B2Electric field assisted magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Sep 20, 2011·13 cites·11 claims
- 1892US7310194B1System for monitoring and dynamically adjusting head-to-disk spacing in a disk driveMAXTOR CORP·Filed 2005·Granted Dec 18, 2007·16 cites·57 claims
- 1992US6266205B1Parallel servo with ultra high bandwidth off-track detectionMAXTOR CORP·Filed 1998·Granted Jul 24, 2001·71 cites·80 claims
- 2091US7170700B1Method of determining side track erasure in a disk driveMAXTOR CORP·Filed 2002·Granted Jan 30, 2007·49 cites·89 claims
- 2190US8248898B2Thermally-assisted magnetic recording head having main waveguide and sub-waveguidesSCHRECK ERHARD·Filed 2010·Granted Aug 21, 2012·16 cites·24 claims
- 2290US7532434B1Recessed write pole for perpendicular recordingSCHRECK ERHARD T·Filed 2002·Granted May 12, 2009·41 cites·56 claims
- 2390US7509728B1Method for adjusting head-to-disk spacing in a disk driveMAXTOR CORP·Filed 2005·Granted Mar 31, 2009·12 cites·57 claims
- 2490US6999265B1Method and system for dual element transducer flight height adjustment using combined thermal and electrostatic controlMAXTOR CORP·Filed 2004·Granted Feb 14, 2006·36 cites·76 claims
- 2589US10395678B1Method and system for determining slider-disk contact in a magnetic recording disk drive with dual fly-height actuatorsWESTERN DIGITAL TECH INC·Filed 2018·Granted Aug 27, 2019·9 cites·14 claims
- 2689US8179628B2Magnetic core plasmon antenna with improved coupling efficiencyZHOU YUCHEN·Filed 2010·Granted May 15, 2012·11 cites·34 claims
- 2788US9881641B1Burst writing for clearance calibration in a heat assisted magnetic data recording systemWESTERN DIGITAL TECH INC·Filed 2016·Granted Jan 30, 2018·9 cites·36 claims
- 2888US6980383B2Monitoring of phenomena indicative of PTP in a magnetic disk driveMAXTOR CORP·Filed 2003·Granted Dec 27, 2005·29 cites·30 claims
- 2988US5864241AMagnetic transducer with wear indicator in a magnetic data storage systemIBM·Filed 1996·Granted Jan 26, 1999·54 cites·21 claims
- 3088US5757590AFusible-link removable shorting of magnetoresistive heads for electrostatic discharge protectionIBM·Filed 1997·Granted May 26, 1998·44 cites·8 claims
- 3188US5638237AFusible-link removable shorting of magnetoresistive heads for electrostatic discharge protectionIBM·Filed 1995·Granted Jun 10, 1997·43 cites·8 claims
- 3287US8934194B2System and method for maintaining a low density gas environment in a disk driveSCHRECK ERHARD·Filed 2011·Granted Jan 13, 2015·9 cites·12 claims
- 3387US8238202B2Directional waveguide coupler for ABS reflected lightSCHRECK ERHARD·Filed 2010·Granted Aug 7, 2012·10 cites·21 claims
- 3487US7502205B1Method of operating read and write transducers by controlling thermal actuationMAXTOR CORP·Filed 2004·Granted Mar 10, 2009·27 cites·10 claims
- 3587US7310195B1System and method for adjusting head-to-disk spacing in a disk driveMAXTOR CORP·Filed 2005·Granted Dec 18, 2007·8 cites·58 claims
- 3686US7885032B1Apparatus and method for bulk erasure of disk drivesSEAGATE TECHNOLOGY LLC·Filed 2006·Granted Feb 8, 2011·10 cites·38 claims
- 3785US10699736B1Data storage device detecting abnormality with a write assist element based on slope of protrusionWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 30, 2020·6 cites·17 claims
- 3885US9595280B2Hard disk drive head-disk interface ditheringHGST Netherlands BV·Filed 2015·Granted Mar 14, 2017·8 cites·21 claims
- 3985US8228643B2Method for manufacturing a magneto-resistance effect element and magnetic recording and reproducing apparatusYUASA HIROMI·Filed 2009·Granted Jul 24, 2012·6 cites·17 claims
- 4085US7561367B2Bi-directional debris sweeping profileSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Jul 14, 2009·6 cites·20 claims
- 4185US6054330AMethod for protecting a magnetoresistive sensor elementIBM·Filed 1997·Granted Apr 25, 2000·33 cites·10 claims
- 4285US6005736AMethod and means for active shock protection in a magnetic disk storage device using electrostatic forcesIBM·Filed 1997·Granted Dec 21, 1999·41 cites·20 claims
- 4384US7933085B2Head spacing verification in magnetic disk drive systems during end-user operationHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Apr 26, 2011·5 cites·18 claims
- 4484US6717759B1Hindering PTP in a hard diskMAXTOR CORP·Filed 2002·Granted Apr 6, 2004·23 cites·45 claims
- 4584US5827424AContaminant reduction system for disk drivesIBM·Filed 1996·Granted Oct 27, 1998·65 cites·7 claims
- 4683US8593915B2Thermally-assisted magnetic recording head capable of reducing the transient protrusion of an antennaSCHRECK ERHARD·Filed 2011·Granted Nov 26, 2013·6 cites·8 claims
- 4783US8284637B2Shaped plasmon generators for thermally-assisted magnetic recordingJIN XUHUI·Filed 2010·Granted Oct 9, 2012·7 cites·18 claims
- 4883US7933095B2Magnetic head for perpendicular magnetic recording including a stopper layer for suppressing protrusion of the front end face of a shieldHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 26, 2011·5 cites·24 claims
- 4983US7443634B2Asymmetrical storage disk for a disk driveSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Oct 28, 2008·4 cites·26 claims
- 5083US6493160B1Pseudo raid implementation within a single disk driveMAXTOR CORP·Filed 2000·Granted Dec 10, 2002·17 cites·7 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →