Inventor
ALLENSPACH ROLF
CH25 patents
⚠️ This page may combine multiple inventors who share the name “ALLENSPACH ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
22 patentsUS7602000B2Oct 13, 2009
Spin-current switched magnetic memory element suitable for circuit integration and method of fabricating the memory element
IBM58 citations98
US6680808B2Jan 20, 2004
Magnetic millipede for ultra high density magnetic storage
IBM32 citations92
US7242604B2Jul 10, 2007
Switchable element
IBM27 citations90
US5867025AFeb 2, 1999
Magnetoresistive spin valve sensor with stepped layers
IBM19 citations89
US5793743AAug 11, 1998
Reading a magnetic storage medium with a probe that detects tunneling current induced in a magnetic layer by a non-ionizing light beam
IBM31 citations87
US9853205B1Dec 26, 2017
Spin transfer torque magnetic tunnel junction with off-centered current flow
IBM6 citations83
US7943399B2May 17, 2011
Spin-current switched magnetic memory element suitable for circuit integration and method of fabricating the memory element
IBM4 citations74
US6700720B1Mar 2, 2004
Ultrafast magnetization reversal
IBM13 citations74
US6414808B1Jul 2, 2002
Patterning of magnetic media
IBM11 citations73
US6631057B1Oct 7, 2003
Magnetic device with ferromagnetic layer contacting specified yttrium or rare earth element oxide antiferromagnetic layer
IBM11 citations70
US6104189AAug 15, 2000
Magnetoresistive sensor having at least one layer with a pinned magnetization direction
IBM12 citations70
US6621732B2Sep 16, 2003
Magnetic element, memory device and write head
IBM7 citations67
US8860105B2Oct 14, 2014
Spin-current switched magnetic memory element suitable for circuit integration and method of fabricating the memory element
IBM2 citations63
US7923263B2Apr 12, 2011
Non-volatile resistance switching memory
IBM1 citations61
US7897411B2Mar 1, 2011
Non-volatile resistance switching memory
IBM1 citations61
US6960782B2Nov 1, 2005
Electronic devices with fullerene layers
IBM4 citations61
US7336515B2Feb 26, 2008
Method of manipulating a quantum system comprising a magnetic moment
IBM6 citations59
US12484458B2Nov 25, 2025
Scalable magnetically controlled qubit
IBM0 citations55
US10109786B2Oct 23, 2018
Spin transfer torque magnetic tunnel junction with off-centered current flow
IBM1 citations51
US5200936AApr 6, 1993
Magneto-optic method and apparatus for recording and retrieving high-density digital data
IBM1 citations51
US7897957B2Mar 1, 2011
Non-volatile resistance switching memory
IBM0 citations50
US9564197B2Feb 7, 2017
Ferromagnetic device providing high domain wall velocities
IBM0 citations47