This author has not been identified. Look up 'Kazuhito Takenaka' in GoogleThis author has not been identified. Look up 'Yasuo Nagasaka' in GoogleThis author has not been identified. Look up 'Sayaka Hihara' in GoogleThis author has not been identified. Look up 'Hiroyuki Nakahara' in GoogleThis author has not been identified. Look up 'Atsushi Iriki' in GoogleThis author has not been identified. Look up 'Yasuo Kuniyoshi' in GoogleThis author has not been identified. Look up 'Naotaka Fujii' in Google