Jochen Schaefer has been granted 15 US patents while listed as an inventor at Siemens Aktiengesellschaft. The first was granted in 1993 and the most recent in May 2020. Jochen Schaefer ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Jochen Schaefer in Schnaittach, DE.