Hanswerner Dreissigacker has been granted 8 US patents while listed as an inventor at Sap Se. The first was granted in 2021 and the most recent in May 2023. Hanswerner Dreissigacker ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Hanswerner Dreissigacker in Ludwigshafen, DE.