Most of my work in the last 8 years or so involves 'glue' or 'connections'. That is take two (or more) boxes and hook them together into a pipeline. Not sure if that qualifies one way or the other. The work certainly didn't exist before but I'm not entirely sure I'd call it 'invention'. I suppose in the interview suggested, I'd probably answer yes and then go on to describe as much as my NDAs allow...