Inventor · disambiguated record
Takayoshi Ohtsu
Also filed as: OHTSU TAKAYOSHI · SHODA MITSUHIRO
30 granted patents·3 pending applications·194 citations·filing 1989–2010
96Inventor score
Top patents by PatentIndex Score
33 records- 0194US8284521B2Magnetic head sliderOHTSU TAKAYOSHI·Filed 2007·Granted Oct 9, 2012·30 cites·20 claims
- 0291US8270109B2Magnetic head slider inhibiting a side erase and method of manufacturing thereofOHTSU TAKAYOSHI·Filed 2009·Granted Sep 18, 2012·15 cites·16 claims
- 0391US7719796B2Suspension for hard disk drive which enables easy dynamic electric testingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 18, 2010·15 cites·18 claims
- 0487US8477455B2Noise and particle shield for contact sensor in a sliderFURUKAWA MASARU·Filed 2010·Granted Jul 2, 2013·11 cites·6 claims
- 0587US5079662ACompound magnetic head having a recording head and a reproducing magnetoresitive head integrated thereinHITACHI LTD·Filed 1989·Granted Jan 7, 1992·40 cites·3 claims
- 0685US7911738B2Magnetic head slider with resistive heating film meandering in stacking directionHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Mar 22, 2011·6 cites·13 claims
- 0785US7684153B2Magnetic head slider with ground and heater terminal arrangement and magnetic head assemblyHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Mar 23, 2010·6 cites·10 claims
- 0881US7723982B2Testing and manufacturing method of magnetic headsHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted May 25, 2010·4 cites·9 claims
- 0978US7652848B2Suspension for magnetic head slider characteristic testHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 26, 2010·3 cites·10 claims
- 1074US7738214B2Thin film magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jun 15, 2010·2 cites·10 claims
- 1173US8221192B2Magnetic-recording-disk test-head and method of manufacturing a magnetic-recording disk using the magnetic-recording-disk test-headKASHIWASE HIDEKAZU·Filed 2009·Granted Jul 17, 2012·3 cites·11 claims
- 1273US7595952B2Magnetic head evaluation apparatus and method for manufacturing magnetic disk drive using the sameHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Sep 29, 2009·2 cites·8 claims
- 1373US6903906B2Magnetic head with a lamination stack to control the magnetic domainHITACHI LTD·Filed 2002·Granted Jun 7, 2005·17 cites·12 claims
- 1472US7623323B2Magnetoresistive head and read/write separation-type magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 24, 2009·2 cites·14 claims
- 1571US6999270B2Magnetic head and a magnetic disk driveHITACHI LTD·Filed 2003·Granted Feb 14, 2006·8 cites·23 claims
- 1666US6697235B2Magnetoresistive head and magnetic recoding/reproducing apparatus using the sameHITACHI LTD·Filed 2002·Granted Feb 24, 2004·6 cites·7 claims
- 1763US7983005B2Thin film magnetic head with flying height adjustment capabilityHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jul 19, 2011·1 cites·11 claims
- 1862US8786986B2Head-slider including thin-film magnetic-recording head having reduced thermal protrusionFUJITA SHIGEO·Filed 2009·Granted Jul 22, 2014·1 cites·6 claims
- 1961US7230803B2Magnetic head with magnetic domain control structure having anti-ferromagnetic layer and plural magnetic layersHITACHI LTD·Filed 2004·Granted Jun 12, 2007·4 cites·18 claims
- 2058US8431255B2Galvanomagnetic device and magnetic sensorSARBANOO DAS·Filed 2008·Granted Apr 30, 2013·1 cites·16 claims
- 2158US7221544B2Magnetic recording apparatus and magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted May 22, 2007·3 cites·13 claims
- 2256US8711520B2Device with a floating head having a heater elementKOIKE MINORU·Filed 2010·Granted Apr 29, 2014·1 cites·19 claims
- 2356US8335057B2CPP magnetoresistive headOSUGI MASAHIRO·Filed 2009·Granted Dec 18, 2012·0 cites·19 claims
- 2456US5307214AMagnetic recording apparatusHITACHI LTD·Filed 1992·Granted Apr 26, 1994·11 cites·13 claims
- 2555US7292416B2CPP magneto resistive head with decreased variation in asymmetry and outputHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 6, 2007·0 cites·5 claims
- 2654US6704177B2Magnetic head with magnetic domain control structure having antiferromagnetic layer and magnetic layerHITACHI LTD·Filed 2002·Granted Mar 9, 2004·2 cites·18 claims
- 2750US2008043376A1Magnetic resistive head and magnetic recording apparatusHITACHI LTD·Filed 2007·Application pending·0 cites
- 2849US7558188B2Magnetic head having durability against static electricity with modified time constantHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 7, 2009·0 cites·15 claims
- 2946US2006092576A1Magnetic head for high speed data transferHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
- 3044US7031123B2Magneto resistive head and magnetic recording apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 18, 2006·0 cites·4 claims
- 3143US8184406B2Thin film magnetic head having an angled insulating filmYOSHIDA NUBUO·Filed 2007·Granted May 22, 2012·0 cites·5 claims
- 3243US2003026041A1Recording and reproducing separation type magnetic head having thin part in upper core or magnetic film and magnetic storage apparatus using the sameHITACHI LTD·Filed 2002·Application pending·0 cites
- 3331US6700737B1Recording and reproducing separation type magnetic head having thin part in upper core or magnetic film and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 1999·Granted Mar 2, 2004·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →