[5] S.-C Yu, H. Joe, S.-M. Wi, H. Cho, J. Gu, M. Kim, H. Kwon, J. Lee, J. Pyo, Positioncontrolled wave power generating apparatus, US Patent No. 9,752,552.

[4] S.-C Yu, J. Pyo, H. Joe, H. Cho, B. Kim, Apparatus and method for recovering and launching unmanned aerial vehicle, U.S. Patent No.10,259,594.

[3] S.-C Yu, J. Lee, J. Pyo, H. Joe, J. Gu, H. Cho, Wave power generating apparatus, U.S. Patent No. 9,683,544.

[2] S.-C Yu, J. Gu, H. Joe, H. Cho, J. Pyo, Underwater docking system and docking method using the same, U.S. Patent No. 9,592,895.

[1] S.-C Yu, H. Cho, H. Joe, J. Gu, J. Pyo, Sonar-image-simulation method for image prediction of imaging sonar and apparatus using the sonar-image-simulation method, U.S. Patent Application No. 14/678,384.

[28] S.-C. Yu, J. Pyo, H. Joe, B. Kim, M. Sung, S. Song, J. Kim, and H. Cho, Underwater navigation method and system for underwater vehicle, KR Patent No. 10-2064257

[27] S.-C. Yu, J. Kim, H. Cho, J. Pyo, H. Joe, B. Kim, S. Song, and M. Sung, Washing and feeding apparatus for raising tank, KR Patent No. 10-1977096

[26] S.-C. Yu, J. Kim, H. Cho, J. Pyo, H. Joe, B. Kim, S. Song, and M. Sung, Washing apparatus for raising tank, KR Patent No. 10-1979833

[25] S.-C. Yu, H. Cho, J. Pyo, B. Kim, H. Joe, J. Kim, M. Sung, and S. Song, Object appearance detection method using multi-beam sonar camera, KR Patent No. 10-1952291

[24] S.-C. Yu, H. Cho, B. Kim, J. Pyo, H. Joe, J. Kim, S. Song, and M. Sung, 3D spatial data acquisition method using multi-beam sonar camera, KR Patent No. 10-1952290

[23] S. Song, J. Pyo, H. Joe, J. Kim, B. Kim, H. Roh, M. Sung, and S.-C. Yu, Opening and Closing Apparatus for Underwater Laser Using Pressure Difference, KR Patent No. 10-1854634

[22] S. Song, J. Pyo, H. Joe, J. Kim, B. Kim, H. Roh, M. Sung, and S.-C. Yu, Opening and closing apparatus of a laser beam for exploring underwater using buoyancy, KR Patent No. 10-1854635

[21] H. Joe, J. Pyo, J. Kim, H. Cho, H. Roh, S. Song, and S.-C. Yu, Abalone health monitoring apparatus for abalone-farming shelter and monitoring method for the same, KR Patent No. 10-1891712

[20] H. Roh, H. Joe, J. Kim, S. Song, M. Sung, and S.-C. Yu, Apparatus for sampling in the underwater, KR Patent No. 10-10-1835703

[19] H. Roh, H. Joe, J. Pyo, J. Kim, S. Song, and S.-C. Yu, Propulsion structure and apparatus for moving under water including the propulsion structure, KR Patent No. 10-1812898

[18] S.-C. Yu, B. Kim, H. Cho, J. Pyo, H. Joe, J. Kim, and M. Sung, Underwater image processing device for trajectory backtracking and method there of, KR Patent No. 10-1882319

[17] S.-C. Yu, J. Pyo, H. Joe, H. Cho, and J. Kim, Method and system for estimating location of a plurality of underwater robot connected by cable, KR Patent No. 10-1812027

[16] S.-C. Yu, J. Pyo, H. Cho, H. Joe, B. Kim, J. Kim, and H. Roh, Underwater Docking System Based On Underwater Agent, KR Patent No. 10-1760192

[15] S.-C. Yu, H. Cho, J. Pyo, and H. Joe, Method and apparatus for controlling position of underwater robot and underwater robot having the same, KR Patent No. 10-1773425

[14] S.-C. Yu, H. Cho, J. Pyo, and H. Joe, Underwater filming system capable of auto-positioning and collecting of camera, and method for the same, KR Patent No. 10-1773686

[13] S.-C. Yu, H. Cho, J. Pyo, and H. Joe, Underwater camera apparatus capable of autopositioning and collecting, KR Patent No. 10-1773685

[12] S.-C. Yu, H. Cho, J. Pyo, J. Gu, and H. Joe, Underwater camera apparatus, KR Patent No. 10-1758460

[11] S.-C. Yu, H. Cho, J. Pyo, J. Gu, and H. Joe, Method for controlling underwater camera apparatus,KR Patent No. 10-1681837

[10] S.-C. Yu, J. Pyo, H. Cho, J. Gu, and H. Joe, Method and apparatus for recognizing underwater landmark for compensating position, KR Patent No. 10-1726506

[9] S.-C. Yu, J. Lee, H. Joe, S.-M. Wi, J. Pyo, J. Gu, M. Kim, H. Kwon, and H. Cho, Position control type wave power generating apparatus, KR Patent No. 10-1505781

[8] S.-C. Yu, J. Gu, J. Pyo, H. Joe, and H. Cho, Method and device for recognizing underwater object using sonar image template, KR Patent No. 10-1590257

[7] S.-C. Yu, J. Pyo, H. Joe, J. Gu, and H. Cho, Method and device for mosaicking underwater image, KR Patent No. 10-1587352

[6] S.-C. Yu, D. Lee, J. Pyo, H. Joe, J. Gu, and H. Cho, Wave power generating apparatus, KR Patent No. 10-1542696

[5] S.-C. Yu, J. Pyo, H. Joe, J. Gu, and H. Cho, Door rock system for underwater moving apparatus, KR Patent No. 10-1570609

[4] S.-C. Yu, H. Cho, J. Pyo, H. Joe, and J. Gu, Underwater moving apparatus and control method thereof, ship, underwater moving robot and docking station having the same, KR Patent No. 10-1569281

[3] S.-C. Yu, H. Cho, J. Pyo, H. Joe, and J. Gu, Method for real-time underwater acoustic image enhancement and device using the same, KR Patent No. 10-1590254

[2] S.-C. Yu, H. Cho, J. Pyo, H. Joe, and J. Gu, Method for real-time acoustic image enhancement for rapidly moving imaging sonar and device using the same, KR Patent No. 10-1590252

[1] S.-C. Yu, J. Gu, J. Pyo, H. Joe, and H. Cho, Method and device for simulation of sonar images of multi-beam imaging sonar, KR Patent No. 10-1590253