Moo Woong Cheon has been granted 5 US patents while listed as an inventor at Yujin Robot Co.. The first was granted in 2021 and the most recent in July 2025. Moo Woong Cheon ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Moo Woong Cheon in Anyang-si, KR.