1. Graduate School of Organic Material System; Yamagata University; Jonan 4-3-16, Yonezawa Yamagata 992-8510 Japan
2. Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita, Tama-ku Kawasaki Kanagawa 214-8571 Japan
3. Department of Electrical and Electronic Engineering; Tokyo Denki University; 5 Senju-Asahi-cho, Adachi-ku Tokyo 120-8551 Japan
4. Graduate School of Science and Engineering; Saitama University; 255 Shimo-okubo, Sakura-ku Saitama 338-8570 Japan