Inventor · disambiguated record
Moriaki Fuyama
Also filed as: FUYAMA MORIAKI
56 granted patents·4 pending applications·1,130 citations·filing 1975–2007
99Inventor score
Files withHITACHI LTD48HITACHI GLOBAL STORAGE TECH6HITACHI METALS LTD2HITACHI GLOBAL STORAGE TEHCNOL1
Top patents by PatentIndex Score
60 records- 0194US6791795B2Thin 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
- 0292US5245493AMagnetic information storage apparatus including magnetic head and method for making magnetic headHITACHI LTD·Filed 1990·Granted Sep 14, 1993·68 cites·22 claims
- 0390US6034847AApparatus and thin film magnetic head with magnetic membrane layers of different resistivityHITACHI LTD·Filed 1997·Granted Mar 7, 2000·64 cites·10 claims
- 0490US5933297AMagnetic storage/read system with read head including magnetoresistive elementHITACHI LTD·Filed 1993·Granted Aug 3, 1999·39 cites·69 claims
- 0589US6530141B2Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 2001·Granted Mar 11, 2003·24 cites·12 claims
- 0689US6490131B2Thin film magnetic head with electroplated Ni-Fe alloy thin film having small average crystal grain size rangeHITACHI LTD·Filed 2002·Granted Dec 3, 2002·18 cites·4 claims
- 0789US5590008AMagnetic disc unit having a plurality of magnetic heads which include multilayer magnetic filmsHITACHI LTD·Filed 1994·Granted Dec 31, 1996·52 cites·30 claims
- 0889US4269899ASurface hafnium-titanium carbide coated hard alloy and methodHITACHI METALS LTD·Filed 1979·Granted May 26, 1981·49 cites·19 claims
- 0988US6262867B1Thin film magnetic head with Ni-Fe alloy thin filmHITACHI LTD·Filed 2000·Granted Jul 17, 2001·18 cites·3 claims
- 1086US6510025B2Thin film magnetic head including a protrusion structure and an insulation film in a magnetic coreHITACHI LTD·Filed 2001·Granted Jan 21, 2003·17 cites·6 claims
- 1185US6118628AThin film magnetic head with Ni-Fe alloy thin filmHITACHI LTD·Filed 1996·Granted Sep 12, 2000·33 cites·15 claims
- 1285US5349745AMethod of fabricating thin-film magnetic headHITACHI LTD·Filed 1993·Granted Sep 27, 1994·39 cites·9 claims
- 1381US6563677B2Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing headHITACHI LTD·Filed 2002·Granted May 13, 2003·11 cites·3 claims
- 1481US6249405B1Magnetic head including magnetoresistive elementHITACHI LTD·Filed 2000·Granted Jun 19, 2001·11 cites·12 claims
- 1581US6091582AThin film magnetic recording head with very narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 1998·Granted Jul 18, 2000·31 cites·14 claims
- 1679US6385015B2Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing headHITACHI LTD·Filed 2001·Granted May 7, 2002·10 cites·4 claims
- 1779US4945009AElectroluminescence deviceHITACHI LTD·Filed 1988·Granted Jul 31, 1990·35 cites·31 claims
- 1878US6125019AMagnetic head including magnetoresistive elementHITACHI LTD·Filed 1999·Granted Sep 26, 2000·22 cites·20 claims
- 1978US5563752AMagnetic recording and reproducing device using a giant magnetoresistive filmHITACHI LTD·Filed 1994·Granted Oct 8, 1996·41 cites·6 claims
- 2078US5514477ACorrosion-resistant laminate which consists of a metal of a single mass number deposited on a substrateHITACHI LTD·Filed 1993·Granted May 7, 1996·21 cites·6 claims
- 2178US4543573ADisplay panelHITACHI LTD·Filed 1982·Granted Sep 24, 1985·37 cites·11 claims
- 2277US6661606B2Magnetic disk apparatus with magnetic head having upper and lower magnetic cores of an electroplated thin filmHITACHI LTD·Filed 2002·Granted Dec 9, 2003·8 cites·3 claims
- 2377US5668685AMagnetic disc apparatusHITACHI LTD·Filed 1994·Granted Sep 16, 1997·25 cites·30 claims
- 2477US5241440AThin film magnetic head and manufacturing method thereforHITACHI LTD·Filed 1992·Granted Aug 31, 1993·27 cites·16 claims
