Inventor · disambiguated record
Reiko Arai
Also filed as: ARAI REIKO
25 granted patents·5 pending applications·292 citations·filing 1989–2010
96Inventor score
Files withHITACHI GLOBAL STORAGE TECH11HITACHI LTD9HITACHI GLOBAL STORAGE TECH NL4ARAI REIKO2MATSUMOTO HIROYUKI1
Top patents by PatentIndex Score
30 records- 0193US6636391B2Magnetoresistive sensor, magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2001·Granted Oct 21, 2003·63 cites·15 claims
- 0290US7289284B2Stray field detector, magnetic disk drive, and method of head escapingHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 30, 2007·11 cites·23 claims
- 0390US5933297AMagnetic storage/read system with read head including magnetoresistive elementHITACHI LTD·Filed 1993·Granted Aug 3, 1999·39 cites·69 claims
- 0486US6671136B2Magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2001·Granted Dec 30, 2003·17 cites·8 claims
- 0585US7875373B2Perpendicular magnetic recording medium and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 25, 2011·6 cites·16 claims
- 0685US7875371B2Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2005·Granted Jan 25, 2011·5 cites·10 claims
- 0784US8390956B2Perpendicular magnetic recording medium having FCC seed layersTONOOKA SHUN·Filed 2010·Granted Mar 5, 2013·10 cites·20 claims
- 0883US7691500B2Perpendicular magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Apr 6, 2010·5 cites·2 claims
- 0982US6947316B2Magnetoresistive sensor including magnetic domain control layers having high electric resistivity, magnetic head and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Sep 20, 2005·19 cites·6 claims
- 1081US7666530B2Perpendicular magnetic recording medium, and magnetic recording/reproducing apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 23, 2010·4 cites·21 claims
- 1181US7153596B2Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 26, 2006·14 cites·10 claims
- 1281US6249405B1Magnetic head including magnetoresistive elementHITACHI LTD·Filed 2000·Granted Jun 19, 2001·11 cites·12 claims
- 1379US7641989B2Perpendicular magnetic recording medium for high density recording and manufacturing of the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 5, 2010·3 cites·11 claims
- 1478US6125019AMagnetic head including magnetoresistive elementHITACHI LTD·Filed 1999·Granted Sep 26, 2000·22 cites·20 claims
- 1577US7217467B2Perpendicular magnetic recording medium and magnetic recording/reproducing apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 15, 2007·11 cites·16 claims
- 1677US6870718B2Magnetoresistive sensor including magnetic domain control layers having high electric resistivityHITACHI LTD·Filed 2001·Granted Mar 22, 2005·15 cites·6 claims
- 1776US5051856AThin film magnetic head with mixed crystal structuresHITACHI LTD·Filed 1989·Granted Sep 24, 1991·23 cites·13 claims
- 1875US6633465B2Magnetoresistive elementHITACHI LTD·Filed 2001·Granted Oct 14, 2003·7 cites·8 claims
- 1969US7534507B2Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 19, 2009·1 cites·5 claims
- 2066US8071228B2Perpendicular magnetic recording mediumARAI REIKO·Filed 2007·Granted Dec 6, 2011·1 cites·13 claims
- 2165US7072155B2Magnetoresistive sensor including magnetic domain control layers having high electric resistivity, magnetic head and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 4, 2006·3 cites·16 claims
- 2263US8507115B2Perpendicular magnetic recording mediumARAI REIKO·Filed 2009·Granted Aug 13, 2013·2 cites·23 claims
- 2350US8802247B2Perpendicular magnetic recording medium with high medium S/NMATSUMOTO HIROYUKI·Filed 2006·Granted Aug 12, 2014·0 cites·13 claims
- 2450US2007285839A1Perpendicular magnetic recording medium and method of manufacturing the sameHITACHI GLOBAL STORAGE TECH·Filed 2007·Application pending·0 cites
- 2550US2011032638A1Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2010·Application pending·0 cites
- 2650US2011151144A1Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2010·Application pending·0 cites
- 2749US2007153419A1Perpendicular magnetic record medium and magnetic storage systemHITACHI GLOBAL STORAGE TECH·Filed 2006·Application pending·0 cites
- 2845US6728081B2Magnetic head and magnetic disk apparatusHITACHI LTD·Filed 2003·Granted Apr 27, 2004·0 cites·18 claims
- 2939US2003193763A1Magnetoresistive sensor including magnetic domain control layers having high electric resistivity, magnetic head and magnetic disk apparatusFiled 2003·Application pending·0 cites
- 3038US8705208B2Perpendicular magnetic recording medium (PMRM) and magnetic storage device using the sameNAKAGAWA HIROYUKI·Filed 2010·Granted Apr 22, 2014·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Reiko Arai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →