Inventor · disambiguated record
Yoshitaka Sasaki
Also filed as: SASAKI YOSHITAKA
520 granted patents·11 pending applications·5,653 citations·filing 1979–2024
99Inventor score
Top patents by PatentIndex Score
531 records- 0198US7863095B2Method of manufacturing layered chip packageHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Jan 4, 2011·233 cites·12 claims
- 0298US7698941B2Sensing unit and method of making sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 20, 2010·76 cites·7 claims
- 0397US8787129B1Polarization rotator for thermally assisted magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Jul 22, 2014·39 cites·25 claims
- 0497US7375925B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2005·Granted May 20, 2008·40 cites·29 claims
- 0596US11289117B1Magnetic head including spin torque oscillatorSASAKI YOSHITAKA·Filed 2021·Granted Mar 29, 2022·10 cites·13 claims
- 0696US8767347B1Magnetic head for perpendicular magnetic recording having two side shieldsSASAKI YOSHITAKA·Filed 2013·Granted Jul 1, 2014·62 cites·6 claims
- 0796US8749919B2Magnetic head for perpendicular magnetic recording with shield around main poleSASAKI YOSHITAKA·Filed 2010·Granted Jun 10, 2014·56 cites·7 claims
- 0896US8618646B2Layered chip package and method of manufacturing sameSASAKI YOSHITAKA·Filed 2010·Granted Dec 31, 2013·32 cites·26 claims
- 0996US8477452B2Magnetic head for perpendicular magnetic recording having a tapered main poleSASAKI YOSHITAKA·Filed 2010·Granted Jul 2, 2013·48 cites·6 claims
- 1096US8427781B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2012·Granted Apr 23, 2013·52 cites·9 claims
- 1196US8310787B1Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk driveSASAKI YOSHITAKA·Filed 2011·Granted Nov 13, 2012·52 cites·18 claims
- 1296US8295008B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2011·Granted Oct 23, 2012·66 cites·9 claims
- 1396US7924528B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 12, 2011·34 cites·33 claims
- 1496US7911883B2Near-field light generating element having two different anglesHEADWAY TECHNOLOGIES INC·Filed 2009·Granted Mar 22, 2011·28 cites·16 claims
- 1596US7804666B2Composite shield structure of PMR writer for high track densityHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Sep 28, 2010·27 cites·20 claims
- 1696US7518824B2Magnetic head for perpendicular magnetic recording that has a pole layer having a shape for easy forming, reducing track width and improved writing characteristicsHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Apr 14, 2009·29 cites·17 claims
- 1796US6315875B1Method of manufacturing thin-film magnetic head and method of manufacturing magnetoresistive deviceTDK CORP·Filed 2000·Granted Nov 13, 2001·65 cites·25 claims
- 1895US11211082B1Magnetic head including spin torque oscillatorSASAKI YOSHITAKA·Filed 2021·Granted Dec 28, 2021·7 cites·13 claims
- 1995US9019803B1Laminated plasmon generator with cavity processHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Apr 28, 2015·25 cites·54 claims
- 2095US8493687B2Magnetic head for perpendicular magnetic recording with shield around main poleSASAKI YOSHITAKA·Filed 2010·Granted Jul 23, 2013·40 cites·6 claims
- 2195US8488419B1Hybrid plasmon generator structure and processJIN XUHUI·Filed 2012·Granted Jul 16, 2013·43 cites·30 claims
- 2295US8149653B2Light source unit for thermally-assisted magnetic recording capable of monitoring of light outputSHIMAZAWA KOJI·Filed 2010·Granted Apr 3, 2012·32 cites·14 claims
- 2395US8031433B2Method to make an integrated side shield PMR head with non conformal side gapHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Oct 4, 2011·25 cites·20 claims
- 2495US7628071B2Sensing unit and method of making sameHEADWAY TECHOLOGIES INC·Filed 2007·Granted Dec 8, 2009·73 cites·9 claims
