Inventor · disambiguated record
Won-Choul Yang
Also filed as: YANG WON C · YANG WON-CHOUL
20 granted patents·5 pending applications·197 citations·filing 2002–2017
95Inventor score
Technology areasG11B
Top patents by PatentIndex Score
25 records- 0195US9153272B1Characterizing laser output in a HAMR deviceSEAGATE TECHNOLOGY LLC·Filed 2014·Granted Oct 6, 2015·34 cites·20 claims
- 0291US7355803B2Method and apparatus for optimizing hard disc drive and/or recording medium for the sameSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Apr 8, 2008·33 cites·14 claims
- 0388US7602573B2Device and method for adjusting distance between magnetic head and data storage mediumSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Oct 13, 2009·9 cites·22 claims
- 0487US9607642B1Head-medium contact detection using a thermal sensor and surface charge control of a sliderSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Mar 28, 2017·9 cites·21 claims
- 0586US10043540B1Health monitoring for head of a heat-magnetic recording device using a writer-reader offsetSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Aug 7, 2018·6 cites·20 claims
- 0686US9437234B1Head-medium contact detection using high frequency heater oscillationSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Sep 6, 2016·8 cites·23 claims
- 0786US9355671B2Controlling laser output in a HAMR deviceSEAGATE TECHNOLOGY LLC·Filed 2014·Granted May 31, 2016·8 cites·12 claims
- 0886US6954320B2Method and apparatus for determining disk drive parameter in accordance with ambient temperatureSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Oct 11, 2005·22 cites·17 claims
- 0984US7009800B2Method to control flying height between a head and a disk and apparatus thereofSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Mar 7, 2006·18 cites·17 claims
- 1083US9741378B1Health monitoring for head of a heat-assisted magnetic recording device using a writer-reader offsetSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Aug 22, 2017·5 cites·20 claims
- 1182US7649706B2Apparatus, medium, and method controlling flying height of a magnetic head of a disk driveSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Jan 19, 2010·5 cites·17 claims
- 1282US7062698B2Method and apparatus to control head instability in a data storage systemSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Jun 13, 2006·16 cites·26 claims
- 1381US9245561B1Apparatus and method for measuring surface charge of a sliderSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Jan 26, 2016·6 cites·20 claims
- 1481US7450328B2Method for recording bursts on a disk and related apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Nov 11, 2008·4 cites·10 claims
- 1577US8730602B2Method and apparatus for detecting touch-down and contact between a head and a storage medium using a sensor, and a disk drive and storage medium using the methodYANG WON-CHOUL·Filed 2011·Granted May 20, 2014·6 cites·19 claims
- 1673US8934185B2Storage device head instability recovery by heating from head heaterSEAGATE TECHNOLOGY LLC·Filed 2012·Granted Jan 13, 2015·3 cites·20 claims
- 1770US8934188B1Adaptive write pole tip protrusion compensationSEAGATE TECHNOLOGY LLC·Filed 2013·Granted Jan 13, 2015·2 cites·20 claims
- 1865US9472229B1Adaptive laser output control in a HAMR deviceSEAGATE TECHNOLOGY LLC·Filed 2015·Granted Oct 18, 2016·2 cites·14 claims
- 1963US9195533B1Addressing variations in bit error rates amongst data storage segmentsSEAGATE TECHNOLOGY LLC·Filed 2013·Granted Nov 24, 2015·1 cites·19 claims
- 2049US2008291564A1Detecting head-disk contact during off-track operationsSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 2147US2007121233A1Information recording and reproducing apparatusSUGAWARA TAKAO·Filed 2006·Application pending·0 cites
- 2247US2006268464A1Method, medium, and apparatus controlling domain characteristics of a magneto-resistive sensorSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2345US2006139788A1Method, medium, and apparatus recording a servo patternSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 2442US7466505B2Dummy write method for improving performance of data storage system and apparatus thereforSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Dec 16, 2008·0 cites·15 claims
- 2540US2011235208A1Method of detecting the touch-down of a head, method of adjusting a head flying height using the method of detecting the touch-down of the head, and disk drive using the method of detecting the touch-down of the headSAMSUNG ELECTRONICS CO LTD·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →