Pioneer's GPS products don't make huge waves in the Stateside navigation market, but it's actually got some fairly broad patents on route guidance and mapping, and apparently Garmin's infringing them. That's at least the story Pioneer's telling to the US International Trade Commission, where it's filed a complaint against Garmin and asked for a ban on sales of GPS products that infringe the patents. Obviously that would shake things up in a big way, but we clearly don't have the whole story here -- Pioneer and Garmin have apparently been negotiating for some time, and the two companies are currently fighting it out in the German court system as w
