1. OITA UNIVERSITY, Graduate Student, Doctor’s Course of Environmental Engineering(700, Dannoharu, Oita-shi, Oita 870-1192, Japan)
2. OITA UNIVERSITY, Department of Architectural Engineering, Faculty of Engineering(700, Dannoharu, Oita-shi, Oita 870-1192, Japan)
3. ZEROTECHNO Co. , Ltd, President(5-5-16, Oita 870-0027, Japan)