- 2575US7142391B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TEHCNOL·Filed 2001·Granted Nov 28, 2006·12 cites·18 claims
- 2675US6633465B2Magnetoresistive elementHITACHI LTD·Filed 2001·Granted Oct 14, 2003·7 cites·8 claims
- 2775US5687045AThin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic headHITACHI LTD·Filed 1995·Granted Nov 11, 1997·30 cites·35 claims
- 2875US4264682ASurface hafnium-titanium compound coated hard alloy material and method of producing the sameHITACHI METALS LTD·Filed 1979·Granted Apr 28, 1981·22 cites·22 claims
- 2974US5436777AMagnetoresistive headHITACHI LTD·Filed 1992·Granted Jul 25, 1995·22 cites·26 claims
- 3073US7203032B2Magnetic recording head and fabrication processHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 10, 2007·7 cites·4 claims
- 3172US7142392B2Thin film head, producing method thereof and magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 28, 2006·7 cites·21 claims
- 3272US6337784B2Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing headHITACHI LTD·Filed 2000·Granted Jan 8, 2002·6 cites·8 claims
- 3372US4877994AElectroluminescent device and process for producing the sameHITACHI LTD·Filed 1988·Granted Oct 31, 1989·25 cites·19 claims
- 3470US6795272B2Thin film magnetic head and magnetic storage apparatusHITACHI LTD·Filed 2002·Granted Sep 21, 2004·6 cites·10 claims
- 3570US6723449B2Structure and plating method of thin film magnetic head and magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Apr 20, 2004·12 cites·5 claims
- 3670US5726838AMagnetic disc apparatus with head having magneto-resistance effectHITACHI LTD·Filed 1995·Granted Mar 10, 1998·23 cites·18 claims
- 3769US6491832B2Method for processing specimensHITACHI LTD·Filed 2000·Granted Dec 10, 2002·12 cites·4 claims
- 3868US7310203B2Thin 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
- 3968US5729409AMagnetic disk device having a corrosion resistant magnetoresistive headHITACHI LTD·Filed 1996·Granted Mar 17, 1998·17 cites·4 claims
- 4068US4857802AThin film EL element and process for producing the sameHITACHI LTD·Filed 1987·Granted Aug 15, 1989·24 cites·10 claims
- 4167US6385009B2Thin film magnetic head and assembled construction thereofHITACHI LTD·Filed 2001·Granted May 7, 2002·4 cites·5 claims
- 4267US6104574AMagnetic head with a magnetic pole sandwiched between conductive materialsHITACHI LTD·Filed 1995·Granted Aug 15, 2000·19 cites·4 claims
- 4363US5296979AMagnetic disc apparatus with thin film head suitable for high-density recordingHITACHI LTD·Filed 1992·Granted Mar 22, 1994·14 cites·36 claims
- 4463US4617575AThermal headHITACHI LTD·Filed 1985·Granted Oct 14, 1986·14 cites·22 claims
- 4560US4971896AMethod for forming thin film pattern and method for fabricating thin film magnetic head using the sameHITACHI LTD·Filed 1988·Granted Nov 20, 1990·11 cites·24 claims
- 4659US2007153418A1Magnetic recording head and fabrication processHITACHI GLOBAL STORAGE TECH·Filed 2007·Application pending·0 cites
- 4758US6317301B2Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing headHITACHI LTD·Filed 1998·Granted Nov 13, 2001·9 cites·4 claims
- 4857US5316617AThin film magnetic head and method of manufacturing the sameHITACHI LTD·Filed 1993·Granted May 31, 1994·13 cites·15 claims
- 4957US5110792AMethod and apparatus of optical modulation using superconductive oxide materialHITACHI LTD·Filed 1989·Granted May 5, 1992·16 cites·34 claims
- 5052US6490129B1Magnetic head including an inductive magnetic head having a lower magnetic core of a magnetic film/non-magnetic film/magnetic film multilayer structureHITACHI LTD·Filed 2000·Granted Dec 3, 2002·1 cites·8 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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