GENEVA, May 5 -- EGTM CO., LTD. (219-9, Maeyeong-ro, Yeongtong-guSuwon-siGyeonggi-do 16523), 주식회사 이지티엠 (경기도수원시영통구 매영로 219-9), SK HYNIX INC. (2091, Gyeongchung-daero, Bubal-eupIcheon-siGyeonggi-do 17336), 에스케이하이닉스 주식회사 (경기도이천시부발읍 경충대로 2091) filed a patent application (PCT/KR2025/017012) for "METHOD OF FORMING THIN FILM USING CHEMICAL MASKING AGENT, SEMICONDUCTOR DEVICE MANUFACTURED THEREBY, AND METHOD OF MANUFACTURING SEMICONDUCTOR ...