1. Assoc. Prof., Dept. of Architecture and Structural Engineering, National Institute of Technology, Kure College, Dr.Eng.
2. Assist. Prof., Graduate School of Engineering, Hiroshima Univ., Dr.Eng.
3. Assist. Prof., Faculty of Eng., Information and Systems., University of Tsukuba., Dr.Eng.
4. Assoc. Prof., Faculty of Human Life Studies, Hiroshima Jogakuin Univ., Dr.H.L.S.
5. Prof., Faculty of Engineering, Hiroshima Institute of Technology, Ph.D.