Inventor · disambiguated record
Yoshiaki Kawato
Also filed as: KAWATO YOSHIAKI
39 granted patents·1 pending application·885 citations·filing 1997–2011
98Inventor score
Files withHITACHI LTD25HITACHI GLOBAL STORAGE TECH12KATADA HIROYUKI1KAWATO YOSHIAKI1TOYOTA MOTOR CO LTD1
Top patents by PatentIndex Score
40 records- 0198US7532433B2Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using itHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted May 12, 2009·51 cites·14 claims
- 0297US6710973B2Single pole type recording head including tapered edgesHITACHI LTD·Filed 2001·Granted Mar 23, 2004·113 cites·13 claims
- 0396US6995949B2Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the sameHITACHI LTD·Filed 2005·Granted Feb 7, 2006·32 cites·6 claims
- 0496US6813116B2Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the sameHITACHI LTD·Filed 2002·Granted Nov 2, 2004·56 cites·12 claims
- 0595US6891697B2Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the sameHITACHI LTD·Filed 2004·Granted May 10, 2005·41 cites·4 claims
- 0694US7426091B2Magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 16, 2008·16 cites·11 claims
- 0793US7221538B2Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using itHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 22, 2007·30 cites·21 claims
- 0893US7057853B2Magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jun 6, 2006·37 cites·27 claims
- 0993US6636391B2Magnetoresistive sensor, magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2001·Granted Oct 21, 2003·63 cites·15 claims
- 1091US6795277B2Magnetic head and magnetic disk driveHITACHI LTD·Filed 2002·Granted Sep 21, 2004·27 cites·6 claims
- 1191US5936810AMagnetoresistive effect headHITACHI LTD·Filed 1997·Granted Aug 10, 1999·53 cites·20 claims
- 1290US6785097B2Thin film magnetic recording head, method of fabricating the thin film magnetic recording head and magnetic disk driveHITACHI LTD·Filed 2002·Granted Aug 31, 2004·25 cites·7 claims
- 1390US6657823B2Differential detection read sensor, thin film head for perpendicular magnetic recording and perpendicular magnetic recording apparatusHITACHI LTD·Filed 2001·Granted Dec 2, 2003·39 cites·12 claims
- 1490US6325900B1Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 2000·Granted Dec 4, 2001·35 cites·1 claims
- 1587US6327107B1Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 1999·Granted Dec 4, 2001·48 cites·5 claims
- 1687US6141190AMagnetoresistive effect headHITACHI LTD·Filed 1999·Granted Oct 31, 2000·38 cites·16 claims
- 1786US6671136B2Magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2001·Granted Dec 30, 2003·17 cites·8 claims
- 1885US6906898B2Differential detection read sensor, thin film head for perpendicular magnetic recording and perpendicular magnetic recording apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jun 14, 2005·27 cites·10 claims
- 1984US6934128B2Magnetic head and magnetic disk driveHITACHI LTD·Filed 2004·Granted Aug 23, 2005·14 cites·3 claims
- 2083US7813079B2Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using itHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Oct 12, 2010·3 cites·10 claims
- 2180US8462468B2Magnetic head and magnetic disk drive to be used for shingled recording methodKATADA HIROYUKI·Filed 2011·Granted Jun 11, 2013·5 cites·6 claims
- 2279US7038881B2Magnetic head for perpendicular recording including a main pole having a pole tip with three tapered sidesHITACHI LTD·Filed 2003·Granted May 2, 2006·12 cites·15 claims
- 2378US6926974B2Perpendicular magnetic recording medium and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Aug 9, 2005·10 cites·12 claims
- 2476US7405905B2Perpendicular magnetic recording and reproducing headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 29, 2008·2 cites·2 claims
- 2576US6545847B2Magnetoresistive effect headHITACHI LTD·Filed 2001·Granted Apr 8, 2003·9 cites·3 claims
- 2675US7348078B2Perpendicular magnetic recording medium and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 25, 2008·2 cites·8 claims
- 2774US7054106B2Magnetic head and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 30, 2006·9 cites·18 claims
- 2874US6504690B2Spin-tunnel magneto-resistance type magnetic sensorHITACHI LTD·Filed 2001·Granted Jan 7, 2003·13 cites·3 claims
- 2973US6507465B1Magnetoresistive effect headHITACHI LTD·Filed 2000·Granted Jan 14, 2003·7 cites·20 claims
- 3072US7145750B2Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing systemHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 5, 2006·7 cites·7 claims
- 3168US6587318B2Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofHITACHI LTD·Filed 2001·Granted Jul 1, 2003·9 cites·4 claims
- 3267US6731478B2Magnetoresistive effect headHITACHI LTD·Filed 2003·Granted May 4, 2004·5 cites·3 claims
- 3363US8085499B2Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using itKAWATO YOSHIAKI·Filed 2010·Granted Dec 27, 2011·1 cites·7 claims
- 3459US5969896AMagnetic recording/reproducing device with a function of correcting waveform of magnetoresistive-effect headHITACHI LTD·Filed 1997·Granted Oct 19, 1999·14 cites·36 claims
- 3557US7969691B2Magnetic head and magnetic disk system having a read sensor and a sensing currentHITACHI LTD·Filed 2008·Granted Jun 28, 2011·0 cites·15 claims
- 3655US6327123B1Magnetic head employing magnetoresistive sensor and magnetic storage and retrieval systemHITACHI LTD·Filed 1999·Granted Dec 4, 2001·11 cites·14 claims
- 3755US2010009620A1Inside air/outside air switching deviceTOYOTA MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 3852US7274626B2Magneto-optical recording using a heating elementHITACHI LTD·Filed 2004·Granted Sep 25, 2007·4 cites·8 claims
- 3945US6728081B2Magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2003·Granted Apr 27, 2004·0 cites·18 claims
- 4043US7086140B2Method of fabricating a thin film magnetic recording headHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Aug 8, 2006·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →