24. Compton CT system simulator (Program Registration Number C-2022-057210), 2022
23. System and method for estimating the radiation activity of a radiation source located inside an object (Patent Number 10-2437705), 2022
22. Radioactive material detection system and method (Patent Number 10-2395803), 2022
21. Three-dimensional distribution measurement imaging device and image measurement method for the internal radiation of nuclear power plant concrete structures (Patent Number 10-2250686), 2021
20. Method for quantifying radioactivity using Compton camera (Patent Number 10-2066353), 2020
19. System and method for three-dimensional dose distribution verification (Patent Number 10-2056001), 2019
18. System and method of Compton computed tomography (Patent Number 10-1994539), 2019
17. Dose calculation method, dose calculation device, and computer readable storage medium (Patent Number EP 3 124 076 B1, EU), 2019
16. Dose calculation method, dose calculation device, and computer readable storage medium (Patent Number US 10,016,622 B2 , U.S.A), 2018
15. Estimation method of radioactivity (Patent Number 10-1874235, Korea), 2018
14. Apparatus and method for detecting gamma-ray (Patent Number 10-1799655, Korea), 2017
13. Defect verification system and method of spent nuclear fuel assembly using gamma- ray imaging device (Patent Number 10-1589258, Korea), 2016
12. Dose calculation method and apparatus (Patent Number 10-1638990, Korea), 2016
11. Gamma ray detecting apparatus and method for detecting gamma ray using the same (Patent Number US 8,993,975,B2, U.S.A), 2015
10. Method and apparatus for calculating radiation dose based on tetrahedron phantom (Patent Number 10-1459241, Korea), 2014
9. Gamma-ray detection apparatus and gamma-ray detection method using the same (Patent Number 10-1206005, Korea), 2012
8. Multi-layer collimated industrial process gamma tomography system (Patent Number 110-1128230-0000, Korea), 2012
7. Apparatus for charged particle beam computed tomography using toroidal coils and method of the same (Patent Number 10-1127680-0000, PCT/KR2010/001172, PCT), 2012
5. CIS (Compton Imaging Simulator) (Program Registration Number 2010-01-121-006589), 2010
4. A device for medical imaging (Patent Number 10-0958791, Korea), 2010
3. Prompt gamma scanning system and a discrimination level determination method for detecting prompt gammas using the same (Patent Number 10-0935801, Korea), 2009
2. Apparatus for improvement in the image resolution of a Compton camera and its principle (Patent Number 10-0859740, Korea), 2008
1. Prompt gamma scanning system and prompt gamma scanning method using the same (Patent Number 10-0783506, Korea), 2007