Il-Gu Lee, So-Hyun Park, Sun-Woo Yun, Na-Eun Park, So-Yeon Kim, Eun-Young Lee, So-Hyun Bae, Ye-Sol Oh, Jung-Hyun Moon, "Network information security method and apparatus," Korea, Patent. No. 10-2421722, Jul. 12, 2022 (Filed at Sep. 28, 2020).
네트워크 정보 보호 방법 및 장치 (이일구, 박소현, 윤선우, 박나은, 김소연, 이은영, 배소현, 오예솔, 문정현), 대한민국, 등록 특허, 10-2421722, 2022.04.05 (출원일 2020.09.28)
Il-Gu Lee, So-Hyun Park, Sun-Woo Yum, Yu-Rim Lee, Sun-Jin Lee, TaeRim Park, Hye-Yeon Shim, "Drone system and operation method thereof," Korea, Patent, No. 10-2320573, Dec.27, 2021 (Filed at Dec.27, 2021)
드론 시스템 및 드론 시스템의 동작 방법 (이일구, 박소현, 윤선우, 이유림, 이선진, 박태림, 심혜연), 대한민국, 등록 특허, 10-2320573, 2021.10.27 (출원일 2021.12.27)
Il-Gu Lee, So-Hyun Park, Sun-Woo Yun, "Sensor data forgery prevention device, security visualization device and security system including the same," Korea, Patent. No. 10-2336848, Dec. 2021 (Filed at Aug. 09, 2019).
센서 데이터 위변조 방지 장치, 보안성 시각화 장치 및 이를 포함하는 보안 시스템 (이일구, 박소현, 윤선우), 대한민국, 등록 특허, 10-2336848, 2021.12.03 (출원일 2019.08.09)
Il-Gu Lee, So-Eun Jeon, So-Yeon Kim, So-Hyun Park, Seungha Jee, Ye-Rim Jeong, Chae-won Song, "Apparatus and method for testing communication device," Korea, Patent, No.10-2025-0127284, 2025.09.08.
Il-Gu Lee, Sohyun Park, Gee-Hee Yun, Kyoung-Jin Kim, "Digital identity system and method for operating digital identity system," USA Appl. 18/913,265, Oct. 11, 2024
Il-Gu Lee, So-Hyun Park, Hye-Yeon Shim, Na-Eun Park, Yeon-Ji Lee, Yu-Ran Jean, "Apparatus for watermarking encoding and decoding using error correction code and method for the same," Korea, Patent, No.10-2024-0102473, 2024.08.01.
Il-Gu Lee, Na-Eun Park, Yeon-Ji Lee, Yu-Ran Jean, So-Hyun Park, Hye-Yeon Shim, "Opinion survey apparatus and method," Korea, Patent, No. 10-202400064307, 2024.05.17.
Il-Gu Lee, So-Hyun Park, Gee-Hee Yun, Kyung-Jin Kim, "Digital identity system and method for operating digital identity system," Korea Appl. 10-2024-0032631, Mar. 7, 2024