This author has not been identified. Look up 'Takashi Kunifuji' in GoogleThis author has not been identified. Look up 'Jun Nishiyama' in GoogleThis author has not been identified. Look up 'Hiroyuki Sugahara' in GoogleThis author has not been identified. Look up 'Tetsuya Okada' in GoogleThis author has not been identified. Look up 'Yamato Fukuta' in GoogleThis author has not been identified. Look up 'Masayuki Matsumoto' in Google