Koki Hanasaku (Yamaguchi University / JP), Wataru Matsumura (Yamaguchi University / JP), Taketo Kowaki (Yamaguchi University / JP), Satoshi Kurai (Yamaguchi University / JP), Yongzhao Yao (Japan Fine Ceramics Center / JP), Yukari Ishikawa (Japan Fine Ceramics Center / JP), Prof. Dr. Narihito Okada (Yamaguchi University / JP), Professor Yoichi Yamada (Yamaguchi University / JP)