This author has not been identified. Look up 'Nobuchika Sakata' in GoogleThis author has not been identified. Look up 'Kohei Kanamori' in GoogleThis author has not been identified. Look up 'Tomu Tominaga' in GoogleThis author has not been identified. Look up 'Yoshinori Hijikata' in GoogleThis author has not been identified. Look up 'Kensuke Harada' in GoogleThis author has not been identified. Look up 'Kiyoshi Kiyokawa' in Google