I haven't seen the above-wing mounted pylons before
VFW 614. First flown in 1971, less than 20 built. Operators Cimber Air, Air Alsace, Touraine Air Transport and West German Air Force.
Aerodynamics of the concept.
http://www.hondajet.com/Content/pdf/...Drag_OTWEM.pdf
Other papers.
Technical Papers - HondaJet