Inventor · disambiguated record
Kazuhiko Hayashi
Also filed as: HAYASHI KAZUHIKO
159 granted patents·13 pending applications·2,849 citations·filing 1981–2021
99Inventor score
Top patents by PatentIndex Score
172 records- 0195US4969709AMechanism for bending elongated bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Nov 13, 1990·125 cites·9 claims
- 0295US4904048AMechanism for bending elongated bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Feb 27, 1990·132 cites·25 claims
- 0394US4640871AMagnetic material having high permeability in the high frequency rangeSONY CORP·Filed 1985·Granted Feb 3, 1987·68 cites·3 claims
- 0493US8548690B2Blade control system and construction machineHAYASHI KAZUHIKO·Filed 2011·Granted Oct 1, 2013·20 cites·8 claims
- 0593US6624987B1Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic materialNEC CORP·Filed 2000·Granted Sep 23, 2003·41 cites·3 claims
- 0693US6542342B1Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layerNEC CORP·Filed 1999·Granted Apr 1, 2003·69 cites·1 claims
- 0793US6538861B1Magnetoresistive head having ferromagnetic tunnel junction film with a smaller resistance at a terminal portion than a central portion, magnetic resistance detection system with the magnetoresistive head and a magnetic storage system using itNEC CORP·Filed 2000·Granted Mar 25, 2003·44 cites·33 claims
- 0892US7246670B2Work vehicle with hydrostatic steering systemKOMATSU MFG CO LTD·Filed 2005·Granted Jul 24, 2007·23 cites·2 claims
- 0992US6714374B1Magnetoresistive sensor, magnetoresistive head, and magnetic recording/reproducing apparatusNEC CORP·Filed 2000·Granted Mar 30, 2004·36 cites·90 claims
- 1091US8731784B2Blade control system and construction machineHAYASHI KAZUHIKO·Filed 2011·Granted May 20, 2014·14 cites·8 claims
- 1191US6555504B1Oxide superconducting wire having insulating coat and production method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 29, 2003·43 cites·23 claims
- 1290US6090480AMagnetoresistive deviceNEC CORP·Filed 1998·Granted Jul 18, 2000·61 cites·14 claims
- 1390US5904159APolishing slurries and a process for the production thereofTOKUYAMA CORP·Filed 1996·Granted May 18, 1999·94 cites·12 claims
- 1490US4463822ACruise control system for automotive vehicleFUJITSU TEN LTD·Filed 1982·Granted Aug 7, 1984·42 cites·5 claims
- 1589US7262064B2Magnetoresistive effect element, magnetic memory element magnetic memory device and manufacturing methods thereofSONY CORP·Filed 2002·Granted Aug 28, 2007·49 cites·39 claims
- 1689US6950290B2Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layerNEC CORP·Filed 2002·Granted Sep 27, 2005·21 cites·18 claims
- 1788US6999287B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2004·Granted Feb 14, 2006·21 cites·11 claims
- 1888US6456468B1Magnetoresistance effect element, and magnetoresistance effect sensor and magnetic information recording and playback system using sameNEC CORP·Filed 2000·Granted Sep 24, 2002·25 cites·2 claims
- 1988US6369993B1Magnetoresistance effect sensor and magnetoresistance detection system and magnetic storage system using this sensorNEC CORP·Filed 2000·Granted Apr 9, 2002·22 cites·6 claims
- 2088US6114850AMagnetoresistance effect element, and magnetoresistance effect sensor and magnetic information recording and playback system using sameNEC CORP·Filed 1998·Granted Sep 5, 2000·42 cites·11 claims
- 2187US8655556B2Blade control system and construction machineHAYASHI KAZUHIKO·Filed 2011·Granted Feb 18, 2014·11 cites·7 claims
- 2286US6507466B1Magnetoresistive effect head with diode in parallelNEC CORP·Filed 2000·Granted Jan 14, 2003·21 cites·10 claims
- 2386US6490139B1Magneto-resistive element and magnetic head for data writing/readingNEC CORP·Filed 2000·Granted Dec 3, 2002·33 cites·11 claims
- 2486US5766743AMagnetoresistance effect film, a method of manufacturing the same, and magnetoresistance effect deviceNEC CORP·Filed 1996·Granted Jun 16, 1998·57 cites·12 claims
