Inventor · disambiguated record
B. Ramamurthy Acharya
Also filed as: ACHARYA B RAMAMURTHY
39 granted patents·3 pending applications·947 citations·filing 2000–2017
98Inventor score
Top patents by PatentIndex Score
42 records- 0197US8787124B1Systems and methods for extracting Curie temperature distribution in heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Jul 22, 2014·62 cites·16 claims
- 0297US8488276B1Perpendicular magnetic recording medium with grain isolation magnetic anistropy layerJUNG HONG-SIK·Filed 2008·Granted Jul 16, 2013·78 cites·28 claims
- 0397US8394243B1Sputtered cobalt oxide for perpendicular magnetic recording medium with low media noiseJUNG HONG-SIK·Filed 2008·Granted Mar 12, 2013·75 cites·21 claims
- 0497US8173282B1Perpendicular magnetic recording medium with an ordering temperature reducing layerSUN CHENGJUN·Filed 2009·Granted May 8, 2012·98 cites·17 claims
- 0596US8787130B1Systems and methods for providing heat assisted magnetic recording media configured to couple energy from a near field transducerWD MEDIA LLC·Filed 2013·Granted Jul 22, 2014·70 cites·31 claims
- 0696US8609263B1Systems and methods for forming magnetic media with an underlayerCHERNYSHOV ALEXANDER·Filed 2011·Granted Dec 17, 2013·74 cites·35 claims
- 0796US8530065B1Composite magnetic recording mediumCHERNYSHOV ALEXANDER·Filed 2010·Granted Sep 10, 2013·84 cites·49 claims
- 0894US8605555B1Recording media with multiple bi-layers of heatsink layer and amorphous layer for energy assisted magnetic recording system and methods for fabricating the sameCHERNYSHOV ALEXANDER S·Filed 2012·Granted Dec 10, 2013·92 cites·23 claims
- 0993US8941950B2Underlayers for heat assisted magnetic recording (HAMR) mediaYUAN HUA·Filed 2012·Granted Jan 27, 2015·25 cites·7 claims
- 1093US8758912B2Interlayers for magnetic recording mediaSRINIVASAN KUMAR·Filed 2011·Granted Jun 24, 2014·54 cites·16 claims
- 1192US9177585B1Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recordingWD MEDIA LLC·Filed 2013·Granted Nov 3, 2015·20 cites·19 claims
- 1292US8889275B1Single layer small grain size FePT:C film for heat assisted magnetic recording mediaYUAN HUA·Filed 2010·Granted Nov 18, 2014·7 cites·22 claims
- 1392US8867322B1Systems 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
- 1492US8110298B1Media for high density perpendicular magnetic recordingCHOE GUNN·Filed 2006·Granted Feb 7, 2012·18 cites·25 claims
- 1590US9824710B1Heat-assisted magnetic recording (HAMR) medium with thermal barrier layer in multilayered heat-sink structureWESTERN DIGITAL TECH INC·Filed 2017·Granted Nov 21, 2017·11 cites·23 claims
- 1687US6610424B1Magnetic recording medium and magnetic storage apparatusFUJITSU LTD·Filed 2000·Granted Aug 26, 2003·22 cites·32 claims
- 1785US7901802B2Magnetic recording medium for perpendicular magnetic recordingSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Mar 8, 2011·5 cites·2 claims
- 1884US9542968B1Single layer small grain size FePT:C film for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Jan 10, 2017·2 cites·11 claims
- 1984US8277962B2Magnetic recording medium for perpendicular magnetic recordingZHOU JIANING·Filed 2010·Granted Oct 2, 2012·7 cites·11 claims
- 2084US7241516B1Soft magnetic underlayer with exchange coupling induced anisotropy for perpendicular magnetic recording mediaMAXTOR CORP·Filed 2004·Granted Jul 10, 2007·19 cites·17 claims
- 2184US6551728B1Magnetic recording medium and magnetic storage apparatusFUJITSU LTD·Filed 2000·Granted Apr 22, 2003·19 cites·17 claims
