Inventor · disambiguated record
Isamu Yuito
Also filed as: SHIMIZU NOBORU · YUITO ISAMU
35 granted patents·1,187 citations·filing 1975–2006
98Inventor score
Top patents by PatentIndex Score
35 records- 0198US5390061AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1991·Granted Feb 14, 1995·156 cites·27 claims
- 0298US4008412AThin-film field-emission electron source and a method for manufacturing the sameHITACHI LTD·Filed 1975·Granted Feb 15, 1977·180 cites·19 claims
- 0397US4467240AIon beam sourceHITACHI LTD·Filed 1982·Granted Aug 21, 1984·91 cites·16 claims
- 0496US4881144AThin film magnetic headHITACHI LTD·Filed 1988·Granted Nov 14, 1989·77 cites·12 claims
- 0595US6687099B2Magnetic 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
- 0694US5850326ANarrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layerHITACHI LTD·Filed 1994·Granted Dec 15, 1998·45 cites·77 claims
- 0794US5726837AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1994·Granted Mar 10, 1998·43 cites·24 claims
- 0892US4636897APerpendicular magnetic recording and reproducing thin film headHITACHI LTD·Filed 1983·Granted Jan 13, 1987·55 cites·11 claims
- 0989US6011674AMagnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositionsHITACHI LTD·Filed 1996·Granted Jan 4, 2000·33 cites·6 claims
- 1089US5287237AAntiferromagnetic 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
- 1189US4651248AThin-film magnetic headHITACHI LTD·Filed 1983·Granted Mar 17, 1987·34 cites·8 claims
- 1288US4539616AThin film magnetic head and fabricating method thereofHITACHI LTD·Filed 1982·Granted Sep 3, 1985·31 cites·13 claims
- 1387US6839200B2Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write elementHITACHI LTD·Filed 2003·Granted Jan 4, 2005·12 cites·2 claims
- 1487US6538844B2Method of fabricating a magnetic head by focused ion beam etchingHITACHI LTD·Filed 2002·Granted Mar 25, 2003·13 cites·5 claims
- 1586US6483677B2Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effectHITACHI LTD·Filed 2001·Granted Nov 19, 2002·11 cites·6 claims
- 1684US5701221AMagnetoresistive thin-film magnetic head and method of fabrication thereofHITACHI LTD·Filed 1995·Granted Dec 23, 1997·41 cites·6 claims
- 1784US5126907AThin film magnetic head having at least one magnetic core member made at least partly of a material having a high saturation magnetic flux densityHITACHI LTD·Filed 1990·Granted Jun 30, 1992·38 cites·23 claims
- 1883US7159303B2Method for manufacturing magnetic head deviceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jan 9, 2007·7 cites·4 claims
- 1983US4631612AMagnetic recording and reproducing systemSHIIKI KAZUO·Filed 1983·Granted Dec 23, 1986·29 cites·9 claims
- 2079US6278593B1Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effectHITACHI LTD·Filed 1999·Granted Aug 21, 2001·17 cites·64 claims
- 2178US4760481AThin film magnetic head having an improved coilHITACHI LTD·Filed 1986·Granted Jul 26, 1988·25 cites·6 claims
- 2277US5808843AMagnetoresistance effect reproduction headHITACHI LTD·Filed 1992·Granted Sep 15, 1998·25 cites·10 claims
- 2370US6307707B1Narrow track thin film head including magnetic poles machined by focused ion beam etchingHITACHI LTD·Filed 2000·Granted Oct 23, 2001·4 cites·5 claims
- 2470US6278578B1Narrow track thin film head having a focused ion beam etched air bearing surfaceHITACHI LTD·Filed 2000·Granted Aug 21, 2001·4 cites·4 claims
- 2569US7054120B2Magnetic 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
- 2669US4922360AMagnetic headHITACHI LTD·Filed 1988·Granted May 1, 1990·15 cites·5 claims
- 2763US4907114AMangeto-resistive type read headHITACHI LTD·Filed 1988·Granted Mar 6, 1990·12 cites·6 claims
- 2863US4291252AElectron tube cathodeHITACHI LTD·Filed 1979·Granted Sep 22, 1981·9 cites·8 claims
- 2962US5897969AMethod of fabricating a magnetoresistive thin-film magnetic headHITACHI LTD·Filed 1997·Granted Apr 27, 1999·14 cites·6 claims
- 3061US5371643AMagnetoresistive head structure that prevents under film from undesirable etchingHITACHI LTD·Filed 1992·Granted Dec 6, 1994·21 cites·11 claims
- 3160US6111723ANarrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layerHITACHI LTD·Filed 1998·Granted Aug 29, 2000·8 cites·39 claims
- 3257US6665141B2Magnetic head having track width defined by trench portions filled with magnetic shield materialHITACHI LTD·Filed 2003·Granted Dec 16, 2003·1 cites·5 claims
- 3355US5212609AMagnetoresistive headHITACHI LTD·Filed 1991·Granted May 18, 1993·15 cites·9 claims
- 3454US6937445B2Recording/reproducing separated type head with heat radiating structureHITACHI LTD·Filed 2003·Granted Aug 30, 2005·2 cites·8 claims
- 3547US4260665AElectron tube cathode and method for producing the sameHITACHI LTD·Filed 1978·Granted Apr 7, 1981·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →