1. Japan Atomic Energy Agency, 4002 Narita, Oarai, Higashiibaraki Ibaraki 313-1393, Japan
2. Mitsubishi FBR Systems, Inc., 2-34-17, Jingumae, Shibuya-ku, Tokyo 105-001, Japan
3. Kawasaki Heavy Industries, Ltd., 2-11-1 Minamisuna, Koto-ku, Tokyo 136-8588, Japan
4. Fuji Electric Systems Company, Ltd., 1-1, Tanabeshinden, Kawasaki-ku Kawasaki 210-9530, Japan
5. Japan Atomic Power Company, 1-1, Mitoshiro-chyo, Kanda Chiyoda-ku, Tokyo 101-0053, Japan