- 2585US6368361B1Manufacturing process of antibacterial fiberITO EN LTD·Filed 2000·Granted Apr 9, 2002·34 cites·19 claims
- 2685US5912512AEngine start control apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Jun 15, 1999·73 cites·10 claims
- 2784US9026319B2Blade control device, working machine and blade control methodKOMATSU MFG CO LTD·Filed 2012·Granted May 5, 2015·9 cites·7 claims
- 2884US7161774B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2006·Granted Jan 9, 2007·7 cites·5 claims
- 2984US6824083B2Fluid jetting device, fluid jetting head, and fluid jetting apparatusFUJI XEROX CO LTD·Filed 2002·Granted Nov 30, 2004·25 cites·19 claims
- 3084US6338744B1Polishing slurry and polishing methodTOKUYAMA CORP·Filed 2000·Granted Jan 15, 2002·29 cites·9 claims
- 3184US5932343AMagnetic resistance effect element and method for manufacture thereofNEC CORP·Filed 1997·Granted Aug 3, 1999·39 cites·32 claims
- 3283US8548691B2Blade control system, construction machine and blade control methodHAYASHI KAZUHIKO·Filed 2011·Granted Oct 1, 2013·9 cites·5 claims
- 3383US6674615B2Magneto-resistance effect head and magnetic storage device employing the headNEC CORP·Filed 2000·Granted Jan 6, 2004·17 cites·8 claims
- 3483US4945481ASystem for integrally controlling automatic transmission and engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Jul 31, 1990·38 cites·9 claims
- 3582US7372673B2Magnetoresistive effect transducer having longitudinal bias layer and control layer directly connected to free layerNEC CORP·Filed 2005·Granted May 13, 2008·7 cites·5 claims
- 3682US7369375B2Magneto-resistance effect element and magneto-resistance effect headNEC CORP·Filed 2006·Granted May 6, 2008·6 cites·15 claims
- 3782US6903908B2Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layerNEC CORP·Filed 2001·Granted Jun 7, 2005·16 cites·7 claims
- 3882US6791794B2Magnetic head having an antistripping layer for preventing a magnetic layer from strippingNEC CORP·Filed 2002·Granted Sep 14, 2004·14 cites·23 claims
- 3982US6628086B2Light emitting body, light emitting element and light emitting display device using sameNEC CORP·Filed 2002·Granted Sep 30, 2003·33 cites·26 claims
- 4081US6798626B2Magnetoresistive effect element having a ferromagnetic tunnel junction film with an oxide or nitride of a metallic materialNEC CORP·Filed 2003·Granted Sep 28, 2004·13 cites·3 claims
- 4181US6747853B2Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage systemNEC CORP·Filed 2003·Granted Jun 8, 2004·13 cites·5 claims
- 4281US6724585B2Magnetoresistive element and device utilizing magnetoresistance effectNEC CORP·Filed 1999·Granted Apr 20, 2004·48 cites·2 claims
- 4381US6452762B1Magneto-resistive element and production method thereof, magneto-resistive head, and magnetic recording/reproducing apparatusNEC CORP·Filed 2000·Granted Sep 17, 2002·15 cites·8 claims
- 4481US5991126APerpendicular magnetic recording and perpendicular magnetic reproducing apparatusSONY CORP·Filed 1992·Granted Nov 23, 1999·30 cites·19 claims
- 4581US5849422ASpin valve filmNEC CORP·Filed 1997·Granted Dec 15, 1998·48 cites·21 claims
- 4680US10485069B2Illuminating apparatusPANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 19, 2019·2 cites·8 claims
- 4780US6718621B1Magnetoresistive head production methodNEC CORP·Filed 2000·Granted Apr 13, 2004·15 cites·12 claims
- 4880US6665153B1Magnetoresistance element, head, sensing system, and magnetic storing systemTDK CORP·Filed 2000·Granted Dec 16, 2003·14 cites·9 claims
- 4980US5057380ASoft magnetic thin films of alloys of feconi or fecody and laminates comprising alternate layers of face centered cubic and body centered cubic crystal structureSONY CORP·Filed 1988·Granted Oct 15, 1991·35 cites·5 claims
- 5080US4421192AApparatus for running a vehicle at a constant speedTOYOTA MOTOR CO LTD·Filed 1982·Granted Dec 20, 1983·30 cites·10 claims
Showing the top 50 of 172 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →