Inventor · disambiguated record
Michael K. Grobis
Also filed as: GROBIS MICHAEL · GROBIS MICHAEL K · GROBIS MICHAEL KONRAD
58 granted patents·6 pending applications·278 citations·filing 2009–2024
98Inventor score
Files withSANDISK TECHNOLOGIES LLC31HGST Netherlands BV12WESTERN DIGITAL TECH INC6GROBIS MICHAEL K5GROBIS MICHAEL KONRAD4
Top patents by PatentIndex Score
64 records- 0197US11488662B2Concurrent multi-bit access in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2020·Granted Nov 1, 2022·5 cites·21 claims
- 0297US11398262B1Forced current access with voltage clamping in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jul 26, 2022·5 cites·20 claims
- 0397US8699162B1Shingled magnetic recording disk drive with multiple data zones containing different numbers of error-correction-code sectorsHGST Netherlands BV·Filed 2012·Granted Apr 15, 2014·60 cites·18 claims
- 0495US9530445B1Perpendicular heat-assisted magnetic recording (HAMR) medium with a perovskite oxide intermediate layerHGST Netherlands BV·Filed 2016·Granted Dec 27, 2016·24 cites·20 claims
- 0593US11972787B2Cross-point array refresh schemeSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Apr 30, 2024·2 cites·14 claims
- 0693US11031435B2Memory device containing ovonic threshold switch material thermal isolation and method of making the sameWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 8, 2021·6 cites·12 claims
- 0793US10777248B1Heat assisted perpendicular spin transfer torque MRAM memory cellWESTERN DIGITAL TECH INC·Filed 2019·Granted Sep 15, 2020·5 cites·18 claims
- 0892US11289171B1Multi-level ultra-low power inference engine acceleratorSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Mar 29, 2022·3 cites·20 claims
- 0992US8514672B2Near-field transducer with thermal sensor and system for clocking write data in a patterned-media magnetic recording disk driveGROBIS MICHAEL KONRAD·Filed 2010·Granted Aug 20, 2013·19 cites·17 claims
- 1091US11271040B1Memory device containing selector with current focusing layer and methods of making the sameWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 8, 2022·2 cites·20 claims
- 1191US8432633B2System, method and apparatus for storage architecture for bit patterned media using both erase band and shingled magnetic recordingGROBIS MICHAEL K·Filed 2010·Granted Apr 30, 2013·15 cites·16 claims
- 1291US8081542B1Thermally-assisted recording (TAR) disk drive with patterned multilevel media and laser with power modulationGROBIS MICHAEL KONRAD·Filed 2010·Granted Dec 20, 2011·19 cites·14 claims
- 1390US11972822B2Programmable ECC for MRAM mixed-read schemeSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Apr 30, 2024·2 cites·19 claims
- 1490US10839897B1Set/reset methods for crystallization improvement in phase change memoriesSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Nov 17, 2020·9 cites·19 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
- 1690US8048546B2Perpendicular magnetic recording disk with ordered nucleation layer and method for making the diskHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Nov 1, 2011·10 cites·7 claims
- 1787US8355300B2Thermally-assisted recording (TAR) patterned-media disk drive with optical detection of write synchronization and servo fieldsHITACHI GLOBAL STORAGE TECH NL·Filed 2010·Granted Jan 15, 2013·9 cites·26 claims
- 1886US11978491B2Mixed current-forced read scheme for MRAM array with selectorSANDISK TECHNOLOGIES LLC·Filed 2021·Granted May 7, 2024·1 cites·18 claims
- 1986US10388646B1Electrostatic discharge protection devices including a field-induced switching elementSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Aug 20, 2019·5 cites·4 claims
- 2086US9818440B1Heat assisted magnetic recording system having at least three possible magnetic configurations per physical bitHGST Netherlands BV·Filed 2016·Granted Nov 14, 2017·7 cites·23 claims
- 2186US8786972B2Magnetic recording disk drive with method for recovery of data from failed data sectorsHGST Netherlands BV·Filed 2012·Granted Jul 22, 2014·8 cites·16 claims
- 2285US11894037B2First fire and cold start in memories with threshold switching selectorsSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Feb 6, 2024·1 cites·20 claims
- 2384US10891999B1Perpendicular SOT MRAMWESTERN DIGITAL TECH INC·Filed 2019·Granted Jan 12, 2021·2 cites·19 claims
- 2482US10553647B2Methods and apparatus for three-dimensional non-volatile memorySANDISK TECHNOLOGIES LLC·Filed 2018·Granted Feb 4, 2020·5 cites·21 claims
