1. Sumitomo Rubber Industries Ltd.; 1-1,2-chome, Tsutsui-cho Chuo-ku Kobe 651-0071 Japan
2. Sumitomo Rubber (Thailand) Co., Ltd.; 7/232 Moo. 6, Soi Pornprapa, Amata City Industrial Estate Mabyangporn, Pluakdaeng Rayong 21140 Thailand
3. Department of Chemical Science and Technology; Institute of Technology and Science; The University of Tokushima; Minami-Josanjima 2-1 Tokushima 770-8506 Japan