Dong Soo HAM has been granted 6 US patents while listed as an inventor at Sk Bioscience Co.. The first was granted in 2018 and the most recent in October 2025. Dong Soo HAM ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Dong Soo HAM in Seongnam-si, KR.