Best Paper Award (for the paper titled “A study on design and operation of robot system for hotel service”), The 85th Conference of the Tourism Sciences Society of Korea, Suwon, Korea, January 2019
Best Paper Award (for the paper titled “The Optimal Economic Design of the Wireless Powered Transportation System”), Int. Conf. on IML2013 & ISMI2013, Shanghai, China, March 2013
Young Scientist Prize (for the excellent paper titled “The Optimal Operation Policy in a Closed-loop Remanufacturing System”), Int. Conf. on IML2009 & Symposium on GT/CM2009, Kitakyushu, Japan, February 2009