- 2582US10355049B1Methods and apparatus for three-dimensional non-volatile memorySANDISK TECHNOLOGIES LLC·Filed 2018·Granted Jul 16, 2019·5 cites·21 claims
- 2682US9601145B1Heat-assisted magnetic recording (HAMR) disk with multiple continuous magnetic recording layersHGST Netherlands BV·Filed 2016·Granted Mar 21, 2017·6 cites·20 claims
- 2782US8737002B1Magnetic recording disk with patterned nondata islands with different sizes and opposite polarity and method for making the diskHGST Netherlands BV·Filed 2013·Granted May 27, 2014·5 cites·22 claims
- 2879US11501831B2Power off recovery in cross-point memory with threshold switching selectorsSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Nov 15, 2022·1 cites·20 claims
- 2979US8755142B2Magnetic recording disk drive with method for data preservation during high track misregistration (TMR) environmentGROBIS MICHAEL KONRAD·Filed 2012·Granted Jun 17, 2014·5 cites·16 claims
- 3079US8625229B2Servo control in a patterned-media magnetic recording disk drive using a reference tableALBRECHT THOMAS R·Filed 2012·Granted Jan 7, 2014·4 cites·15 claims
- 3179US8213103B2Write synchronization in patterned magnetic mediaGROBIS MICHAEL K·Filed 2009·Granted Jul 3, 2012·3 cites·27 claims
- 3277US12237010B2Concurrent multi-bit self-referenced read of programmable resistance memory cells in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2022·Granted Feb 25, 2025·0 cites·20 claims
- 3376US8475670B2Method for manufacturing a patterned magnetic media with offset data and servo regionsGROBIS MICHAEL K·Filed 2011·Granted Jul 2, 2013·4 cites·11 claims
- 3475US11004489B2Perpendicular spin transfer torque MRAM memory cell with in-stack thermal barriersWESTERN DIGITAL TECH INC·Filed 2019·Granted May 11, 2021·1 cites·15 claims
- 3574US12205638B2Concurrent write to programmable resistance memory cells in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2022·Granted Jan 21, 2025·0 cites·18 claims
- 3672US10622063B2Phase change memory device with reduced read disturb and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Apr 14, 2020·3 cites·16 claims
- 3771US11688446B2Forced current access with voltage clamping in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2022·Granted Jun 27, 2023·0 cites·20 claims
- 3871US11682442B2Forced current access with voltage clamping in cross-point arraySANDISK TECHNOLOGIES LLC·Filed 2022·Granted Jun 20, 2023·0 cites·20 claims
- 3970US12300296B2Cross-point array refresh schemeSANDISK TECHNOLOGIES LLC·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 4069US10868245B1Phase change memory device with crystallization template and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Dec 15, 2020·2 cites·18 claims
- 4168US8920948B2Substrate patterning in perpendicular storage mediaFOLKS LIESL·Filed 2011·Granted Dec 30, 2014·2 cites·9 claims
- 4267US12327040B2Fast self-referenced read of programmable resistance memory cellsSANDISK TECHNOLOGIES LLC·Filed 2023·Granted Jun 10, 2025·0 cites·20 claims
- 4367US8786985B1System, method and apparatus for storage architecture for bit patterned media using both erase band and shingled magnetic recordingHGST Netherlands BV·Filed 2013·Granted Jul 22, 2014·1 cites·15 claims
- 4466US12205640B2Overwrite read methods for resistance switching memory devicesSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jan 21, 2025·0 cites·18 claims
- 4564US11783895B2Power off recovery in cross-point memory with threshold switching selectorsSANDISK TECHNOLOGIES LLC·Filed 2022·Granted Oct 10, 2023·0 cites·20 claims
- 4664US9190093B2Reduced adjacent track errors in bit-patterned mediaHGST Netherlands BV·Filed 2013·Granted Nov 17, 2015·1 cites·7 claims
- 4762US11355188B2One selector one resistor RAM threshold voltage drift and offset voltage compensation methodsSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jun 7, 2022·0 cites·20 claims
- 4859US11081174B2Set/reset methods for crystallization improvement in phase change memoriesSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Aug 3, 2021·0 cites·20 claims
- 4959US2025386523A1Tunneling barrier resistor and methods for forming the sameSANDISK TECHNOLOGIES LLC·Filed 2024·Application pending·0 cites
- 5058US9251835B2Patterned magnetic media with offset data and servo regionsHGST Netherlands BV·Filed 2013·Granted Feb 2, 2016·0 cites·10 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →