This author has not been identified. Look up 'Yutaka Hata' in GoogleThis author has not been identified. Look up 'Kiyoshi Hayase' in GoogleThis author has not been identified. Look up 'Takahiro Hozumi' in GoogleThis author has not been identified. Look up 'Naotake Kamiura' in GoogleThis author has not been identified. Look up 'Kazuharu Yamato' in Google