Jae Choon Ryu has been granted 9 US patents while listed as an inventor at LG. The first was granted in 2005 and the most recent in August 2012. Jae Choon Ryu ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Jae Choon Ryu in Andong-si, KR.