Heiko Schaefer has been granted 6 US patents while listed as an inventor at Hella Kgaa Hueck &. The first was granted in 2003 and the most recent in February 2025. Heiko Schaefer ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Heiko Schaefer in Niederbiel, DE.