1. NIHON UNIVERSITY, Graduate School of Department of Engineering College of Industrial Technology(1-2-1, Izumi-cho, Narashino-shi, Chiba 275-8575, Japan)
2. NIHON UNIVERSITY, Professor emeritusy(1-2-1, Izumi-cho, Narashino-shi, Chiba 275-8575, Japan)
3. NIHON UNIVERSITY, Department of Civil Engineering, College of Industrial Technology(1-2-1, Izumi-cho, Narashino-shi, Chiba 275-8575, Japan)
4. NIHON UNIVERSITY, Department of Architecture and Architectural Engineering, College of Industrial Technology(1-2-1, Izumi-cho, Narashino-shi, Chiba 275-8575, Japan)