Ericsson Telecom A.B.

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Records under this name other than patents Ericsson Telecom A.B. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 6 of 6 · Back to Ericsson Telecom A.B.

Patent	Title	Status	Expires	Confidence
US 5,335,098	Fixing method for narrow bandwidth volume holograms in photorefractive materials Term ended Term ended no later than Aug 2, 2014 · Low confidence	Term ended	Term ended no later than Aug 2, 2014	Low confidence
US 5,440,669	Photorefractive systems and methods Term ended Term ended no later than Aug 8, 2015 · Low confidence	Term ended	Term ended no later than Aug 8, 2015	Low confidence
US 5,491,570	Methods and devices for using photorefractive materials at infrared wavelengths Term ended Term ended no later than Feb 13, 2016 · Low confidence	Term ended	Term ended no later than Feb 13, 2016	Low confidence
US 5,684,611	Photorefractive systems and methods Term ended Term ended no later than Nov 4, 2017 · Low confidence	Term ended	Term ended no later than Nov 4, 2017	Low confidence
US 5,691,989	Wavelength stabilized laser sources using feedback from volume holograms Term ended Term ended no later than Nov 25, 2017 · Low confidence	Term ended	Term ended no later than Nov 25, 2017	Low confidence
US 5,796,096	Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials Term ended Term ended no later than Aug 18, 2018 · Low confidence	Term ended	Term ended no later than Aug 18, 2018	Low confidence