- 2282US9449633B1Smooth structures for heat-assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Sep 20, 2016·5 cites·22 claims
- 2381US8947987B1Systems and methods for providing capping layers for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Feb 3, 2015·5 cites·22 claims
- 2478US6623875B2Magnetic recording medium and magnetic storage apparatusFUJITSU LTD·Filed 2001·Granted Sep 23, 2003·21 cites·11 claims
- 2576US9218850B1Exchange break layer for heat-assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Dec 22, 2015·3 cites·19 claims
- 2675US9190094B2Perpendicular recording media with grain isolation initiation layer and exchange breaking layer for signal-to-noise ratio enhancementWD MEDIA LLC·Filed 2013·Granted Nov 17, 2015·4 cites·18 claims
- 2772US7241517B2Magnetic recording medium and magnetic storage apparatusFUJITSU LTD·Filed 2004·Granted Jul 10, 2007·8 cites·13 claims
- 2870US6773833B2Magnetic storage medium having improved thermal stability and a magnetic storage device using such a high-density magnetic storage mediumFUJITSU LTD·Filed 2001·Granted Aug 10, 2004·8 cites·9 claims
- 2968US9401170B1Perpendicular magnetic recording medium with epitaxial exchange coupling layerSUN CHENGJUN·Filed 2009·Granted Jul 26, 2016·1 cites·22 claims
- 3068US9269480B1Systems and methods for forming magnetic recording media with improved grain columnar growth for energy assisted magnetic recordingAJAN ANTONY·Filed 2012·Granted Feb 23, 2016·2 cites·19 claims
- 3168US8945732B1Dual-magnetic layer high anisotropy media with orientation initialization layerYUAN HUA·Filed 2010·Granted Feb 3, 2015·2 cites·11 claims
- 3267US11074934B1Heat assisted magnetic recording (HAMR) media with Curie temperature reduction layerWD MEDIA LLC·Filed 2015·Granted Jul 27, 2021·1 cites·20 claims
- 3366US6677051B1Magnetic recording medium with dual magnetic layers having specific composition requirements and a magnetic storage apparatusFUJITSU LTD·Filed 2000·Granted Jan 13, 2004·11 cites·11 claims
- 3465US8993133B1Intermediate layer for perpendicular magnetic recording medium with high permeability grain boundariesLI SHAOPING·Filed 2010·Granted Mar 31, 2015·1 cites·27 claims
- 3563US7264892B2Magnetic recording medium and magnetic storage apparatusFUJITSU LTD·Filed 2004·Granted Sep 4, 2007·4 cites·14 claims
- 3662US7592079B1Method to improve remanence-squareness-thickness-product and coercivity profiles in magnetic mediaSEAGATE TECHNOLOGY LLC·Filed 2004·Granted Sep 22, 2009·4 cites·25 claims
- 3762US6893735B2Magnetic recording medium with anti-ferromagnetically coupled magnetic layers, and magnetic storage apparatusFUJITSU LTD·Filed 2003·Granted May 17, 2005·4 cites·10 claims
- 3861US9028985B2Recording media with multiple exchange coupled magnetic layersDESAI MRUGESH·Filed 2011·Granted May 12, 2015·1 cites·26 claims
- 3955US9005781B2Magnetic recording medium for perpendicular magnetic recordingZHOU JIANING·Filed 2012·Granted Apr 14, 2015·0 cites·3 claims
- 4050US2010035085A1Perpendicular magnetic recording medium with improved magnetic anisotropy fieldWD MEDIA INC·Filed 2008·Application pending·0 cites
- 4144US2016148634A1Magnetic recording media with improved grain columnar growth for energy assisted magnetic recordingWD MEDIA LLC·Filed 2016·Application pending·0 cites
- 4239US2012251842A1Low roughness heatsink design for heat assisted magnetic recording mediaYUAN HUA·Filed 2011·Application pending·0 cites
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