Inventor · disambiguated record
Masahiro Kitada
Also filed as: KITADA MASAHIRO
36 granted patents·849 citations·filing 1982–2006
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US5390061AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1991·Granted Feb 14, 1995·156 cites·27 claims
- 0295US6687099B2Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force differenceHITACHI LTD·Filed 2002·Granted Feb 3, 2004·33 cites·10 claims
- 0395US4663607AMagnetoresistive elementHITACHI LTD·Filed 1985·Granted May 5, 1987·64 cites·18 claims
- 0494US5726837AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1994·Granted Mar 10, 1998·43 cites·24 claims
- 0591US5218497AMagnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewithHITACHI LTD·Filed 1991·Granted Jun 8, 1993·54 cites·31 claims
- 0689US6011674AMagnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositionsHITACHI LTD·Filed 1996·Granted Jan 4, 2000·33 cites·6 claims
- 0789US5287237AAntiferromagnetic film superior in corrosion resistance, magnetoresistance-effect element and magnetoresistance-effect head including such thin filmHITACHI LTD·Filed 1991·Granted Feb 15, 1994·71 cites·12 claims
- 0888US5461526AMagnetoresistive read head and magnetic storage system using the sameHITACHI LTD·Filed 1993·Granted Oct 24, 1995·46 cites·17 claims
- 0986US6483677B2Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effectHITACHI LTD·Filed 2001·Granted Nov 19, 2002·11 cites·6 claims
- 1084US5181149AMagnetic recording/reproducing head assemblyHITACHI LTD·Filed 1989·Granted Jan 19, 1993·32 cites·18 claims
- 1183US7159303B2Method for manufacturing magnetic head deviceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jan 9, 2007·7 cites·4 claims
- 1283US5998040AMultilayer which shows magnetoresistive effect and magnetoresistive element using the sameHITACHI LTD·Filed 1991·Granted Dec 7, 1999·49 cites·36 claims
- 1381US5337203AMagnetoresistive magnetic headHITACHI LTD·Filed 1992·Granted Aug 9, 1994·23 cites·34 claims
- 1479US6278593B1Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effectHITACHI LTD·Filed 1999·Granted Aug 21, 2001·17 cites·64 claims
- 1577US5808843AMagnetoresistance effect reproduction headHITACHI LTD·Filed 1992·Granted Sep 15, 1998·25 cites·10 claims
- 1676US4816948AMagneto-resistive headHITACHI LTD·Filed 1987·Granted Mar 28, 1989·20 cites·6 claims
- 1776US4663684AMagnetic transducer using magnetoresistance effectHITACHI LTD·Filed 1985·Granted May 5, 1987·32 cites·21 claims
- 1873US7292417B2Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effectHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 6, 2007·3 cites·7 claims
- 1969US7054120B2Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effectHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 30, 2006·7 cites·7 claims
- 2066US5010433AMagnetoresistive magnetic head having a shunt film of NbHITACHI LTD·Filed 1989·Granted Apr 23, 1991·10 cites·9 claims
- 2164US4783711AMagnetoresistive sensor having magnetic shields of ferriteHITACHI LTD·Filed 1986·Granted Nov 8, 1988·13 cites·14 claims
- 2263US4907114AMangeto-resistive type read headHITACHI LTD·Filed 1988·Granted Mar 6, 1990·12 cites·6 claims
- 2361US5371643AMagnetoresistive head structure that prevents under film from undesirable etchingHITACHI LTD·Filed 1992·Granted Dec 6, 1994·21 cites·11 claims
- 2455US5212609AMagnetoresistive headHITACHI LTD·Filed 1991·Granted May 18, 1993·15 cites·9 claims
- 2554US4841399AMagnetoresistive magnetic head including zirconium sheet filmHITACHI LTD·Filed 1986·Granted Jun 20, 1989·8 cites·10 claims
- 2650US5719729AMagnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write headHITACHI LTD·Filed 1992·Granted Feb 17, 1998·8 cites·4 claims
- 2749US4814919ASoft-film-bias type magnetoresitive deviceHITACHI LTD·Filed 1987·Granted Mar 21, 1989·7 cites·11 claims
- 2846US6064546AMagnetic storage apparatusHITACHI LTD·Filed 1998·Granted May 16, 2000·5 cites·13 claims
- 2944US6452758B2Magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Sep 17, 2002·0 cites·3 claims
- 3044US4411757AFormation of electrodes for magnetoresistive sensorHITACHI LTD·Filed 1982·Granted Oct 25, 1983·7 cites·9 claims
- 3143US6297929B1Magnetic storage apparatusHITACHI LTD·Filed 2000·Granted Oct 2, 2001·0 cites·12 claims
- 3242US4544591APerpendicular magnetic recording mediumHITACHI LTD·Filed 1983·Granted Oct 1, 1985·7 cites·25 claims
- 3338US5401542AMagnetoresistive magnetic head and its manufacturing methodHITACHI LTD·Filed 1993·Granted Mar 28, 1995·2 cites·7 claims
- 3437US5521005AMagnetoresistive headHITACHI LTD·Filed 1992·Granted May 28, 1996·4 cites·20 claims
- 3534US4596646AThin-film permanent magnet and method of producing the sameHITACHI LTD·Filed 1983·Granted Jun 24, 1986·3 cites·8 claims
- 3631US4769093AMagnetoresistive deviceHITACHI LTD·Filed 1987·Granted Sep 6, 1988·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →