1. Tokyo Institute of Technology; Nagatsuta 4259, Midori-ku Yokohama 226-8503 Japan
2. Tokyo University of Science; Niijuku 6-3-1, Katsushika-ku Tokyo 125-0051 Japan
3. Nippon Steel and Sumikin Eng. Co., Ltd.; 1-5-1 Osaki, Shinagawa Tokyo Japan
4. Nippon Steel and Sumikin Eng. USA, Inc.; 2000 Alameda de las Pulgas, Suite 159 San Mateo CA 94403 USA