1. Seiko Epson Corporation, 281
Fujimi, Fujimi-machi, Suwa-gun, Nagano 399-0293, Japan
2. Division
of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano 386-8567, Japan
3. Department
of Chemistry, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan