이민욱 2025-04-25T21:30:14Z 2025-04-25T21:30:14Z 2025-04-11 https://pubs.kist.re.kr/handle/201004/152358 K-SHIELD Patent 2025-04-11 2021-09-01 40-2344346 40-2021-0181100 KO 상표 한국과학기술연구원