enogo (in Japanese)
SANYO TECHNO MARINE (in Japanese)
The Federation of Electric Power Companies of Japan
Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry
Japan Marine Science Foundation (in Japanese)
YOSHINO Keisoku (in Japanese)
Marine Ecology Research Institute
Environmental Engineering and Bioengineering Group, Kajima Technical Research Institute
Penta-Ocean Construction Co., Ltd.
Tokyo Kyuei Co., Ltd. (in Japanese)
Japan Hydrographic Association
Solton Co., Ltd. (in Japanese)
Rigo Co., Ltd. (in Japanese)