This author has not been identified. Look up 'Masaru Katayama' in GoogleThis author has not been identified. Look up 'Hidenori Kai' in GoogleThis author has not been identified. Look up 'Junichi Yoshida' in GoogleThis author has not been identified. Look up 'Masaaki Inami' in GoogleThis author has not been identified. Look up 'Hiroki Yamada' in GoogleThis author has not been identified. Look up 'Kohei Shiomoto' in GoogleThis author has not been identified. Look up 'Naoaki Yamanaka' in Google