Inventor · disambiguated record
Nobuo Yoshida
Also filed as: YOSHIDA NOBUO
48 granted patents·7 pending applications·515 citations·filing 1976–2015
98Inventor score
Files withHITACHI GLOBAL STORAGE TECH14HGST Netherlands BV11HITACHI LTD5HITACHI GLOBAL STORAGE TECH NL3FUJI PHOTO FILM CO LTD2
Top patents by PatentIndex Score
55 records- 0197US9355655B1Magnetic capping layer structure for a spin torque oscillatorHGST Netherlands BV·Filed 2015·Granted May 31, 2016·35 cites·20 claims
- 0295US9269383B1Multi-sensor (MIMO) head having a back side antiferromagnetic middle shieldHGST Netherlands BV·Filed 2015·Granted Feb 23, 2016·24 cites·20 claims
- 0395US7535675B2Magnetic recording head with shaped poleHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted May 19, 2009·28 cites·9 claims
- 0494US9099125B1Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with stacked sensors for minimization of the effect of head skewHGST Netherlands BV·Filed 2014·Granted Aug 4, 2015·35 cites·12 claims
- 0594US6791795B2Thin film magnetic head having inductive write portion features that provide high recording field strengthHITACHI LTD·Filed 2002·Granted Sep 14, 2004·51 cites·11 claims
- 0692US8223464B2Differential head having a balanced output and method of manufacturing thereofYASUI KAN·Filed 2009·Granted Jul 17, 2012·18 cites·13 claims
- 0789US7561384B2Magneto-resistive sensor having small track width and sensor height using stopper layerHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 14, 2009·10 cites·6 claims
- 0886US8520338B2Magnetic recording head, method of manufacturing the same, and magnetic disk unitUDO YUTA·Filed 2011·Granted Aug 27, 2013·10 cites·20 claims
- 0985US8953284B1Multi-read sensor having a narrow read gap structureHGST Netherlands BV·Filed 2013·Granted Feb 10, 2015·7 cites·20 claims
- 1084US8537505B2Magnetoresistive effect head having a free layer and a magnetic domain control layer that applies a magnetic field more strongly in an upper part of the free layerSHIIMOTO MASATO·Filed 2010·Granted Sep 17, 2013·6 cites·26 claims
- 1182US9082436B1Zig-zag MIMO head reducing space between three sensorsHGST Netherlands BV·Filed 2014·Granted Jul 14, 2015·6 cites·11 claims
- 1282US8284527B2Magnetic heads having a graded domain control film and methods of manufacture thereofYOSHIDA NOBUO·Filed 2010·Granted Oct 9, 2012·6 cites·20 claims
- 1382US4009290AMethod for preparing edible oilNISSHIN OIL MILLS LTD·Filed 1976·Granted Feb 22, 1977·31 cites·6 claims
- 1480US8824103B2Magnetic recording head and magnetic recording apparatusSHIIMOTO MASATO·Filed 2012·Granted Sep 2, 2014·5 cites·5 claims
- 1577US7522387B2Thin film magnetic head and fabrication process for preventing short-circuit failure in a narrow track width and narrow gap lengthHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 21, 2009·3 cites·7 claims
- 1677US7446981B2Magnetic head, fabrication process of magnetic head, and magnetic disk storage apparatus mounting magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 4, 2008·3 cites·8 claims
- 1777US6693774B2Magnetoresistive sensor and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Feb 17, 2004·11 cites·14 claims
- 1877US4256372ACatadioptric lens system with light transmission control meansMINOLTA CAMERA KK·Filed 1978·Granted Mar 17, 1981·30 cites·13 claims
- 1976US7405905B2Perpendicular magnetic recording and reproducing headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 29, 2008·2 cites·2 claims
- 2075US7142391B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TEHCNOL·Filed 2001·Granted Nov 28, 2006·12 cites·18 claims
- 2174US7054106B2Magnetic head and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 30, 2006·9 cites·18 claims
- 2272US7145750B2Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing systemHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 5, 2006·7 cites·7 claims
- 2372US7142392B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 28, 2006·7 cites·21 claims
- 2471US9190081B2AF-coupled dual side shield reader with AF-coupled USLHGST Netherlands BV·Filed 2014·Granted Nov 17, 2015·2 cites·22 claims
- 2571US6999270B2Magnetic head and a magnetic disk driveHITACHI LTD·Filed 2003·Granted Feb 14, 2006·8 cites·23 claims
- 2671US6358369B1Press felt for making paperICHIKAWA CO LTD·Filed 2000·Granted Mar 19, 2002·15 cites·21 claims
- 2770US6723449B2Structure and plating method of thin film magnetic head and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Apr 20, 2004·12 cites·5 claims
- 2869US7881022B2Magnetic head and method for fabricating the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Feb 1, 2011·5 cites·15 claims
- 2968US7310203B2Thin film magnetic head having magnetic pole edge layer for achieving both improvement of recording magnetic field and reduction of unnecessary leakage magnetic field, and method of manufacturing sameHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Dec 18, 2007·7 cites·21 claims
- 3066US7042677B2Recording/producing separated type magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·6 cites·6 claims
- 3165US7536776B2Fabrication method for thin film magnetic headsHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 26, 2009·2 cites·24 claims
- 3264US5186491AAuto ignition deviceNIPPON KAYAKU KK·Filed 1991·Granted Feb 16, 1993·32 cites·6 claims
- 3358US7962286B2Vehicle-mounted navigation apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 14, 2011·2 cites·3 claims
- 3458US5378271ATire polishing and protective compositionISHIHARA CHEMICAL CO LTD·Filed 1993·Granted Jan 3, 1995·23 cites·6 claims
- 3557US8355224B2Sensor shape of a CPP magnetic head for improving the MR ratioHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jan 15, 2013·0 cites·13 claims
- 3657US8270123B2Vertical-current-type reproducing magnetic head and method of manufacturing the sameAKITA KENICHI·Filed 2009·Granted Sep 18, 2012·0 cites·15 claims
- 3757US6171989B1Silver-colored sintered product and method of producing the sameKYOCERA CORP·Filed 1997·Granted Jan 9, 2001·12 cites·13 claims
- 3853US4844321AMethod for explosive claddingNIPPON KAYAKU KK·Filed 1987·Granted Jul 4, 1989·15 cites·11 claims
- 3952US5083181ASemiconductor integrated circuit device and wiring method thereofHITACHI LTD·Filed 1988·Granted Jan 21, 1992·18 cites·34 claims
- 4050US9230574B2Magnetoresistive head with a CPP structure having suppressed side readingYOSHIDA NOBUO·Filed 2009·Granted Jan 5, 2016·0 cites·17 claims
- 4146US8373943B2Magnetic head having a multilayer magnetic film and method for producing the sameHITACHI GLOBAL STORAGE TECH NL·Filed 2010·Granted Feb 12, 2013·0 cites·25 claims
- 4246US7150819B2Structure and plating method of thin film magnetic head and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 19, 2006·0 cites·4 claims
- 4345US8432646B2Magnetic detection elementKOJIMA SHUUICHI·Filed 2008·Granted Apr 30, 2013·0 cites·11 claims
- 4445US7333301B2Magnetic recording head and method for manufacturingHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Feb 19, 2008·0 cites·24 claims
- 4545US2006007603A1Magnetoresistive sensor with refill film, fabrication process, and magnetic disk storage apparatus mounting magnetoresistive sensorHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
- 4644US9042060B2Magnetic head having a long throat height pinned layer with a short height hard bias layerHGST Netherlands BV·Filed 2013·Granted May 26, 2015·0 cites·21 claims
- 4743US9336802B2Zig-zag MIMO head reducing space between three sensorsHGST Netherlands BV·Filed 2015·Granted May 10, 2016·0 cites·9 claims
- 4843US2014133052A1Magnetoresistive sensor having reduced read gap and strong pinned layer stabilityHGST Netherlands BV·Filed 2012·Application pending·0 cites
- 4940US2015138668A1Multi-read sensor having a narrow read gap structureHGST Netherlands BV·Filed 2015·Application pending·0 cites
- 5038US8786988B2Read sensor having a structure for reducing magnetic coupling between a magnetic bias layer and an upper magnetic shieldMASHIMA HIDEKI·Filed 2012·Granted Jul 22, 2014·0 cites·14 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →