Ruigrok; Jacobus J. M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ruigrok; Jacobus J. M..The latest application filed is for "multi-channel magnetic head with magnetoresistive elements".

Company Profile

0.16.0

Ruigrok; Jacobus J. M. - Eindhoven NL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Multi-channel magnetic head with magnetoresistive elements Grant 6,747,854 - Ruigrok , et al. June 8, 2	2004-06-08
Magnetic field sensor comprising a spin-tunnel junction Grant 6,486,662 - Ruigrok , et al. November 26, 2	2002-11-26
Method of manufacturing a magnetic head Grant 6,238,731 - Ruigrok , et al. May 29, 2	2001-05-29
Thin film magnetic head having low magnetic permeability layer, and method of manufacturing the magnetic head Grant 6,233,126 - Van der Zaag , et al. May 15, 2	2001-05-15
Scanning head including a magneto-optical element and scanning device including the scanning head Grant 5,726,964 - Van Kesteren , et al. March 10, 1	1998-03-10
Magnetic field sensor Grant 5,600,297 - Ruigrok , et al. February 4, 1	1997-02-04
Combined read/write thin-film magnetic head with composite shared flux guide Grant 5,270,895 - Ruigrok , et al. December 14, 1	1993-12-14
Combined read/write thin film magnetic head with two pairs of flux guides Grant 5,241,439 - Michalek , et al. August 31, 1	1993-08-31
Magnetic head having soft-magnetic material cladded core limb faces Grant 5,210,668 - Sillen , et al. May 11, 1	1993-05-11
Magnetic head including a core having a non-magnetic gap Grant 5,153,798 - Ruigrok , et al. October 6, 1	1992-10-06
Thin-film transformer utilizing superconductive components Grant 5,097,243 - Zieren , et al. March 17, 1	1992-03-17
Thin-film transformer and magnetic head provided with such a transformer Grant 4,927,804 - Zieren , et al. May 22, 1	1990-05-22
Super conducting thin-film magnetic head including a magnetoresistive element Grant 4,907,115 - Ruigrok , et al. March 6, 1	1990-03-06
Magnetic transducing head having clad core faces Grant 4,764,832 - Enz , et al. August 16, 1	1988-08-16
Magnetic sensor having closely spaced and electrically parallel magnetoresistive layers of different widths Grant 4,686,472 - Van Ooijen , et al. August 11, 1	1987-08-11
Magnetic write head with smooth frequency response Grant 4,670,807 - Gorter , et al. June 2, 1	1987-06-02

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