It turns out there is another Schoser holding a patent. Jürgen from Traunreut, Bavaria together with two other inventors filed a patent application for a 'position measurement device' in the US on 9 February 2006. The patent no. 7348546 was granted about two years later on 25 March 2008.
Jürgen holds a Ph.D. in physics from the University of Stuttgart in which he appears to follow in Einstein's footsteps: The title of his thesis is "Generation of a Bose-Einstein-condensate in a strongly anisotropic magnetic trap". It was published in 2004 and is still available online for free: http://elib.uni-stuttgart.de/opus/volltexte/2004/1600/.