1. Hiroshima University Graduate School of Advanced Science and Engineering 1-4-1 Kagamiyama, Higashi-hiroshima 739-8527 Hiroshima Japan
2. Kanazawa University Graduate School of Natural Science and Technology Kakuma-machi 920-1192 Kanazawa Ishikawa Japan
3. ASAMASU Co., Ltd. Manufacturing Management Department 236 Nagasaki-cho 452-0838 Nagoya Aichi Japan
4. NIPPON MUKI Co., Ltd. 5-1-5 Higashi-ueno, Taito-ku 110-0015 Tokyo Japan