From Jan 2003:
Philips Sound Solutions has recently signed on to develop a new generation of off-the-shelf exciters for automotive applications. They join Visteon, Intier, Alpine, Harman International, Fujitsu Ten, Takehiro, and Owens Corning as licensees of the technology. Owens Corning is developing an optimized trim material that will allow the exciter to be mounted directly to a trim panel, with no need for a separate grille or acoustic radiator surface. Cars with this technology aren't expected before the 2008-2010 time period, while those using a grille or other thin panel separate from the trim unit will hit the market in the 2005 model year.
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...so we're a bit ahead of schedule then aren't we !!!?