Inventor
OHASHI KEISHI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “OHASHI KEISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
38 patentsUS6452204B1Sep 17, 2002
Tunneling magnetoresistance transducer and method for manufacturing the same
NEC CORP91 citations98
US6542342B1Apr 1, 2003
Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer
NEC CORP69 citations96
US5828533AOct 27, 1998
Thin film magnetic head with differing saturation magnetic flux density films and spacer between floating surface and coil patterns
NEC CORP62 citations95
US6999287B2Feb 14, 2006
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP21 citations93
US6934132B2Aug 23, 2005
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP12 citations93
US6747853B2Jun 8, 2004
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP13 citations93
US6507466B1Jan 14, 2003
Magnetoresistive effect head with diode in parallel
NEC CORP21 citations93
US6950290B2Sep 27, 2005
Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer
NEC CORP21 citations92
US6624987B1Sep 23, 2003
Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material
NEC CORP41 citations92
US6507464B1Jan 14, 2003
Co-Fe-Ni magnetic film having a high saturation magnetic flux density, composite thin film magnetic head using the film and magnetic memory device using the head
NEC CORP29 citations92
US6490139B1Dec 3, 2002
Magneto-resistive element and magnetic head for data writing/reading
NEC CORP33 citations92
US6120918ASep 19, 2000
Co-Fe-Ni thin magnetic film, process for producing the same, composite thin film magnetic head, and magnetic recording device
NEC CORP32 citations92
US6134091AOct 17, 2000
Spin-valve magneto-resistive head with horizontal type structure
NEC CORP20 citations91
US6714374B1Mar 30, 2004
Magnetoresistive sensor, magnetoresistive head, and magnetic recording/reproducing apparatus
NEC CORP36 citations90
US7800193B2Sep 21, 2010
Photodiode, method for manufacturing such photodiode, optical communication device and optical interconnection module
NEC CORP14 citations84
US7162109B2Jan 9, 2007
Optical modulator and method of manufacturing same
NEC CORP12 citations84
US6903908B2Jun 7, 2005
Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layer
NEC CORP16 citations84
US5856898AJan 5, 1999
Spiral coil pattern including same layer spiral patterns suitable for use in a thin film head
NEC CORP18 citations84
US6798626B2Sep 28, 2004
Magnetoresistive effect element having a ferromagnetic tunnel junction film with an oxide or nitride of a metallic material
NEC CORP13 citations83
US6718621B1Apr 13, 2004
Magnetoresistive head production method
NEC CORP15 citations83
US7369375B2May 6, 2008
Magneto-resistance effect element and magneto-resistance effect head
NEC CORP6 citations74
US7272270B2Sep 18, 2007
Optical modulator and method of manufacturing same
NEC CORP7 citations74
US7161774B2Jan 9, 2007
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP7 citations74
US11527054B2Dec 13, 2022
Article management system, information processing apparatus, and control method and control program of information processing apparatus
NEC CORP3 citations73
US10885374B2Jan 5, 2021
Article management system, information processing apparatus, and control method and control program of information processing apparatus
NEC CORP3 citations73
US10438084B2Oct 8, 2019
Article management system, information processing apparatus, and control method and control program of information processing apparatus
NEC CORP2 citations73
US9721130B2Aug 1, 2017
Article management system
NEC CORP3 citations73
US7372673B2May 13, 2008
Magnetoresistive effect transducer having longitudinal bias layer and control layer directly connected to free layer
NEC CORP7 citations73
US6493195B1Dec 10, 2002
Magnetoresistance element, with lower electrode anti-erosion/flaking layer
NEC CORP13 citations73
US8023832B2Sep 20, 2011
Light receiving circuit and digital system
NEC CORP2 citations63
US7298596B2Nov 20, 2007
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP2 citations63
US7265949B2Sep 4, 2007
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP2 citations63
US7173793B2Feb 6, 2007
Recording head, recording head manufacturing method, combined head and magnetic recording/reproduction apparatus
NEC CORP2 citations62
US6795271B2Sep 21, 2004
Recording head, recording head manufacturing method, combined head and magnetic recording/reproduction apparatus
NEC CORP2 citations62
US7277261B2Oct 2, 2007
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP2 citations61
US10049239B2Aug 14, 2018
Article management system
NEC CORP0 citations52
US9798908B2Oct 24, 2017
Object detection system, object detection method, and non-transitory computer-readable medium storing object detection program
NEC CORP0 citations52
US7158355B2Jan 2, 2007
Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
NEC CORP0 citations52