Inventor · disambiguated record
Erhard Schreck
Also filed as: SCHRECK ERHARD · SCHRECK ERHARD S
36 granted patents·2 pending applications·394 citations·filing 2007–2023
97Inventor score
Files withHGST Netherlands BV26WESTERN DIGITAL TECH INC8CONTRERAS JOHN1HITACHI GLOBAL STORAGE TECH1RICHTER HANS J1
Top patents by PatentIndex Score
38 records- 0196US11735210B2Preamplifier with read/write power channelsWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 22, 2023·6 cites·20 claims
- 0295US8995088B1Heat sink for a spin torque oscillator (STO) in microwave assisted magnetic recording (MAMR)HGST Netherlands BV·Filed 2013·Granted Mar 31, 2015·54 cites·20 claims
- 0395US8902720B1Heat-assisted magnetic recording (HAMR) write head with protective film for near-field transducerHGST Netherlands BV·Filed 2014·Granted Dec 2, 2014·38 cites·20 claims
- 0495US8705323B2TAR temperature sensor having faster response timeHGST Netherlands BV·Filed 2012·Granted Apr 22, 2014·30 cites·12 claims
- 0594US9047926B2Dual thermal sensor for HAMR waveguide power monitor and integration with the contact sensorHGST Netherlands BV·Filed 2013·Granted Jun 2, 2015·24 cites·21 claims
- 0694US8854930B1Slider embedded photodetector for optical power monitoring in heat assisted magnetic recordingHGST Netherlands BV·Filed 2013·Granted Oct 7, 2014·22 cites·20 claims
- 0794US8842506B1Heat-assisted magnetic recording (HAMR) disk drive with fly-height sensingHGST Netherlands BV·Filed 2013·Granted Sep 23, 2014·28 cites·17 claims
- 0894US8810947B1Recessing a near field transducer in a heat-assisted magnetic recording headHGST Netherlands BV·Filed 2013·Granted Aug 19, 2014·26 cites·12 claims
- 0992US10468071B1Magnetic storage device with heat-assisted magnetic storage head and associated method of manufactureWESTERN DIGITAL TECH INC·Filed 2018·Granted Nov 5, 2019·18 cites·17 claims
- 1091US8908483B1Implementing contact sensing with near field transducer (NFT) and in-drive NFT characterization diagnostics in heat-assisted magnetic recording (HAMR) HDDHGST Netherlands BV·Filed 2014·Granted Dec 9, 2014·24 cites·20 claims
- 1190US11170814B1Heat treatment of NFT on heat-assisted magnetic recording deviceWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 9, 2021·3 cites·19 claims
- 1290US10910007B1Heat-assisted magnetic recording device capable of providing negative electrical potential at NFTWESTERN DIGITAL TECH INC·Filed 2020·Granted Feb 2, 2021·5 cites·14 claims
- 1390US9153290B1Intra-zone wear leveling for heat-assisted magnetic recording—shingled magnetic recording (HAMR-SMR) type storage devicesHGST Netherlands BV·Filed 2015·Granted Oct 6, 2015·11 cites·20 claims
- 1490US9099112B1Near field transducer having notch diffusion barrierHGST Netherlands BV·Filed 2014·Granted Aug 4, 2015·17 cites·20 claims
- 1590US9087546B1Combined micro heater and waveguide power sensor for heat-assisted magnetic recordingHGST Netherlands BV·Filed 2014·Granted Jul 21, 2015·11 cites·20 claims
- 1689US7542228B2Frictional heat assisted recordingHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jun 2, 2009·9 cites·21 claims
- 1788US9042209B2E-antenna near field transducer with thermal shunt to return poleHGST Netherlands BV·Filed 2013·Granted May 26, 2015·9 cites·18 claims
- 1888US8570842B1Tar with write-synchronized laser modulationRICHTER HANS J·Filed 2012·Granted Oct 29, 2013·13 cites·19 claims
- 1987US12046265B1Data storage device with enhanced management of laser pre-bias and logic block addressing in heat-assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 23, 2024·1 cites·20 claims
- 2086US9070397B1Write current and media heater control for heat or microwave assisted magnetic recordingHGST Netherlands BV·Filed 2014·Granted Jun 30, 2015·8 cites·18 claims
- 2185US12230304B2Data 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
- 2283US8743667B1Method for controlling writing in a thermally-assisted recording (TAR) disk drive with thermal fly-height controlHGST Netherlands BV·Filed 2013·Granted Jun 3, 2014·7 cites·14 claims
- 2382US10175122B2HAMR thermal sensor with fast response timeHGST Netherlands BV·Filed 2016·Granted Jan 8, 2019·2 cites·19 claims
- 2481US9311943B2Compensation of laser diode introduced flying height changesHGST Netherlands BV·Filed 2014·Granted Apr 12, 2016·5 cites·16 claims
- 2580US8941944B1System and method for evenly distributing thermal exposure to disk in heat-assisted magnetic recording (HAMR)HGST Netherlands BV·Filed 2014·Granted Jan 27, 2015·4 cites·21 claims
- 2678US9595281B2Tunable contact detection sensitivity to directly measure clearance of protrusions in magnetic recording headsHGST Netherlands BV·Filed 2015·Granted Mar 14, 2017·4 cites·20 claims
- 2777US9401169B1Implementing enhanced ultrafast touchdown measurement scheme using thermal and voltage actuation for hard disk drivesHGST Netherlands BV·Filed 2015·Granted Jul 26, 2016·4 cites·20 claims
- 2875US8553506B2Preheat feature for thermally assisted recordingCONTRERAS JOHN·Filed 2011·Granted Oct 8, 2013·3 cites·24 claims
- 2974US9460739B1Monitoring and controlling the electrochemical wear at the head-disk interfaceHGST Netherlands BV·Filed 2015·Granted Oct 4, 2016·3 cites·16 claims
- 3070US8976480B1Method to convert and calibrate the embedded contact sensor signal to clearance and spacing information using interface voltage controlHGST Netherlands BV·Filed 2013·Granted Mar 10, 2015·2 cites·22 claims
- 3170US8797671B2Excitation of airbearing oscillation with tar nearfield device for touchdown detectionRUIZ OSCAR J·Filed 2012·Granted Aug 5, 2014·2 cites·15 claims
- 3256US9424865B2Near field transducer anneal for heat assisted magnetic recordingHGST Netherlands BV·Filed 2014·Granted Aug 23, 2016·0 cites·7 claims
- 3354US10564053B2HAMR thermal sensor with fast response timeWESTERN DIGITAL TECH INC·Filed 2018·Granted Feb 18, 2020·0 cites·19 claims
- 3449US11715493B1Long-term spacing compensation for heat assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2022·Granted Aug 1, 2023·0 cites·20 claims
- 3548US9312141B2Vapor phase chemical mechanical polishing of magnetic recording disksHGST Netherlands BV·Filed 2013·Granted Apr 12, 2016·0 cites·16 claims
- 3648US8908312B2Dynamic fly height control that is insensitive to off-track motionHGST Netherlands BV·Filed 2012·Granted Dec 9, 2014·0 cites·22 claims
- 3745US2015199987A1System and method for nft protrusion compensationHGST Netherlands BV·Filed 2014·Application pending·0 cites
- 3834US2017221511A1Reducing carbonaceous smear at the nft area on hamr headHGST Netherlands BV·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →