Inventor · disambiguated record
Tatsushi Shimizu
Also filed as: SHIMIZU TATSUSHI
34 granted patents·1 pending application·369 citations·filing 1990–2012
97Inventor score
Files withHEADWAY TECHNOLOGIES INC18SASAKI YOSHITAKA9JAPAN ENERGY CORP2TDK CORP2HEADWAY TECHOLOGIES INC1
Top patents by PatentIndex Score
35 records- 0198US7698941B2Sensing unit and method of making sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 20, 2010·76 cites·7 claims
- 0295US7628071B2Sensing unit and method of making sameHEADWAY TECHOLOGIES INC·Filed 2007·Granted Dec 8, 2009·73 cites·9 claims
- 0394US7365942B2Thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Apr 29, 2008·20 cites·7 claims
- 0493US7940495B2Magnetic head for perpendicular magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2006·Granted May 10, 2011·12 cites·7 claims
- 0592US7633714B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Dec 15, 2009·15 cites·12 claims
- 0692US7417442B2Method and apparatus for testing tunnel magnetoresistive effect element, manufacturing method of tunnel magnetoresistive effect element and tunnel magnetoresistive effect elementTDK CORP·Filed 2005·Granted Aug 26, 2008·24 cites·54 claims
- 0791US7676912B2Method of manufacturing electronic component packageHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Mar 16, 2010·22 cites·12 claims
- 0891US7551394B2Magnetic head for perpendicular magnetic recording having a multilayer shield structure and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Jun 23, 2009·13 cites·16 claims
- 0990US7492555B2Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 17, 2009·8 cites·2 claims
- 1088US7463450B2Thin film magnetic headHEADWEAY TECHNOLOGIES INC·Filed 2005·Granted Dec 9, 2008·11 cites·14 claims
- 1187US7716814B2Method of manufacturing magnetic head, and magnetic head substructureHEADWAY TECHNOLOGIES INC·Filed 2007·Granted May 18, 2010·8 cites·20 claims
- 1286US8169740B2Thin-film magnetic head structure and thin-film magnetic headSASAKI YOSHITAKA·Filed 2008·Granted May 1, 2012·5 cites·8 claims
- 1386US7843665B2Perpendicular magnetic recording head with nonmagnetic metal layer even with top face of pole layerHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Nov 30, 2010·7 cites·22 claims
- 1484US7770438B2Head slider, glide height checking apparatus, and glide height checking methodTDK CORP·Filed 2007·Granted Aug 10, 2010·9 cites·15 claims
- 1583US7463448B2Thin film magnetic head having upper and lower poles and a gap film within a trenchHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Dec 9, 2008·5 cites·24 claims
- 1681US8085522B2Capacitor and method of manufacturing the same and capacitor unitSASAKI YOSHITAKA·Filed 2007·Granted Dec 27, 2011·11 cites·29 claims
- 1780US7721415B2Method of manufacturing a thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2006·Granted May 25, 2010·9 cites·12 claims
- 1878US7408740B2Thin film magnetic head for perpendicular magnetic recording having a main pole with plural grooves in a lower surface thereof and manufacturing method thereforeHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Aug 5, 2008·3 cites·12 claims
- 1977US8467147B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameSASAKI YOSHITAKA·Filed 2006·Granted Jun 18, 2013·3 cites·16 claims
- 2076US8174790B2Thin-film magnetic head having remnant coating and remnant insulating film, head gimbal assembly and hard disk driveSASAKI YOSHITAKA·Filed 2010·Granted May 8, 2012·3 cites·6 claims
- 2172US8302285B2Method of making a sensing unitSASAKI YOSHITAKA·Filed 2010·Granted Nov 6, 2012·2 cites·5 claims
- 2271US7927920B2Method of manufacturing electronic component package, and wafer and substructure used for manufacturing electronic component packageHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 19, 2011·4 cites·10 claims
- 2365US8174261B2Magnetic film sensor with a deformable partSASAKI YOSHITAKA·Filed 2010·Granted May 8, 2012·1 cites·7 claims
- 2464US7943288B2Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2008·Granted May 17, 2011·0 cites·5 claims
- 2564US7750627B2Magnetic film sensor having a magnetic film for generating a magnetostriction and a depressed insulating layerHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Jul 6, 2010·3 cites·18 claims
- 2663US8043515B2Thin film magnetic head and manufacturing method thereofHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Oct 25, 2011·0 cites·2 claims
- 2758US7816176B2Method of manufacturing electronic component packageHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 19, 2010·1 cites·23 claims
- 2856US8427782B2Magnetic head for perpendicular magnetic recordingSASAKI YOSHITAKA·Filed 2012·Granted Apr 23, 2013·0 cites·5 claims
- 2955US5168407AFlying magnetic headNIPPON MINING CO·Filed 1990·Granted Dec 1, 1992·10 cites·5 claims
- 3053US8213116B2Magnetic head for perpendicular magnetic recordingSASAKI YOSHITAKA·Filed 2011·Granted Jul 3, 2012·0 cites·5 claims
- 3147US8415793B2Wafer and substructure for use in manufacturing electronic component packagesSASAKI YOSHITAKA·Filed 2011·Granted Apr 9, 2013·0 cites·9 claims
- 3246US5583728AImproved magnetic head having smoothed chamfered surface for reducing magnetic scatteringJAPAN ENERGY CORP·Filed 1994·Granted Dec 10, 1996·6 cites·4 claims
- 3345US7906838B2Electronic component package and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Mar 15, 2011·0 cites·28 claims
- 3443US5572390AMagnetic head including an apex portion with two chamfered portions having optimized anglesJAPAN ENERGY CORP·Filed 1996·Granted Nov 5, 1996·5 cites·11 claims
- 3541US2005078413A1Head gimbal assembly with magnetic head slider and magnetic disk drive apparatus with head gimbal assemblySAE MAGNETICS HK LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →