Inventor
RUIGROK JACOBUS J M
NL29 patents
⚠️ This page may combine multiple inventors who share the name “RUIGROK JACOBUS J M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
27 patentsUS4927804AMay 22, 1990
Thin-film transformer and magnetic head provided with such a transformer
PHILIPS CORP36 citations92
US5600297AFeb 4, 1997
Magnetic field sensor
PHILIPS CORP25 citations91
US4686472AAug 11, 1987
Magnetic sensor having closely spaced and electrically parallel magnetoresistive layers of different widths
PHILIPS CORP45 citations91
US5270895ADec 14, 1993
Combined read/write thin-film magnetic head with composite shared flux guide
PHILIPS CORP33 citations90
US5097243AMar 17, 1992
Thin-film transformer utilizing superconductive components
PHILIPS CORP20 citations82
US6266217B1Jul 24, 2001
Magnetic head having an anti-ferromagnetic oxide layer between a flux guide and a magneto-resistive sensor
PHILIPS CORP13 citations74
US5258883ANov 2, 1993
Thin-film magnetic head
PHILIPS CORP13 citations74
US4669015AMay 26, 1987
Multiple gap magnetic reading head
PHILIPS CORP19 citations74
US5153798AOct 6, 1992
Magnetic head including a core having a non-magnetic gap
PHILIPS CORP14 citations73
US4907115AMar 6, 1990
Super conducting thin-film magnetic head including a magnetoresistive element
PHILIPS CORP9 citations73
US6238731B1May 29, 2001
Method of manufacturing a magnetic head
PHILIPS CORP7 citations72
US6233126B1May 15, 2001
Thin film magnetic head having low magnetic permeability layer, and method of manufacturing the magnetic head
PHILIPS CORP7 citations72
US5726964AMar 10, 1998
Scanning head including a magneto-optical element and scanning device including the scanning head
PHILIPS CORP14 citations72
US4996621AFeb 26, 1991
Superconducting device for reading information from a magnetic recording medium
PHILIPS CORP14 citations72
US4764832AAug 16, 1988
Magnetic transducing head having clad core faces
PHILIPS CORP9 citations71
US5513057AApr 30, 1996
Magnetic head with wear resistant layer having alignment mark, and magnetic head unit incorporating same
PHILIPS CORP13 citations70
US5210668AMay 11, 1993
Magnetic head having soft-magnetic material cladded core limb faces
PHILIPS CORP9 citations69
US4670807AJun 2, 1987
Magnetic write head with smooth frequency response
PHILIPS CORP17 citations68
US6278588B1Aug 21, 2001
Magnetoresistive magnetic field sensor
PHILIPS CORP2 citations63
US5973889AOct 26, 1999
Single-channel magnetic head with magnetoresistive element in series with electrically conducting magnetic elements
PHILIPS CORP3 citations63
US5914838AJun 22, 1999
Magnetic head with magnetoresistive sensor, and scanning device provided with the magnetic head
PHILIPS CORP2 citations63
US5105323AApr 14, 1992
Anistropic magnetic layer for reducing the signal to noise ratio between a magnetic head and a moveable information carrier
PHILIPS CORP5 citations63
US4937227AJun 26, 1990
Thin-film magnetic head including an inductive transducing element
PHILIPS CORP6 citations62
US6205007B1Mar 20, 2001
Thin-film magnetic head and method of manufacturing the magnetic head
PHILIPS CORP1 citations51
US6110539AAug 29, 2000
Methods for creating a magnetically permeable film
PHILIPS CORP1 citations51
US5933298AAug 3, 1999
System comprising a magnetic head, measuring device and a current device
PHILIPS CORP1 citations51
US5984745ANov 16, 1999
Method of manufacturing a magnetic device
PHILIPS CORP1 citations42