1. High-Tech Research Center, Hiroshima Kokusai Gakuin University
2. Asahi Surface Tec. LLC
3. Center for General Education, Hiroshima Kokusai Gakuin University
4. Department of Mechanical System Engineering, Faculty of Engineering, Hiroshima Institute of Technology
5. Department of Manufacturing Engineering, Faculty of Engineering, Hiroshima Kokusai Gakuin University