1. Osaka Kyoiku University,Kashiwara, Osaka,Japan,582-8582
2. Osaka Institute of Technology,Asahiku, Osaka,Japan,535-8585
3. Ritsumeikan University,Kusatsu, Shiga,Japan,525-8577
4. Union Materials Inc.,Kitasoma-gun, Ibaraki,Japan,300-1602
5. Osaka University,Toyonaka, Osaka,Japan,560-0043