International Joint Seminar and Company Visit Testimony Testimony Batch-1, The 1st International Joint Seminar & Company Visit to Sony Corporation, 05-09 January 2015, Tokyo, Japan Testimony Batch-2, The 2nd International Joint Seminar & Company Visit to Toshiba Corporation, 21-25 September 2015, Tokyo, Japan Testimony Batch-3, The 3rd International Joint Seminar & Company Visit to Ricoh Company Ltd, 02-06 February 2016 Testimony Student who Visited to Tokyo University & Hospital Visit to Saint Luke Hospital Testimony Batch-4, The 4th International Joint Seminar & Company Visit to Ricoh Company Ltd, 04-08 October 2016 Testimony Batch-5, The 5th International Joint Seminar & Company Visit to FP Corporation, 30 January-03 February 2017 Testimony Batch-6, The International Joint Seminar & Visit to Clean Authority of Tokyo, 15-19 May 2017 Testimony Batch-7, The 6th International Joint Seminar & Visit To Japan Corporation, 24-28 July 2017, Tokyo, Japan Testimony The Summer School Curious University of Twente 2017, Netherland; Smart Cities: From Concept to Practice, Ensched, The Netherlands 13-22 August 2017) Testimony The 8th International Joint Seminar and Visit To Clean Authority of Tokyo (Chubo Disposal Facilities and Shin-Koto Incineration Plant) Tokyo Metropolitan Government, 22 – 29 July 2018