Inventor · disambiguated record
Kazuo Ishizaki
Also filed as: ISHIZAKI KAZUO
46 granted patents·476 citations·filing 1999–2017
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US7698941B2Sensing unit and method of making sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 20, 2010·76 cites·7 claims
- 0297US7375925B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2005·Granted May 20, 2008·40 cites·29 claims
- 0396US7924528B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Apr 12, 2011·34 cites·33 claims
- 0495US7628071B2Sensing unit and method of making sameHEADWAY TECHOLOGIES INC·Filed 2007·Granted Dec 8, 2009·73 cites·9 claims
- 0594US7916425B2Magnetic head having angled pole portionsHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Mar 29, 2011·18 cites·24 claims
- 0694US7663839B2Magnetic head for perpendicular magnetic recording with encasing layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 16, 2010·18 cites·28 claims
- 0790US8270110B2Magnetic head for perpendicular magnetic recording having side shield layer and method of manufacturing sameARAKI HIRONORI·Filed 2008·Granted Sep 18, 2012·11 cites·8 claims
- 0890US7492555B2Thin-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
- 0989US7468863B2Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a yoke magnetic pole part, and an intervening insulative filmHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Dec 23, 2008·8 cites·16 claims
- 1089US7336442B2Magnetic head and method of manufacturing same, and magnetic head substructureHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Feb 26, 2008·9 cites·43 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
- 1385US8173028B2Method of manufacturing magnetic head for perpendicular magnetic recording including two side shieldsISHIZAKI KAZUO·Filed 2009·Granted May 8, 2012·9 cites·9 claims
- 1485US7151647B2Thin film magnetic head and manufacturing method for creating high surface recording density and including a second yoke portion having two layers of which one is etched to form a narrow portion and a sloped flare portionSAE MAGNETICS HK LTD·Filed 2003·Granted Dec 19, 2006·19 cites·29 claims
- 1584US7656612B2Magnetic head having a patterned pole layerHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Feb 2, 2010·11 cites·4 claims
- 1683US8243560B2Heat-assisted magnetic recording head including internal mirrors of first and second inclined surfacesARAKI HIRONORI·Filed 2009·Granted Aug 14, 2012·4 cites·10 claims
- 1781US8085522B2Capacitor and method of manufacturing the same and capacitor unitSASAKI YOSHITAKA·Filed 2007·Granted Dec 27, 2011·11 cites·29 claims
- 1880US7085099B2Thin film magnetic head having spiral coils and manufacturing method thereofSAE MAGNETICS HONG KONG LTD·Filed 2004·Granted Aug 1, 2006·14 cites·19 claims
- 1979US10366820B2Thin film inductorTDK CORP·Filed 2017·Granted Jul 30, 2019·1 cites·3 claims
- 2079US8355299B2Heat-assisted magnetic recording head with convergent lensHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Jan 15, 2013·3 cites·20 claims
- 2176US7436627B2Magnetic head for perpendicular magnetic recording and method of manufacturing sameHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Oct 14, 2008·8 cites·19 claims
- 2275US6709321B2Processing jigTDK CORP·Filed 2000·Granted Mar 23, 2004·10 cites·10 claims
- 2372US8391109B2Method of manufacturing heat-assisted magnetic recording head with internal mirrorARAKI HIRONORI·Filed 2012·Granted Mar 5, 2013·2 cites·10 claims
- 2472US8349198B2Method of manufacturing near-field light generator including waveguide and plasmon generatorHEADWAY TECHNOLOGIES INC·Filed 2010·Granted Jan 8, 2013·3 cites·8 claims
- 2572US8302285B2Method of making a sensing unitSASAKI YOSHITAKA·Filed 2010·Granted Nov 6, 2012·2 cites·5 claims
- 2671US7369361B2Magnetic head and magnetic head substructure including resistor element whose resistance corresponds to the length of the track width defining portion of the pole layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted May 6, 2008·2 cites·50 claims
- 2769US6332264B1Method of manufacturing slider and slider manufacturing aidTDK CORP·Filed 1999·Granted Dec 25, 2001·22 cites·7 claims
- 2868US8221636B2Method of manufacturing magnetic head for perpendicular magnetic recordingSASAKI YOSHITAKA·Filed 2008·Granted Jul 17, 2012·1 cites·7 claims
- 2968US7910011B2Method of manufacturing magnetic head for perpendicular magnetic recordingHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Mar 22, 2011·1 cites·7 claims
- 3067US6976302B2Slider manufacturing aidTDK CORP·Filed 2001·Granted Dec 20, 2005·10 cites·7 claims
- 3165US7141357B2Method of manufacturing thin-film magnetic headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Nov 28, 2006·10 cites·7 claims
- 3264US7943288B2Thin-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
- 3364US6654203B2Thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk driveTDK CORP·Filed 2001·Granted Nov 25, 2003·6 cites·8 claims
- 3463US7062839B2Method of manufacturing thin-film magnetic headSAE MAGNETICS HK LTD·Filed 2003·Granted Jun 20, 2006·9 cites·11 claims
- 3562US7910160B2Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a york magnetic pole part, and an intervening insulative filmHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Mar 22, 2011·2 cites·8 claims
- 3657US8176623B2Method of manufacturing a magnetic head for perpendicular magnetic recordingSASAKI YOSHITAKA·Filed 2007·Granted May 15, 2012·0 cites·12 claims
- 3757US6347975B2Apparatus and method for processing thin-film magnetic head materialTDK CORP·Filed 2000·Granted Feb 19, 2002·6 cites·20 claims
- 3855US8184398B2Magnetic head that suppresses protrusion of medium facing surface caused by heat of coilARAKI HIRONORI·Filed 2008·Granted May 22, 2012·0 cites·12 claims
- 3954US8997335B2Method of manufacturing a magnetic head for perpendicular magnetic recordingSASAKI YOSHITAKA·Filed 2012·Granted Apr 7, 2015·0 cites·12 claims
- 4054US8922948B2Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk driveSASAKI YOSHITAKA·Filed 2008·Granted Dec 30, 2014·0 cites·16 claims
- 4154US8687320B2Magnetic head for perpendicular magnetic recording having a pole layer including a plurality of stacked magnetic filmsSASAKI YOSHITAKA·Filed 2012·Granted Apr 1, 2014·0 cites·5 claims
- 4251US8056214B2Method of manufacturing magnetic head for perpendicular magnetic recording including two side shieldsSASAKI YOSHITAKA·Filed 2009·Granted Nov 15, 2011·0 cites·12 claims
- 4349US10512163B2Electronic component mounting boardTDK CORP·Filed 2017·Granted Dec 17, 2019·0 cites·5 claims
- 4448US8453316B2Method of manufacturing magnetic head having a patterned pole layer and method of forming a patterned layerSASAKI YOSHITAKA·Filed 2009·Granted Jun 4, 2013·0 cites·13 claims
- 4548US7082672B2Method of manufacturing thin-film magnetic headSAE MAGNETICS HK LTD·Filed 2003·Granted Aug 1, 2006·2 cites·9 claims
- 4629US6409575B2Processing apparatus and methodTDK CORP·Filed 2000·Granted Jun 25, 2002·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →