Inventor · disambiguated record
Seiichi Takayama
Also filed as: TAKAYAMA SEIICHI
82 granted patents·4 pending applications·844 citations·filing 2000–2024
99Inventor score
Top patents by PatentIndex Score
86 records- 0197US8116034B2Thermally assisted magnetic head having main pole arranged between near-field light-generating portions and manufacturing method of sameKOMURA EIJI·Filed 2008·Granted Feb 14, 2012·44 cites·5 claims
- 0297US8000178B2Near-field light generating element utilizing surface plasmonTDK CORP·Filed 2008·Granted Aug 16, 2011·52 cites·25 claims
- 0396US8349085B2Substrate processing apparatusTOKYO ELECTRON LTD·Filed 2008·Granted Jan 8, 2013·59 cites·7 claims
- 0496US8098547B2Optical waveguide and thermal assist magnetic recording head therewithKOMURA EIJI·Filed 2010·Granted Jan 17, 2012·31 cites·11 claims
- 0596US7821732B2Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereofTDK CORP·Filed 2008·Granted Oct 26, 2010·35 cites·7 claims
- 0695US8264919B2Thermal assisted magnetic recording head having spot size converterKOMURA EIJI·Filed 2010·Granted Sep 11, 2012·26 cites·10 claims
- 0795US8149653B2Light source unit for thermally-assisted magnetic recording capable of monitoring of light outputSHIMAZAWA KOJI·Filed 2010·Granted Apr 3, 2012·32 cites·14 claims
- 0894US8248897B2Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and sliderSHIMAZAWA KOJI·Filed 2010·Granted Aug 21, 2012·28 cites·19 claims
- 0994US8213272B2Multilayered waveguide having protruded light-emitting endTAKAYAMA SEIICHI·Filed 2009·Granted Jul 3, 2012·28 cites·12 claims
- 1094US8000175B2Thermally assisted magnetic head having a semiconductor surface-emitting laserTDK CORP·Filed 2009·Granted Aug 16, 2011·18 cites·8 claims
- 1194US7885029B2Thermally-assisted magnetic recording head and thermally-assisted magnetic recording methodTDK CORP·Filed 2009·Granted Feb 8, 2011·17 cites·19 claims
- 1293US8149654B2Wave guide that attenuates evanescent light of higher order TM modeKOMURA EIJI·Filed 2010·Granted Apr 3, 2012·21 cites·14 claims
- 1393US6321052B1Method and apparatus for correcting running state and tension for an endless belt in an image-forming apparatusFUJI XEROX CO LTD·Filed 2000·Granted Nov 20, 2001·60 cites·14 claims
- 1492US8441895B2Thermally-assisted magnetic recording head with light detector in element-integration surfaceSHIMAZAWA KOJI·Filed 2009·Granted May 14, 2013·13 cites·18 claims
- 1592US8393074B1Method of manufacturing thermally-assisted magnetic recording head and alignment apparatusTAKAYAMA SEIICHI·Filed 2011·Granted Mar 12, 2013·29 cites·15 claims
- 1692US7898909B2Thermal-assisted magnetic recording head having substrate and light reflection sectionTDK CORP·Filed 2009·Granted Mar 1, 2011·13 cites·8 claims
- 1792US7855937B2Near-field light generating element and heat-assisted magnetic recording head utilizing surface plasmon modeTDK CORP·Filed 2008·Granted Dec 21, 2010·13 cites·32 claims
- 1892US7711228B2Two-dimensional photonic crystal and optical device using the crystalUNIV KYOTO·Filed 2005·Granted May 4, 2010·33 cites·10 claims
- 1991US10943613B1Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic headSAE MAGNETICS HK LTD·Filed 2020·Granted Mar 9, 2021·6 cites·17 claims
- 2091US8274867B2Method for aligning the light source unit and the slider of thermally-assisted magnetic recording headMORI NOBUYUKI·Filed 2010·Granted Sep 25, 2012·17 cites·7 claims
- 2191US8194509B2Thermally-assisted magnetic recording head comprising light source with photonic-band layerSHIMAZAWA KOJI·Filed 2009·Granted Jun 5, 2012·11 cites·23 claims
- 2291US7936531B2Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereofTDK CORP·Filed 2008·Granted May 3, 2011·11 cites·9 claims
- 2390US8310903B1Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording headTAKAYAMA SEIICHI·Filed 2011·Granted Nov 13, 2012·13 cites·19 claims
- 2490US8243388B2Heat-assisted magnetic head constituted of slider and light source unit, and manufacturing method of the headSHIMAZAWA KOJI·Filed 2008·Granted Aug 14, 2012·11 cites·21 claims
- 2590US8065786B2Manufacturing method of heat-assisted magnetic head constituted of slider and light source unitSHIMAZAWA KOJI·Filed 2008·Granted Nov 29, 2011·10 cites·14 claims
- 2690US7428352B2Two-dimensional photonic crystal and optical function element using the sameUNIV KYOTO·Filed 2005·Granted Sep 23, 2008·16 cites·18 claims
- 2789US8248895B2Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and sliderSHIMAZAWA KOJI·Filed 2010·Granted Aug 21, 2012·11 cites·10 claims
- 2888US10061084B1Coupling structure of optical components and coupling method of the sameSAE MAGNETICS HK LTD·Filed 2017·Granted Aug 28, 2018·8 cites·11 claims
- 2987US8341825B2Method for manufacturing a thermally-assisted magnetic headTDK CORP·Filed 2010·Granted Jan 1, 2013·10 cites·6 claims
- 3087US7930817B2Method of manufacturing a thermally assisted magnetic headTDK CORP·Filed 2008·Granted Apr 26, 2011·7 cites·4 claims
- 3186US11127424B1Thermally-assisted magnetic recording head having active layer with quantum dot structureSAE MAGNETICS HK LTD·Filed 2020·Granted Sep 21, 2021·1 cites·19 claims
- 3285US8335052B2Plasmon antenna for thermally assisted magnetic headTAKAYAMA SEIICHI·Filed 2008·Granted Dec 18, 2012·6 cites·22 claims
- 3385US8295003B2Thermal assisted head using curved wave guideCHOU TSUTOMU·Filed 2010·Granted Oct 23, 2012·8 cites·15 claims
- 3484US8687469B1Method for manufacturing an electronic device including a light absorption layerTDK CORP·Filed 2012·Granted Apr 1, 2014·8 cites·26 claims
- 3584US8223596B2Thermally-assisted magnetic recording head with plane-emission type light sourceCHOU TSUTOMU·Filed 2009·Granted Jul 17, 2012·5 cites·13 claims
- 3684US8164986B2Thermally-assisted magnetic recording head and thermally-assisted magnetic recording methodAOKI SUSUMU·Filed 2009·Granted Apr 24, 2012·6 cites·17 claims
- 3784US7835101B2Planar plasmon antenna for use in near-field recordingTDK CORP·Filed 2008·Granted Nov 16, 2010·5 cites·14 claims
- 3883US9489972B2Light source unit, heat-assisted magnetic recording head using the same, and light source for light source unitSAE MAGNETICS HK LTD·Filed 2015·Granted Nov 8, 2016·3 cites·10 claims
- 3983US8089830B2Near-field light generating device including near-field light generating element with edge part opposed to waveguideISOGAI MAKOTO·Filed 2009·Granted Jan 3, 2012·7 cites·10 claims
- 4083US7936643B2Thermal assisted magnetic recording head having surface-emitting semiconductor laserTDK CORP·Filed 2009·Granted May 3, 2011·5 cites·2 claims
- 4182US9437227B1Thermally assisted magnetic recording head slider, method of manufacturing the same, head gimbal assembly, and hard disk driveSAE MAGNETICS HK LTD·Filed 2015·Granted Sep 6, 2016·6 cites·13 claims
- 4282US8250737B2Method for manufacturing head including light source unit for thermal assistSHIMAZAWA KOJI·Filed 2010·Granted Aug 28, 2012·7 cites·20 claims
- 4381US8424191B2Method for manufacturing thermally-assisted magnetic recording head by semi-active alignmentSHIMAZAWA KOJI·Filed 2009·Granted Apr 23, 2013·10 cites·8 claims
- 4481US8116172B2Near-field light generating device including surface plasmon generating elementITO YASUHIRO·Filed 2009·Granted Feb 14, 2012·4 cites·16 claims
- 4581US8075730B2Apparatus for manufacturing a semiconductor deviceSHIMURA SATORU·Filed 2005·Granted Dec 13, 2011·10 cites·18 claims
- 4681US7853111B2Two-dimensional photonic crystalUNIV KYOTO·Filed 2005·Granted Dec 14, 2010·11 cites·9 claims
- 4780US8102736B2Near-field light generator comprising waveguide with inclined end surfaceTAKAYAMA SEIICHI·Filed 2009·Granted Jan 24, 2012·7 cites·18 claims
- 4879US7835102B2Heat assisted magnetic recording head comprising plasmon antenna with flat surfaces opposed to mediumTDK CORP·Filed 2008·Granted Nov 16, 2010·3 cites·11 claims
- 4978US10614841B1Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk driveSAE MAGNETICS HK LTD·Filed 2018·Granted Apr 7, 2020·4 cites·8 claims
- 5078US10496003B2Exposure deviceFUJI XEROX CO LTD·Filed 2018·Granted Dec 3, 2019·1 cites·19 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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