WF

Wiepke Folkerts

U.S. Philips: 5 patents #914 of 8,851Top 15%
Overall (All Time): #1,046,193 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6238731 Method of manufacturing a magnetic head Jacobus J. M. Ruigrok, Pieter Jan Van Der Zaag, Lambertus Postma, Ronald M. Wolf, Johannes F. M. Cillessen 2001-05-29
6205007 Thin-film magnetic head and method of manufacturing the magnetic head Jacobus J. M. Ruigrok, Pieter Jan Van Der Zaag, Lambertus Postma, Ronald M. Wolf, Johannes F. M. Cillessen 2001-03-20
5982591 Multichannel magnetic head with adjacent write gaps in different planes Hans Willem Van Kesteren 1999-11-09
5600297 Magnetic field sensor Jacobus J. M. Ruigrok, Martinus A. M. Gijs, Jacques Kools, Reinder Coehoorn 1997-02-04
5481808 Vehicle orientation sensor and method with magnetic stabilization Jacques Kools, Josef P. M. Naus, Martinus A. M. Gijs 1996-01-09