Inventor · disambiguated record
Gerardo A. Bertero
Also filed as: BERTERO GERARDO · BERTERO GERARDO A
59 granted patents·5 pending applications·2,153 citations·filing 1994–2022
99Inventor score
Files withWESTERN DIGITAL FREMONT LLC18KOMAG INC9SANDISK TECHNOLOGIES LLC8WESTERN DIGITAL TECH INC8WD MEDIA INC7
Top patents by PatentIndex Score
64 records- 0198US10700093B1Ferroelectric memory devices employing conductivity modulation of a thin semiconductor material or a two-dimensional charge carrier gas and methods of operating the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Jun 30, 2020·42 cites·20 claims
- 0298US7656615B2Perpendicular magnetic recording disk with a soft magnetic layer having a discrete track recording patternWD MEDIA INC·Filed 2006·Granted Feb 2, 2010·72 cites·15 claims
- 0398US7608193B2Perpendicular magnetic discrete track recording diskWD MEDIA INC·Filed 2006·Granted Oct 27, 2009·76 cites·10 claims
- 0498US7549209B2Method of fabricating a magnetic discrete track recording diskWD MEDIA INC·Filed 2005·Granted Jun 23, 2009·108 cites·7 claims
- 0598US7147790B2Perpendicular magnetic discrete track recording diskKOMAG INC·Filed 2002·Granted Dec 12, 2006·159 cites·41 claims
- 0697US8891207B1Connection schemes for a multiple sensor array usable in two-dimensional magnetic recordingWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Nov 18, 2014·57 cites·28 claims
- 0797US8658292B1Systems and methods for controlling damping of magnetic media for assisted magnetic recordingMALLARY MICHAEL L·Filed 2011·Granted Feb 25, 2014·82 cites·4 claims
- 0897US8605382B1Disk drive to load a head to a load/unload (LUL) zone of a diskMALLARY MICHAEL L·Filed 2011·Granted Dec 10, 2013·109 cites·22 claims
- 0997US8488276B1Perpendicular magnetic recording medium with grain isolation magnetic anistropy layerJUNG HONG-SIK·Filed 2008·Granted Jul 16, 2013·78 cites·28 claims
- 1097US8394243B1Sputtered cobalt oxide for perpendicular magnetic recording medium with low media noiseJUNG HONG-SIK·Filed 2008·Granted Mar 12, 2013·75 cites·21 claims
- 1197US7070870B2Magnetic media with improved exchange couplingKOMAG INC·Filed 2005·Granted Jul 4, 2006·93 cites·10 claims
- 1297US6500567B1Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the sameKOMAG INC·Filed 2000·Granted Dec 31, 2002·86 cites·13 claims
- 1397US6150015AUltra-thin nucleation layer for magnetic thin film media and the method for manufacturing the sameKOMAG INC·Filed 1997·Granted Nov 21, 2000·151 cites·52 claims
- 1496US10788547B2Voltage-controlled interlayer exchange coupling magnetoresistive memory device and method of operating thereofSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Sep 29, 2020·24 cites·20 claims
- 1596US8743666B1Energy assisted magnetic recording medium capable of suppressing high DC readback noiseBERTERO GERARDO A·Filed 2011·Granted Jun 3, 2014·72 cites·18 claims
- 1696US8565050B1Heat assisted magnetic recording media having moment keeper layerBERTERO GERARDO A·Filed 2011·Granted Oct 22, 2013·71 cites·8 claims
- 1795US7179549B2Magnetic recording medium having novel underlayer structureKOMAG INC·Filed 2004·Granted Feb 20, 2007·72 cites·34 claims
- 1895US6899959B2Magnetic media with improved exchange couplingKOMAG INC·Filed 2002·Granted May 31, 2005·88 cites·44 claims
- 1995US6893748B2Soft magnetic film for perpendicular recording diskKOMAG INC·Filed 2003·Granted May 17, 2005·90 cites·22 claims
- 2094US9236560B1Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropyWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Jan 12, 2016·14 cites·20 claims
- 2194US9087527B1Apparatus and method for middle shield connection in magnetic recording transducersWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Jul 21, 2015·24 cites·20 claims
- 2294US9042058B1Shield designed for middle shields in a multiple sensor arrayWESTERN DIGITAL TECH INC·Filed 2013·Granted May 26, 2015·24 cites·19 claims
- 2394US8908333B1Shield designed for middle shields in a multiple sensor arrayWESTERN DIGITAL FREMONT LLC·Filed 2013·Granted Dec 9, 2014·28 cites·27 claims
- 2494US6482505B1Multi-layer texture layerKOMAG INC·Filed 2000·Granted Nov 19, 2002·81 cites·46 claims
- 2592US9786305B1Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applicationsWESTERN DIGITAL (FREMONT) LLC·Filed 2016·Granted Oct 10, 2017·14 cites·23 claims
