H.S. Won, K. Lee, J.S. Sun, D. Lee, G.D. Byun, J.H. Ahn, H.B. Kim, S.H. Choi, M.S. Kim, and C.I. Park, “Meta Structure” (Application, 10-2025-0209836, PCT/KR2026/000465 )
H.S. Won, K. Lee, J.S. Sun, D. Lee, G.D. Byun, J.H. Ahn, H.B. Kim, S.H. Choi, M.S. Kim, and C.I. Park, “Meta Structure” (Application, 10-2025-0154325, PCT/KR2025/020594)
Y.Y. Kim, S.H. Kim, H.J. Kim, C.W. Park, C. Piao, and C.I. Park, "A dissipative metamaterials for blocking multi-mode elastic waves," (Application, 10-2022-0114367)
Y.Y. Kim and C.I. Park, “Ultrasonic transmission apparatus and control method of waves,” filed in Korea (Patented, KR10-2020-0065393), PCT (Application, PX064134PCT), and the U.S. (Application, 17/637,754).
Y.Y. Kim, C.I. Park, and H. Lee, “Meta-atom,” (Patented, KR 10-2020-0139746).
S.K. Kim, K.H. Lim, M.J. Hwang, C.I. Park, S..J. Lee, J.B. Koo, and J.H. Kim, "Apparatus and method for measuring the density," (Patented, KR 10-1067659-0000).