- 2594US8248897B2Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and sliderSHIMAZAWA KOJI·Filed 2010·Granted Aug 21, 2012·28 cites·19 claims
- 2694US8218264B1Magnetic head for perpendicular magnetic recording having a main pole and two shieldsSASAKI YOSHITAKA·Filed 2010·Granted Jul 10, 2012·27 cites·6 claims
- 2794US8194511B2Heat-assisted magnetic recording head with near-field light generating elementSASAKI YOSHITAKA·Filed 2010·Granted Jun 5, 2012·28 cites·7 claims
- 2894US7916425B2Magnetic head having angled pole portionsHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Mar 29, 2011·18 cites·24 claims
- 2994US7796361B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Sep 14, 2010·20 cites·27 claims
- 3094US7663839B2Magnetic head for perpendicular magnetic recording with encasing layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 16, 2010·18 cites·28 claims
- 3194US7365942B2Thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Apr 29, 2008·20 cites·7 claims
- 3294US7227719B2Thin film magnetic head and method of manufacturing the sameSAE MAGNETICS HK LTD·Filed 2003·Granted Jun 5, 2007·45 cites·78 claims
- 3393US11245857B2Apparatus for generating high-dynamic-range image, method, and storage mediumCANON KK·Filed 2018·Granted Feb 8, 2022·7 cites·21 claims
- 3493US8456968B1Thermally-assisted magnetic recording head having dual heat sink layersSASAKI YOSHITAKA·Filed 2012·Granted Jun 4, 2013·23 cites·6 claims
- 3593US8416528B1Magnetic head for perpendicular magnetic recording having a return path sectionSASAKI YOSHITAKA·Filed 2012·Granted Apr 9, 2013·20 cites·12 claims
- 3693US8289649B2Magnetic head for perpendicular magnetic recording with shield around main magnetic poleSASAKI YOSHITAKA·Filed 2010·Granted Oct 16, 2012·28 cites·13 claims
- 3793US8194510B2Heat-assisted magnetic recording head with near-field light generating elementSASAKI YOSHITAKA·Filed 2010·Granted Jun 5, 2012·23 cites·5 claims
- 3893US7940495B2Magnetic head for perpendicular magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2006·Granted May 10, 2011·12 cites·7 claims
- 3993US7557439B1Layered chip package that implements memory deviceTDK CORP·Filed 2008·Granted Jul 7, 2009·31 cites·12 claims
- 4093US7468862B2Magnetic head for perpendicular magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Dec 23, 2008·15 cites·7 claims
- 4193US6459543B1Thin-film magnetic head with helical wound coilTDK CORP·Filed 2000·Granted Oct 1, 2002·43 cites·7 claims
- 4292US9230568B1Magnetic head for perpendicular magnetic recording including a coil having an inclined front end faceIKEGAWA YUKINORI·Filed 2015·Granted Jan 5, 2016·15 cites·9 claims
- 4392US9218835B1Thermally-assisted magnetic recording head including a heat sinkSASAKI YOSHITAKA·Filed 2014·Granted Dec 22, 2015·18 cites·9 claims
- 4492US8379347B2Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layerHEADWAY TECHNOLOGIES INC·Filed 2012·Granted Feb 19, 2013·14 cites·6 claims
- 4592US8012802B2Method of manufacturing layered chip packageHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Sep 6, 2011·16 cites·7 claims
- 4692US7633714B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Dec 15, 2009·15 cites·12 claims
- 4792US7394621B2Using bilayer lithography process to define neck height for PMRHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jul 1, 2008·34 cites·37 claims
- 4892US6742241B1Method of manufacturing thin film magnetic head and thin film magnetic headTDK CORP·Filed 2000·Granted Jun 1, 2004·38 cites·15 claims
- 4992US6731460B2Thin film magnetic head, method of manufacturing the same and method of forming magnetic layer patternTDK CORP·Filed 2001·Granted May 4, 2004·39 cites·28 claims
- 5092US6624971B1Thin film magnetic head and method of manufacturing the sameTDK CORP·Filed 2000·Granted Sep 23, 2003·36 cites·18 claims
Showing the top 50 of 531 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →