1. Head Office, Nisshin Steel Co., Ltd.
2. R&D Dept., Nisshin Steel Co., Ltd.
3. Hanshin R&D Laboratories, Nisshin Steel Co., Ltd.
4. Hanshin R & D Laboratories, Nisshin Steel Co., Ltd.
5. Hiroshima Shipyard and Engine Works, Mitsubishi Heavy Industries, Ltd.
6. Hiroshima Technical Institute, Mitsubishi Heavy Industries, Ltd.