Yeongeol Ryu has been granted 12 US patents while listed as an inventor at Hanwha Techwin Co.. The first was granted in 2016 and the most recent in May 2022. Yeongeol Ryu ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Yeongeol Ryu in Changwon-si, KR.