1. R & D Center; Para Hermosa Co., Ltd.; Yokohama 236-0004 Japan
2. Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama 223-8522 Japan
3. R & D Center; Kishi Kasei Co., Ltd.; Yokohama 236-0004 Japan
4. Yokohama Research Center; Kuroda Consulting Inc.; Yokohama 226-0011 Japan