손정영 최용진 YURI N. GRUTS 2024-01-12T10:34:39Z 2024-01-12T10:34:39Z 2003-07-15 https://pubs.kist.re.kr/handle/201004/84647 다층영상　표현시스템　및　그　방법 Patent 2003-07-15 2001-05-30 6,593,994 09/866,684 US 특허 한국과학기술연구원