Il Soon Hwang, Joo Eun Lee, Yong Hoon Shin, Sungyeol Choi, “Design on Inverted Nuclear Geometry of Lead-bismuth cooled Fast Reactor by Reversing the Position of Coolant and Fuel and using Block Type Fuel,” pending.

Il Soon Hwang, Sungjune Sohn, Jaeyeong Park, Byunggi Park, Byungchan Han, Sungyeol Choi, “Methods and Devices using Liquid Metal including Bi or Pb or Bi-Pb Alloy for Separating Actinides and Rare Earth Elements in High-level Radioactive Molten Salts from Pyroprocessing,” 1016937750000, 2017.

Sungyeol Choi, Won Il Ko, “Apparatus for Providing Nuclear Fuel Cycle for Nuclear Power Plant and Method Thereof,” 1016140200000, 2016.

Kwang-Rag Kim, Jae-Hoo Jung, Seungwoo Paek, Joon-Bo Shim, Tack-Jin Kim, Kweon-ho Kang, Jaeyeong Park, Sungyeol Choi, Il Soon Hwag, “Electrolytic Recovery Device,” 1014288600000, 2014.

Il Soon Hwang, Kun Jai Lee, Byung-Gi Park, Ji Hyun Kim, Kyung Woo Yi, Hyo On Nam, Sungyeol Choi, Judong Bae, Hyo Sook Jung, “Method for Decontaminating High Level Wastes Arising from High Energy Radiation Facilities to Low-and-intermediate Level Radioactive Wastes,” 1011224770000, 2012.

Il Soon Hwang, Chang Hyo Kim, Myung Hyun Kim, Bong Yoo, Han-Gyu Joo, Jun Lim, Dong Yoon Han, Sungyeol Choi, Jae Hyun Cho, “Proliferation-resistant Accident-tolerant Secure Capsular Autonomous Reactor, PASCAR,” 1010167100000, 2011.