- 2692US8988812B1Multi-sensor array configuration for a two-dimensional magnetic recording (TDMR) operationWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Mar 24, 2015·16 cites·28 claims
- 2792US8867322B1Systems and methods for providing thermal barrier bilayers for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Oct 21, 2014·20 cites·25 claims
- 2892US8597723B1Perpendicular magnetic recording medium with single domain exchange-coupled soft magnetic underlayer and device incorporating sameJUNG HONG-SIK·Filed 2011·Granted Dec 3, 2013·69 cites·9 claims
- 2991US9269382B1Method and system for providing a read transducer having improved pinning of the pinned layer at higher recording densitiesWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Feb 23, 2016·13 cites·18 claims
- 3091US9214172B2Method of manufacturing a magnetic read headWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Dec 15, 2015·11 cites·12 claims
- 3191US8970988B1Electric gaps and method for making electric gaps for multiple sensor arraysWESTERN DIGITAL FREMONT LLC·Filed 2014·Granted Mar 3, 2015·16 cites·22 claims
- 3290US10839897B1Set/reset methods for crystallization improvement in phase change memoriesSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Nov 17, 2020·9 cites·19 claims
- 3389US11271009B2Ferroelectric memory devices employing conductivity modulation of a thin semiconductor material or a two-dimensional charge carrier gas and methods of operating the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Mar 8, 2022·2 cites·18 claims
- 3489US9666214B1Free layer magnetic reader that may have a reduced shield-to-shield spacingWESTERN DIGITAL (FREMONT) LLC·Filed 2015·Granted May 30, 2017·9 cites·21 claims
- 3588US6730420B1Magnetic thin film recording media having extremely low noise and high thermal stabilityKOMAG INC·Filed 2000·Granted May 4, 2004·79 cites·42 claims
- 3687US9824711B1Soft underlayer for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Nov 21, 2017·11 cites·11 claims
- 3787US9431039B1Multiple sensor array usable in two-dimensional magnetic recordingWESTERN DIGITAL (FREMONT) LLC·Filed 2013·Granted Aug 30, 2016·9 cites·26 claims
- 3886US9245556B2Disk drive employing multiple read elements to increase radial band for two-dimensional magnetic recordingWESTERN DIGITAL TECH INC·Filed 2014·Granted Jan 26, 2016·8 cites·24 claims
- 3985US9070406B1Disk drive configuring one-dimensional and two-dimensional recording areas based on read element spacingWESTERN DIGITAL TECH INC·Filed 2014·Granted Jun 30, 2015·7 cites·16 claims
- 4083US10068601B1Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side biasWESTERN DIGITAL FREMONT LLC·Filed 2016·Granted Sep 4, 2018·6 cites·19 claims
- 4183US9786301B1Apparatuses and methods for providing thin shields in a multiple sensor arrayWESTERN DIGITAL (FREMONT) LLC·Filed 2014·Granted Oct 10, 2017·6 cites·28 claims
- 4283US9705072B2Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropyWESTERN DIGITAL (FREMONT) LLC·Filed 2016·Granted Jul 11, 2017·2 cites·23 claims
- 4383US9034492B1Systems and methods for controlling damping of magnetic media for heat assisted magnetic recordingWD MEDIA INC·Filed 2013·Granted May 19, 2015·6 cites·42 claims
- 4483US9001630B1Energy assisted magnetic recording medium capable of suppressing high DC readback noiseWESTERN DIGITAL TECH INC·Filed 2014·Granted Apr 7, 2015·5 cites·2 claims
- 4582US9047880B1Heat assisted magnetic recording method for media having moment keeper layerWD MEDIA LLC·Filed 2013·Granted Jun 2, 2015·4 cites·11 claims
- 4678US5660930AMultilayered thin films for perpendicular magnetic recordingUNIV LELAND STANFORD JUNIOR·Filed 1994·Granted Aug 26, 1997·41 cites·22 claims
- 4777US10115428B1HAMR media structure having an anisotropic thermal barrier layerWD MEDIA INC·Filed 2013·Granted Oct 30, 2018·4 cites·12 claims
- 4872US9431032B1Electrical connection arrangement for a multiple sensor array usable in two-dimensional magnetic recordingWESTERN DIGITAL (FREMONT) LLC·Filed 2013·Granted Aug 30, 2016·2 cites·27 claims
- 4972US9183867B1Systems and methods for forming implanted capping layers in magnetic media for magnetic recordingWD MEDIA INC·Filed 2013·Granted Nov 10, 2015·2 cites·20 claims
- 5069US10868245B1Phase change memory device with crystallization template and method of making the sameSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Dec 15, 2020·2 cites·18 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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