Alfio GUARNERA has been granted 17 US patents while listed as an inventor at Stmicroelectronics Sa. The first was granted in 2013 and the most recent in June 2025. Alfio GUARNERA ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Alfio GUARNERA in Trecastagni, IT.