1. Faculty of Engineering, Hiroshima Institute of Technology
2. [Present] YONEX Co., Ltd.
3. Graduate School of Engineering, Hiroshima Institute of Technology
4. [Present] Hiroshima Seiken Kogyo Co., Ltd
5. ASASHITA PLATING CO LTD.
6. Industrial Research Institute of Ishikawa
7. Graduate School of Engineering Science, Osaka University