Inventor · disambiguated record
Kenichiro Yamada
Also filed as: YAMADA KENICHIRO
104 granted patents·36 pending applications·1,425 citations·filing 1998–2024
99Inventor score
Top patents by PatentIndex Score
140 records- 0199US10236021B2Magnetic recording apparatus having magnetic flux control part and magnetic recording head having magnetic flux control partTOSHIBA KK·Filed 2017·Granted Mar 19, 2019·82 cites·20 claims
- 0299US10186284B2Magnetic head and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2017·Granted Jan 22, 2019·82 cites·19 claims
- 0399US8064244B2Thin seeded Co/Ni multilayer film with perpendicular anisotropy for spintronic device applicationsZHANG KUNLIANG·Filed 2009·Granted Nov 22, 2011·102 cites·29 claims
- 0499US7957098B2Magnetic recording head and magnetic recording apparatusTOSHIBA KK·Filed 2008·Granted Jun 7, 2011·128 cites·21 claims
- 0598US7791829B2Apparatus for assisting write operation using high frequency magnetic field in disk driveTOSHIBA KK·Filed 2008·Granted Sep 7, 2010·65 cites·12 claims
- 0697US8320079B2Magnetic head assembly and magnetic recording/reproducing apparatusIWASAKI HITOSHI·Filed 2009·Granted Nov 27, 2012·72 cites·7 claims
- 0797US8139322B2Magnetic recording head with protruding spin torque oscillatorYAMADA KENICHIRO·Filed 2008·Granted Mar 20, 2012·45 cites·20 claims
- 0896US8767346B2Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording methodYAMADA KENICHIRO·Filed 2009·Granted Jul 1, 2014·18 cites·10 claims
- 0996US8472140B2Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording headYAMADA KENICHIRO·Filed 2012·Granted Jun 25, 2013·24 cites·11 claims
- 1096US8270112B2Magnetic head with spin oscillation device(s) and magnetic recording deviceFUNAYAMA TOMOMI·Filed 2008·Granted Sep 18, 2012·67 cites·16 claims
- 1196US8164854B2Magnetic recording head with spin oscillation device and magnetic recording apparatus including the magnetic recording headTAKAGISHI MASAYUKI·Filed 2008·Granted Apr 24, 2012·45 cites·26 claims
- 1296US8154825B2Magnetic recording head and magnetic recording deviceTAKASHITA MASAHIRO·Filed 2008·Granted Apr 10, 2012·76 cites·21 claims
- 1395US8488373B2Spin injection layer robustness for microwave assisted magnetic recordingZHANG KUNLIANG·Filed 2011·Granted Jul 16, 2013·24 cites·23 claims
- 1495US8400734B2Magnetic recording head and magnetic recording apparatusYAMADA KENICHIRO·Filed 2011·Granted Mar 19, 2013·30 cites·15 claims
- 1595US8325442B2Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatusKOUI KATSUHIKO·Filed 2009·Granted Dec 4, 2012·31 cites·17 claims
- 1695US8238060B2Magnetic recording head and magnetic recording apparatusYAMADA KENICHIRO·Filed 2010·Granted Aug 7, 2012·24 cites·15 claims
- 1795US8081397B2Magnetic head assembly and magnetic recording apparatusFUNAYAMA TOMOMI·Filed 2009·Granted Dec 20, 2011·30 cites·21 claims
- 1894US9330691B1Microwave assisted magnetic headTOSHIBA KK·Filed 2015·Granted May 3, 2016·18 cites·8 claims
- 1994US8564904B2Magnetic head with stacked magnetic layers, magnetic head assembly, and magnetic recording/reproducing apparatusIWASAKI HITOSHI·Filed 2011·Granted Oct 22, 2013·16 cites·10 claims
- 2093US8547662B2Magnetic recording head and magnetic recording apparatusYAMADA KENICHIRO·Filed 2012·Granted Oct 1, 2013·16 cites·26 claims
- 2193US8467148B2Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatusIWASAKI HITOSHI·Filed 2009·Granted Jun 18, 2013·16 cites·13 claims
- 2293US8264799B2Magnetic recording headAKIYAMA JUNICHI·Filed 2008·Granted Sep 11, 2012·34 cites·16 claims
- 2392US8687321B2Magnetic head assemblyYAMADA KENICHIRO·Filed 2009·Granted Apr 1, 2014·13 cites·9 claims
- 2492US8654480B2Magnetic head with spin torque oscillator and magnetic recording headSHIMIZU MARIKO·Filed 2012·Granted Feb 18, 2014·20 cites·10 claims
- 2592US8295009B2Magnetic recording head and magnetic recording apparatusYAMADA KENICHIRO·Filed 2011·Granted Oct 23, 2012·18 cites·10 claims
- 2692US8238058B2Magnetic recording head, magnetic head assembly, and magnetic recording apparatusSHIMIZU MARIKO·Filed 2011·Granted Aug 7, 2012·23 cites·20 claims
- 2790US11710501B2Magnetic head and magnetic recording deviceTOSHIBA KK·Filed 2022·Granted Jul 25, 2023·2 cites·25 claims
- 2890US9076463B2Magnetic recording head and disk device with the sameTOSHIBA KK·Filed 2013·Granted Jul 7, 2015·11 cites·18 claims
- 2990US8810954B1Disk storage apparatus, write control apparatus and write control methodTOSHIBA KK·Filed 2013·Granted Aug 19, 2014·14 cites·10 claims
- 3090US8446691B2Magnetic recording deviceTAKAGISHI MASAYUKI·Filed 2012·Granted May 21, 2013·16 cites·20 claims
- 3190US8120875B2Magnetic recording apparatus utilizing a spin torque oscillator which interacts with an antenna layer in the magnetic recording mediumTAKAGISHI MASAYUKI·Filed 2009·Granted Feb 21, 2012·11 cites·5 claims
- 3289US9589581B2Microwave-assisted magnetic recording head and magnetic recording apparatus including the sameTOSHIBA KK·Filed 2015·Granted Mar 7, 2017·10 cites·18 claims
- 3389US8614861B1Magnetic recording head including a high-frequency oscillator and disk drive with the sameTOSHIBA KK·Filed 2012·Granted Dec 24, 2013·11 cites·12 claims
- 3488US8027118B2Method and apparatus for controlling head with spin-torque oscillator in a disk driveTOSHIBA KK·Filed 2010·Granted Sep 27, 2011·11 cites·14 claims
- 3588US6829122B2Magnetic head of a magnetoresistance type having an underlying layer having a laminated structure of a tungsten-group metal layer formed on a tantalum-group metal layerFUJITSU LTD·Filed 2001·Granted Dec 7, 2004·27 cites·6 claims
- 3687US11561089B2Three-dimensional shape detection apparatus, three-dimensional shape detection method and plasma processing apparatusHITACHI HIGH TECH CORP·Filed 2019·Granted Jan 24, 2023·4 cites·14 claims
- 3786US9275660B1Magnetic head having first magnetic shield, stack, side shield, antiferromagnetic layer, and second magnetic shield, magnetic head assembly, magnetic recording and reproducing apparatus, and manufacturing method of magnetic headTOSHIBA KK·Filed 2015·Granted Mar 1, 2016·8 cites·16 claims
- 3885US9978404B2Magnetic recording head and disk device with the sameTOSHIBA KK·Filed 2015·Granted May 22, 2018·7 cites·20 claims
- 3985US9349389B2Magnetic recording head and magnetic recording and reproducing deviceTOSHIBA KK·Filed 2015·Granted May 24, 2016·7 cites·19 claims
- 4085US8929031B2Spin torque oscillator, method of manufacturing the same, magnetic recording head, magnetic head assembly, and magnetic recording apparatusTAKEO AKIHIKO·Filed 2011·Granted Jan 6, 2015·5 cites·9 claims
- 4184US8995085B2Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording methodTOSHIBA KK·Filed 2014·Granted Mar 31, 2015·4 cites·4 claims
- 4283US9355659B2Microwave assisted magnetic recording head and magnetic recording device having the sameTOSHIBA KK·Filed 2015·Granted May 31, 2016·6 cites·29 claims
- 4383US8553359B2Magnetic recording head and magnetic recording/reproducing apparatus using the sameYAMADA KENICHIRO·Filed 2010·Granted Oct 8, 2013·7 cites·11 claims
- 4482US9824703B2Magnetic recording and reproducing device having magnetic head with first and second reproducing element portions and magnetic reproducing methodTOSHIBA KK·Filed 2016·Granted Nov 21, 2017·6 cites·19 claims
- 4582US9111552B1High-frequency oscillation device, magnetic recording head including the same, and disk deviceTOSHIBA KK·Filed 2014·Granted Aug 18, 2015·7 cites·19 claims
- 4682US8233230B2Method and apparatus for controlling head with spin-torque oscillator in a disk driveYANO KOJI·Filed 2010·Granted Jul 31, 2012·6 cites·13 claims
- 4781US8730616B2Magnetic recording head, head gimbal assembly with the same, and disk driveYAMADA KENICHIRO·Filed 2012·Granted May 20, 2014·5 cites·12 claims
- 4881US8675308B2Magnetic recording head with high frequency oscillator and disk drive with the sameTOSHIBA KK·Filed 2012·Granted Mar 18, 2014·5 cites·15 claims
- 4980US9583134B2Magnetic recording and reproducing deviceTOSHIBA KK·Filed 2015·Granted Feb 28, 2017·5 cites·20 claims
- 5079US8687322B1Magnetic recording head and disk drive including the sameTOSHIBA KK·Filed 2013·Granted Apr 1, 2014·4 cites·20 claims
Showing the top 50 of 140 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →