Inventor · disambiguated record
Kazuhiro Nakamoto
Also filed as: NAKAMOTO KAZUHIRO
31 granted patents·1 pending application·542 citations·filing 1994–2010
97Inventor score
Files withHITACHI GLOBAL STORAGE TECH14HITACHI LTD11HITACHI METALS LTD2HOSHIYA HIROYUKI2KAWATO YOSHIAKI1
Top patents by PatentIndex Score
32 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
- 0294US7679862B2Perpendicular recording head with reduced thermal protrusionHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 16, 2010·20 cites·18 claims
- 0394US7158351B2Magnetic recording and reproducing head restraining a side readingHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 2, 2007·18 cites·4 claims
- 0493US7221538B2Thin 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
- 0592US7599151B2Magnetic head with laminated side shieldsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Oct 6, 2009·40 cites·19 claims
- 0692US6967823B2Magnetic recording headHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 22, 2005·32 cites·13 claims
- 0791US6456466B1Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic headHITACHI LTD·Filed 2000·Granted Sep 24, 2002·29 cites·14 claims
- 0891US5936810AMagnetoresistive effect headHITACHI LTD·Filed 1997·Granted Aug 10, 1999·53 cites·20 claims
- 0990US8174799B2Differential magnetoresistive magnetic headHOSHIYA HIROYUKI·Filed 2008·Granted May 8, 2012·22 cites·19 claims
- 1089US5590008AMagnetic disc unit having a plurality of magnetic heads which include multilayer magnetic filmsHITACHI LTD·Filed 1994·Granted Dec 31, 1996·52 cites·30 claims
- 1187US6141190AMagnetoresistive effect headHITACHI LTD·Filed 1999·Granted Oct 31, 2000·38 cites·16 claims
- 1285US7505232B2Magnetic head with side shield and manufacturing method thereofHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 17, 2009·9 cites·14 claims
- 1383US7813079B2Thin 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
- 1483US6275360B1Read-write headHITACHI LTD·Filed 1998·Granted Aug 14, 2001·45 cites·4 claims
- 1578US6926974B2Perpendicular magnetic recording medium and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Aug 9, 2005·10 cites·12 claims
- 1677US6693774B2Magnetoresistive sensor and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Feb 17, 2004·11 cites·14 claims
- 1776US7405905B2Perpendicular magnetic recording and reproducing headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 29, 2008·2 cites·2 claims
- 1876US7400137B1Magnetic encoder having a stable output property with unsaturated magnetic sensorHITACHI METALS LTD·Filed 2007·Granted Jul 15, 2008·8 cites·13 claims
- 1976US6643105B2Magnetic head having magnetic shield layersHITACHI LTD·Filed 2002·Granted Nov 4, 2003·9 cites·2 claims
- 2076US6545847B2Magnetoresistive effect headHITACHI LTD·Filed 2001·Granted Apr 8, 2003·9 cites·3 claims
- 2175US7348078B2Perpendicular magnetic recording medium and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 25, 2008·2 cites·8 claims
- 2274US7054106B2Magnetic head and magnetic storage apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 30, 2006·9 cites·18 claims
- 2373US6507465B1Magnetoresistive effect headHITACHI LTD·Filed 2000·Granted Jan 14, 2003·7 cites·20 claims
- 2472US7145750B2Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing systemHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 5, 2006·7 cites·7 claims
- 2568US9245548B2Magnetic head using a synthetic ferri free structureSHIIMOTO MASATO·Filed 2008·Granted Jan 26, 2016·1 cites·20 claims
- 2667US8564282B2Angle sensor, angle sensor manufacturing method, and angle detection device using the angle sensorHOSHIYA HIROYUKI·Filed 2008·Granted Oct 22, 2013·5 cites·16 claims
- 2767US6731478B2Magnetoresistive effect headHITACHI LTD·Filed 2003·Granted May 4, 2004·5 cites·3 claims
- 2863US8085499B2Thin 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
- 2959US5969896AMagnetic recording/reproducing device with a function of correcting waveform of magnetoresistive-effect headHITACHI LTD·Filed 1997·Granted Oct 19, 1999·14 cites·36 claims
- 3050US2007236836A1Magnetic head sliderHITACHI GLOBAL STORAGE TECH·Filed 2007·Application pending·0 cites
- 3147US7456758B2Magnetic encoder apparatusHITACHI METALS LTD·Filed 2007·Granted Nov 25, 2008·0 cites·7 claims
- 3240US8320073B2Perpendicular magnetic recording head and method for producing the sameSUGIYAMA MIKITO·Filed 2010·Granted Nov 27, 2012·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →