日本大学生産工学部　研究報告A（理工系）第51巻第1号

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─ 10 ─Biographical Sketches of the AuthorsJun Mada is an associate professor at College of Industrial Technology of Nihon University. He received his Bachelor’s and Master’s degrees of education from Shimane University in 1999 and 2001, his Doctor’s degrees of mathematical sciences from the University of Tokyo in 2004. His research interest is in integrable system and mathematical medicine, especially, periodic box-ball system and angiogenesis. He is a member of the Mathematical Society of Japan and the Physical Society of Japan.Yoshiaki Shiota is a student of Department of Industrial Engineering and Management, College of Industrial Technology, Nihon University. His main area of research is Data Science and Simulation engineering. He investigated on graduation research about increasing efciency of human behavior in an elevator.Jun Toyotani is a professor, Department of Industrial Engineering and Management, College of Industrial Technology, Nihon University. He received Dr. of Engineering from Nihon University in 1998. His research interest is study which utilizes simulation technique for management. And his recent study is being studied about marketing analysis and automation of business with AI. He is secretary general and director of Japan Society of Directories.