Inventor · disambiguated record
Yasuo Hayakawa
Also filed as: HAYAKAWA YASUO
27 granted patents·4 pending applications·609 citations·filing 1986–2012
97Inventor score
Top patents by PatentIndex Score
31 records- 0197US6707649B2Magnetic sensing element permitting decrease in effective element size while maintaining large optical element sizeALPS ELECTRIC CO LTD·Filed 2002·Granted Mar 16, 2004·85 cites·18 claims
- 0295US7365949B2CPP giant magnetoresistive head including pinned magnetic layer that extends in the height directionTDK CORP·Filed 2005·Granted Apr 29, 2008·37 cites·6 claims
- 0394US7800867B2CPP GMR head with antiferromagnetic layer disposed at rear of ferrimagnetic pinned layerTDK CORP·Filed 2009·Granted Sep 21, 2010·15 cites·2 claims
- 0493US7623324B2Magnetic sensing element having reactive-ion-etching stop layer and process for producing sameTDK CORP·Filed 2006·Granted Nov 24, 2009·16 cites·13 claims
- 0592US7220499B2CPP giant magnetoresistive head having antiferromagnetic film disposed in rear of elementALPS ELECTRIC CO LTD·Filed 2004·Granted May 22, 2007·51 cites·40 claims
- 0689US7599155B2Self-pinned CPP giant magnetoresistive head with antiferromagnetic film absent from current pathTDK CORP·Filed 2004·Granted Oct 6, 2009·23 cites·8 claims
- 0788US6351204B1Thin magnetic element and transformerALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 26, 2002·29 cites·4 claims
- 0885US5896078ASoft magnetic alloy thin film and plane-type magnetic deviceALPS ELECTRIC CO LTD·Filed 1995·Granted Apr 20, 1999·36 cites·7 claims
- 0984US7656620B2Magnetic head device provided with lead electrode electrically connected to magnetic shield layerTDK CORP·Filed 2006·Granted Feb 2, 2010·6 cites·6 claims
- 1083US6252749B1Thin film magnetic head having a gap layer with improved thermal conductivityALPS ELECTRIC CO LTD·Filed 1998·Granted Jun 26, 2001·38 cites·36 claims
- 1181USD683634SPhoto detectorHAYAKAWA YASUO·Filed 2012·Granted Jun 4, 2013·35 cites·1 claims
- 1281US6140902AThin magnetic element and transformerALPS ELECTRIC CO LTD·Filed 1997·Granted Oct 31, 2000·33 cites·4 claims
- 1379US6459551B1Thin film magnetic headALPS ELECTRIC CO LTD·Filed 1999·Granted Oct 1, 2002·31 cites·8 claims
- 1477US6654212B2Magnetic sensor capable of providing stable resistance change rateALPS ELECTRIC CO LTD·Filed 2002·Granted Nov 25, 2003·11 cites·7 claims
- 1569US5833770AHigh frequency soft magnetic alloy and plane magnetic element, antenna and wave absorber comprising the sameALPS ELECTRIC CO LTD·Filed 1997·Granted Nov 10, 1998·25 cites·13 claims
- 1667US2009130319A1Coil spring coating portion forming method and apparatusSHOWA CORP·Filed 2008·Application pending·0 cites
- 1766US5656101ASoft magnetic alloy thin film with nitrogen-based amorphous phaseALPS ELECTRIC CO LTD·Filed 1995·Granted Aug 12, 1997·16 cites·5 claims
- 1861US4768155ASupersonic flaw detecting systemHITACHI CONSTRUCTION MACHINERY·Filed 1986·Granted Aug 30, 1988·24 cites·8 claims
- 1959US6885526B2Thin film magnetic head comprising SiON filmALPS ELECTRIC CO LTD·Filed 2001·Granted Apr 26, 2005·3 cites·8 claims
- 2059US2011274841A1Coil spring coating portion forming method and apparatusSHOWA CORP·Filed 2011·Application pending·0 cites
- 2158US8072712B2Tunneling magnetic sensing element having two-layered hard bias layerISHIZONE MASAHLKO·Filed 2008·Granted Dec 6, 2011·2 cites·10 claims
- 2258US6704172B2Thin film magnetic head using Al-Si-O insulating material and method of manufacturing the sameALPS ELECTRIC CO LTD·Filed 2001·Granted Mar 9, 2004·3 cites·5 claims
- 2357US6534746B1Narrow gap welding method and welding apparatusHITACHI CONSTRUCTION MACHINERY·Filed 2000·Granted Mar 18, 2003·7 cites·18 claims
- 2455US6307720B1Thin film magnetic headALPS ELECTRIC CO LTD·Filed 1999·Granted Oct 23, 2001·11 cites·18 claims
- 2552US6083325AMethod for making Fe-based soft magnetic alloyALPS ELECTRIC CO LTD·Filed 1997·Granted Jul 4, 2000·13 cites·2 claims
- 2649US6394212B1Rotary type construction machine and cab, equipment housing cover and counterweight for such construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1998·Granted May 28, 2002·19 cites·21 claims
- 2749US5725685ASoft magnetic alloy thin film with nitrogen-based amorphous phaseALPS ELECTRIC CO LTD·Filed 1996·Granted Mar 10, 1998·8 cites·3 claims
- 2849US2007115595A1Cpp-type thin-film magnetic head and manufacturing method thereofALPS ELECTRIC CO LTD·Filed 2006·Application pending·0 cites
- 2945US5211059AAcoustic microscope systemHITACHI CONSTRUCTION MACHINERY·Filed 1991·Granted May 18, 1993·20 cites·24 claims
- 3045US4862383AUltrasonic inspection apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1986·Granted Aug 29, 1989·12 cites·9 claims
- 3144US2006279882A1Magnetic detecting element having rie-resistant film and method of manufacturing the sameHONDA KENJI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →