never heard of Olivetti computers
Apart from their PC exploits, they were a player in the mainframe market 60-70 years ago. Then they had a decade or so in minis before getting into the PC game ~40 years ago—at which time they also offered one of the first laptops. Then ~30 years ago they produced the first [as far as I know] netbook, ~15-20 years before they became a big thing for a while.
It's likely relatively unknown in USA as its product tended to be licensed by the likes of Xerox, DEC and AT&T. Its market is local these days as far as I know, after it suffered the fate of many Euro computer companies back then, squeezed by the emergence of US competition and the cheaper Asian manufacturers.
Next you'll tell us you didn't know France had a forerunner of the WWW a decade before the WWW hit the big-time—or that Russia had a forerunner of the Internet in the 50s