18. Jong Han Lee, Jong Jae Lee and Yun-Kyu An “Removal and Attachable Magnetic Nozzle to Control and Improve the Direction and Dispersion of Steel Fibers in Steel Fiber-reinforced Cement Composite Materials”, Korean Patent (10-2018-0150214, Pending)
17. Geon Young Ko, Sung Ik Hong and Yun-Kyu An, “Smart Door Lock”, Korean Patent (10-2018-0122674, Pending)
16. Yun-Kyu An and Keun Young Jang, “System and Method for Autonomous Crack Evaluation of Structure based on UAV-mounted Hybrid Image Scanning”, Korean Patent (10-2018-0069795, Pending).
15. Jong Jae Lee, Hyunjong Lee, Yun-Kyu An and Namgyu Kim, “Data Processing Method for Ground Penetrating Radar”, Korean Patent (10-2017-0138636, Pending).
14. Yun-Kyu An and Keun Young Jang, “Hybrid Image Scanning Method and Apparatus for Noncontact Crack Evaluation”, Korean Patent (10-2017-0139520, Pending).
13. Yun-Kyu An and Man Sung Kang, “Electrical Impedance Device and Method for Damage Monitoring in Self-sensing Concrete-based Structures”, Korean Patent (10-2017-0059749, Pending).
12. Yun-Kyu An and Soonkyu Hwang, “Continuous-wave Line Laser Thermography Apparatus and Method for Rotating Structure Monitoring”, Korean Patent (10-2017-0088582, Pending).
11. Yun-Kyu An and Man Sung Kang, “3D GPR Apparatus and Signal Processing Method for Sinkhole Evaluation of Roads”, Korean Patent (10-2017-0078026, Pending).
10. Yun-Kyu An “Real-time Data Acquisition Program for a Unit Radar Chip”, Korean Program Copyright (C-2016-008899).
9. Yun-Kyu An and Soonkyu Hwang, “Continuous Line Laser Beam Scanning Thermography Apparatus and Technique for Nondestructive Evaluation”, Korean Patent (10-1809504).
8. Hoon Sohn, Yun-Kyu An, Jin Yeol Yang, Sung Il Jo, Yeon Jo Moon and Sang Young Kim, “Laser Lock-in Thermography Device and Technique for Real-time Semiconductor Crack Diagnosis”, Korean Patent (10-2014-0008579, Pending)
7. Yun-Kyu An and Dong Jun Lee “Self-sensing Nonlinear Ultrasonic Method for Fatigue Crack Detection”, Korean Patent (10-1716877) (Ack: 2015R1C1A1A01052625).
6. Yun-Kyu An, “Guided Wave 3D Imaging Apparatus and Technique using MEMS Micro-phone Array”, Korean Patent (10-1693710).
5. Yeon Jo Moon, Hoon Sohn, Sang Young Kim, Yun-Kyu An, Sung Il Jo, Seoung-weon Ha, Jin Yeol Yang, and Soon-Kyu Hwang, “Surface Inspection Apparatus for Semiconductor Chips”, US Patent (9500599).
4. Hoon Sohn, Yun-Kyu An and Ji Min Kim, “Laser Lock-in Thermography Device for Nondestructive Evaluation”, Korean Patent (10-1320358).
3. Hoon Sohn and Yun-Kyu An, “Integrated Impedance and Guided Wave based Damage Detection Method and Integrated Impedance and Guided Wave Measurement Apparatus”, Korean Patent (10-1225703).
2. Hoon Sohn and Yun-Kyu An, “Damage Detection Method using Dual-Sensors”, Korean Patent (10-1129726).
1. Hoon Sohn and Yun-Kyu An, “Guided Wave-based Damage Detection Method using Collocated PZTs”, Korean Patent (10-1094906).