Nippon Oil Processing CO., LTD, Niigata, Japan,Oriental engineering CO., LTD, Tokyo, Japan,Nippon Oil Corp., Yokohama, Japan,Nippon Oil Processing CO., LTD, Niigata, Japan,Keio Univ., Yokohama, Japan ,Keio Univ., Yokohama, Japan ,Kagawa Univ., Takamatsu, Japan;