Jacobus J. M. Ruigrok

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic field sensor system with a magnetic wheel rotatable around...
- Patent number 9,347,799
- Issue date May 24, 2016
- NXP B.V.
- Alexe Levan Nazarian
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensor system with a biasing magnet producing a spat...
- Patent number 9,103,657
- Issue date Aug 11, 2015
- NXP B.V.
- Jacobus Josephus Maria Ruigrok
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensor
- Patent number 8,884,610
- Issue date Nov 11, 2014
- NXP B.V.
- Robert Hendrikus Margaretha Van Veldhoven
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally assisted magnetic recording medium having non-recording a...
- Patent number 6,804,175
- Issue date Oct 12, 2004
- Koninklijke Philips Electronics N.V.
- Jacobus Josephus Maria Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-channel magnetic head with magnetoresistive elements
- Patent number 6,747,854
- Issue date Jun 8, 2004
- Koninklijke Philips Electronics N.V.
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory having plural magnetic layers and a shielding layer
- Patent number 6,661,071
- Issue date Dec 9, 2003
- Koninklijke Philips Electronics N.V.
- Kars-Michiel Hubert Lenssen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic field sensor comprising a spin-tunnel junction
- Patent number 6,486,662
- Issue date Nov 26, 2002
- Koninklijke Philips Electronics N.V.
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive magnetic field sensor
- Patent number 6,278,588
- Issue date Aug 21, 2001
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head having an anti-ferromagnetic oxide layer between a fl...
- Patent number 6,266,217
- Issue date Jul 24, 2001
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 6,238,731
- Issue date May 29, 2001
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having low magnetic permeability layer, and...
- Patent number 6,233,126
- Issue date May 15, 2001
- U.S. Philips Corporation
- Pieter J. Van der Zaag
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head and method of manufacturing the magnetic head
- Patent number 6,205,007
- Issue date Mar 20, 2001
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for creating a magnetically permeable film
- Patent number 6,110,539
- Issue date Aug 29, 2000
- U.S. Philips Corporation
- Pascal J.H. Bloemen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing a magnetic device
- Patent number 5,984,745
- Issue date Nov 16, 1999
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single-channel magnetic head with magnetoresistive element in serie...
- Patent number 5,973,889
- Issue date Oct 26, 1999
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- B82 - NANO-TECHNOLOGY
Information Patent Grant
System comprising a magnetic head, measuring device and a current d...
- Patent number 5,933,298
- Issue date Aug 3, 1999
- U.S. Philips Corporation
- Lambertus Postma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with magnetoresistive sensor, and scanning device pro...
- Patent number 5,914,838
- Issue date Jun 22, 1999
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Scanning head including a magneto-optical element and scanning devi...
- Patent number 5,726,964
- Issue date Mar 10, 1998
- U.S. Philips Corporation
- Hans W. Van Kesteren
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic field sensor
- Patent number 5,600,297
- Issue date Feb 4, 1997
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing a thin-film magnetic head
- Patent number 5,531,016
- Issue date Jul 2, 1996
- U.S. Philips Corporation
- Lambertus Postma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with wear resistant layer having alignment mark, and...
- Patent number 5,513,057
- Issue date Apr 30, 1996
- U.S. Philips Corporation
- Victor Zieren
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin-film magnetic head
- Patent number 5,483,735
- Issue date Jan 16, 1996
- U.S. Philips Corporation
- Lambertus Postma
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 5,301,418
- Issue date Apr 12, 1994
- U.S. Philips Corporation
- Franciscus W. A. Dirne
- G11 - INFORMATION STORAGE
Information Patent Grant
Combined read/write thin-film magnetic head with composite shared f...
- Patent number 5,270,895
- Issue date Dec 14, 1993
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head
- Patent number 5,258,883
- Issue date Nov 2, 1993
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Combined read/write thin film magnetic head with two pairs of flux...
- Patent number 5,241,439
- Issue date Aug 31, 1993
- U.S. Philips Corporation
- P. Michalek
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having soft-magnetic material cladded core limb faces
- Patent number 5,210,668
- Issue date May 11, 1993
- U.S. Philips Corporation
- Cornelis W. M. P. Sillen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head including a core having a non-magnetic gap
- Patent number 5,153,798
- Issue date Oct 6, 1992
- U.S. Philips Corp.
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Anistropic magnetic layer for reducing the signal to noise ratio be...
- Patent number 5,105,323
- Issue date Apr 14, 1992
- U.S. Philips Corporation
- Jacobus J. M. Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film transformer utilizing superconductive components
- Patent number 5,097,243
- Issue date Mar 17, 1992
- U.S. Philips Corp.
- Victor Zieren
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC FIELD SENSOR SYSTEM WITH A MAGNETIC WHEEL ROTATABLE AROUND...
- Publication number 20140232379
- Publication date Aug 21, 2014
- NXP B.V.
- Alexé Levan NAZARIAN
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC FIELD SENSOR
- Publication number 20140021941
- Publication date Jan 23, 2014
- NXP B.V.
- Robert Hendrikus Margaretha VAN VELDHOVEN
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magneto-optical storage medium
- Publication number 20070291625
- Publication date Dec 20, 2007
- Koninklijke Philips Electronics, N.V.
- Robert Frans Maria Hendriks
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a device with a magnetic layer-structure
- Publication number 20060127701
- Publication date Jun 15, 2006
- KONINKLIJKE PHILLIPS ELECTRONICS N.C.
- Jacobus Josephus Maria Ruigrok
- G01 - MEASURING TESTING
Information Patent Application
Cartridge for protecting a data carrier
- Publication number 20060075409
- Publication date Apr 6, 2006
- Koninklijke Philips Electronics, N.V.
- Frank Cornelis Penning
- G11 - INFORMATION STORAGE
Information Patent Application
Method and device for high-speed magnetic recording
- Publication number 20050047283
- Publication date Mar 3, 2005
- Jacobus Josephus Maria Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Application
Storage medium for thermally-assisted magnetic recording
- Publication number 20030128635
- Publication date Jul 10, 2003
- Jacobus Josephus Maria Ruigrok
- G11 - INFORMATION STORAGE
Information Patent Application
Method of orienting an axis of magnetization of a first magnetic el...
- Publication number 20020180433
- Publication date Dec 5, 2002
- Koninklijke Philips Electronics N.V.
- Joannes Baptist Adrianus Dionisius Van Zon
- G01 - MEASURING TESTING
Information Patent Application
Magnetic memory
- Publication number 20020008988
- Publication date Jan 24, 2002
- Koninklijke Philips Electronics N.V.
- Kars-Michiel Hubert Lenssen
- G11 - INFORMATION STORAGE

Jacobus J. M. Ruigrok

Person

Patents Grantslast 30 patents

Magnetic field sensor system with a magnetic wheel rotatable around...

Magnetic field sensor system with a biasing magnet producing a spat...

Magnetic field sensor

Thermally assisted magnetic recording medium having non-recording a...

Multi-channel magnetic head with magnetoresistive elements

Memory having plural magnetic layers and a shielding layer

Magnetic field sensor comprising a spin-tunnel junction

Magnetoresistive magnetic field sensor

Magnetic head having an anti-ferromagnetic oxide layer between a fl...

Method of manufacturing a magnetic head

Thin film magnetic head having low magnetic permeability layer, and...

Thin-film magnetic head and method of manufacturing the magnetic head

Methods for creating a magnetically permeable film

Method of manufacturing a magnetic device

Single-channel magnetic head with magnetoresistive element in serie...

System comprising a magnetic head, measuring device and a current d...

Magnetic head with magnetoresistive sensor, and scanning device pro...

Scanning head including a magneto-optical element and scanning devi...

Magnetic field sensor

Method of manufacturing a thin-film magnetic head

Magnetic head with wear resistant layer having alignment mark, and...

Method of manufacturing a thin-film magnetic head

Method of manufacturing a magnetic head

Combined read/write thin-film magnetic head with composite shared f...

Thin-film magnetic head

Combined read/write thin film magnetic head with two pairs of flux...

Magnetic head having soft-magnetic material cladded core limb faces

Magnetic head including a core having a non-magnetic gap

Anistropic magnetic layer for reducing the signal to noise ratio be...

Thin-film transformer utilizing superconductive components

Patents Applicationslast 30 patents

MAGNETIC FIELD SENSOR SYSTEM WITH A MAGNETIC WHEEL ROTATABLE AROUND...

MAGNETIC FIELD SENSOR

Magneto-optical storage medium

Method of manufacturing a device with a magnetic layer-structure

Cartridge for protecting a data carrier

Method and device for high-speed magnetic recording

Storage medium for thermally-assisted magnetic recording

Method of orienting an axis of magnetization of a first magnetic el...

Magnetic memory