Assignee
SASAKI YOSHITAKA
162 granted patents·1 pending application·1,198 citations·filing 1980–2021
Top patents by PatentIndex Score
163 records- 0196US11289117B1Magnetic head including spin torque oscillatorSASAKI YOSHITAKA·Filed 2021·Granted Mar 29, 2022·10 cites·13 claims
- 0296US8767347B1Magnetic head for perpendicular magnetic recording having two side shieldsSASAKI YOSHITAKA·Filed 2013·Granted Jul 1, 2014·62 cites·6 claims
- 0396US8749919B2Magnetic head for perpendicular magnetic recording with shield around main poleSASAKI YOSHITAKA·Filed 2010·Granted Jun 10, 2014·56 cites·7 claims
- 0496US8618646B2Layered chip package and method of manufacturing sameSASAKI YOSHITAKA·Filed 2010·Granted Dec 31, 2013·32 cites·26 claims
- 0596US8477452B2Magnetic head for perpendicular magnetic recording having a tapered main poleSASAKI YOSHITAKA·Filed 2010·Granted Jul 2, 2013·48 cites·6 claims
- 0696US8427781B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2012·Granted Apr 23, 2013·52 cites·9 claims
- 0796US8310787B1Thin-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
- 0896US8295008B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2011·Granted Oct 23, 2012·66 cites·9 claims
- 0995US11211082B1Magnetic head including spin torque oscillatorSASAKI YOSHITAKA·Filed 2021·Granted Dec 28, 2021·7 cites·13 claims
- 1095US8493687B2Magnetic head for perpendicular magnetic recording with shield around main poleSASAKI YOSHITAKA·Filed 2010·Granted Jul 23, 2013·40 cites·6 claims
- 1194US8218264B1Magnetic head for perpendicular magnetic recording having a main pole and two shieldsSASAKI YOSHITAKA·Filed 2010·Granted Jul 10, 2012·27 cites·6 claims
- 1294US8194511B2Heat-assisted magnetic recording head with near-field light generating elementSASAKI YOSHITAKA·Filed 2010·Granted Jun 5, 2012·28 cites·7 claims
- 1393US8456968B1Thermally-assisted magnetic recording head having dual heat sink layersSASAKI YOSHITAKA·Filed 2012·Granted Jun 4, 2013·23 cites·6 claims
- 1493US8416528B1Magnetic head for perpendicular magnetic recording having a return path sectionSASAKI YOSHITAKA·Filed 2012·Granted Apr 9, 2013·20 cites·12 claims
- 1593US8289649B2Magnetic head for perpendicular magnetic recording with shield around main magnetic poleSASAKI YOSHITAKA·Filed 2010·Granted Oct 16, 2012·28 cites·13 claims
- 1693US8194510B2Heat-assisted magnetic recording head with near-field light generating elementSASAKI YOSHITAKA·Filed 2010·Granted Jun 5, 2012·23 cites·5 claims
- 1792US9218835B1Thermally-assisted magnetic recording head including a heat sinkSASAKI YOSHITAKA·Filed 2014·Granted Dec 22, 2015·18 cites·9 claims
- 1891US8867170B1Multilayer plasmon generatorSASAKI YOSHITAKA·Filed 2013·Granted Oct 21, 2014·16 cites·22 claims
- 1991US8760809B1Thermally-assisted magnetic recording head having a plasmon generatorSASAKI YOSHITAKA·Filed 2013·Granted Jun 24, 2014·14 cites·6 claims
- 2091US8614932B1Thermally-assisted magnetic recording head having a plasmon generatorSASAKI YOSHITAKA·Filed 2012·Granted Dec 24, 2013·17 cites·9 claims
- 2191US8493821B1Thermally-assisted magnetic recording head including a shieldSASAKI YOSHITAKA·Filed 2012·Granted Jul 23, 2013·15 cites·14 claims
- 2291US8441755B2Magnetic head for perpendicular magnetic recording having a main pole, a shield and a coil core part setback away from the medium facing surface a specified distanceSASAKI YOSHITAKA·Filed 2011·Granted May 14, 2013·14 cites·7 claims
- 2391US8390955B1Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk driveSASAKI YOSHITAKA·Filed 2011·Granted Mar 5, 2013·14 cites·21 claims
- 2491US8300357B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2011·Granted Oct 30, 2012·16 cites·11 claims
- 2591US8274759B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2011·Granted Sep 25, 2012·16 cites·7 claims
- 2690US9502053B1Magnetic head for perpendicular magnetic recording with a trailing shield including a plurality of portions different in saturation flux densitySASAKI YOSHITAKA·Filed 2015·Granted Nov 22, 2016·11 cites·17 claims
- 2790US8830799B1Near-field light generator and thermally-assisted magnetic recording headSASAKI YOSHITAKA·Filed 2013·Granted Sep 9, 2014·13 cites·6 claims
- 2890US8482879B1Magnetic head for perpendicular magnetic recording having a return path sectionSASAKI YOSHITAKA·Filed 2012·Granted Jul 9, 2013·13 cites·5 claims
- 2989US9761253B1Thermally-assisted magnetic recording head including a main pole and a plasmon generatorSASAKI YOSHITAKA·Filed 2016·Granted Sep 12, 2017·10 cites·13 claims
- 3089US8711663B1Plasmon generator includes three metal layers for thermally-assisted magnetic recordingSASAKI YOSHITAKA·Filed 2013·Granted Apr 29, 2014·11 cites·10 claims
- 3189US8659166B2Memory device, laminated semiconductor substrate and method of manufacturing the sameSASAKI YOSHITAKA·Filed 2010·Granted Feb 25, 2014·9 cites·9 claims
- 3289US8422166B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2012·Granted Apr 16, 2013·11 cites·6 claims
- 3389US8406089B2Heat-assisted magnetic recording head with laser diode fixed to sliderSASAKI YOSHITAKA·Filed 2009·Granted Mar 26, 2013·12 cites·22 claims
- 3488US8395971B2Heat-assisted magnetic recording head with laser diode fixed to sliderSASAKI YOSHITAKA·Filed 2009·Granted Mar 12, 2013·8 cites·10 claims
- 3588US8139447B2Heat-assisted magnetic recording head with near-field light generating elementSASAKI YOSHITAKA·Filed 2009·Granted Mar 20, 2012·8 cites·10 claims
- 3687US8503130B1Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2012·Granted Aug 6, 2013·9 cites·8 claims
- 3787US8498080B2Magnetic head for perpendicular magnetic recording that includes a sensor for detecting contact with a recording mediumSASAKI YOSHITAKA·Filed 2011·Granted Jul 30, 2013·9 cites·9 claims
- 3887US8065787B2Method of manufacturing a thermally assisted magnetic headSASAKI YOSHITAKA·Filed 2010·Granted Nov 29, 2011·8 cites·10 claims
- 3986US9472230B1Plasmon generator including a main body and a front protrusionSASAKI YOSHITAKA·Filed 2015·Granted Oct 18, 2016·8 cites·20 claims
- 4086US8498183B1Thermally-assisted magnetic recording head having a waveguide and a return path sectionSASAKI YOSHITAKA·Filed 2012·Granted Jul 30, 2013·8 cites·5 claims
- 4186US8169740B2Thin-film magnetic head structure and thin-film magnetic headSASAKI YOSHITAKA·Filed 2008·Granted May 1, 2012·5 cites·8 claims
- 4285US9218827B1Thermally-assisted magnetic recording head including a return path sectionSASAKI YOSHITAKA·Filed 2014·Granted Dec 22, 2015·8 cites·11 claims
- 4385US9082422B2Magnetic head for perpendicular magnetic recording including a main pole and a write shield to provide improved write characteristics without compromising the function of the write shieldSASAKI YOSHITAKA·Filed 2013·Granted Jul 14, 2015·7 cites·7 claims
- 4485US8576514B2Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk driveSASAKI YOSHITAKA·Filed 2011·Granted Nov 5, 2013·8 cites·12 claims
- 4585US8509038B1Near-field light generator and thermally-assisted magnetic recording headSASAKI YOSHITAKA·Filed 2012·Granted Aug 13, 2013·7 cites·9 claims
- 4685US8426946B2Laminated semiconductor substrate, laminated chip package and method of manufacturing the sameSASAKI YOSHITAKA·Filed 2010·Granted Apr 23, 2013·8 cites·22 claims
- 4785US8203215B2Layered chip package and method of manufacturing sameSASAKI YOSHITAKA·Filed 2010·Granted Jun 19, 2012·8 cites·24 claims
- 4884US11380353B1Magnetic head including spin torque oscillator, first and second gap films, and first and second guard films, and manufacturing method for the sameSASAKI YOSHITAKA·Filed 2021·Granted Jul 5, 2022·2 cites·8 claims
- 4984US8867169B2Magnetic head for perpendicular magnetic recording having a main pole and a shieldSASAKI YOSHITAKA·Filed 2012·Granted Oct 21, 2014·7 cites·9 claims
- 5084US8593762B1Magnetic head for perpendicular magnetic recording capable of producing a write magnetic field of sufficient magnitude from the main pole while reducing the length of a magnetic path that connects the write shield and the main poleSASAKI YOSHITAKA·Filed 2012·Granted Nov 26, 2013·7 cites·7 claims
Showing the top 50 of 163 patent records by PatentIndex Score.
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