1. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
2. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University[ currently Panasonic Corporation]
3. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University [currently Kobe Steel, Ltd.]
4. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University [currently Department of Mechanical Engineering, Graduate School of Engineering, Osaka University]