Roseanne Duca has been granted 8 US patents while listed as an inventor at Stmicroelectronics (Malta). The first was granted in 2016 and the most recent in December 2025. Roseanne Duca ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Roseanne Duca in Żejtun, MT.