This author has not been identified. Look up 'Naoyasu Ubayashi' in GoogleThis author has not been identified. Look up 'Tetsuo Tamai' in GoogleThis author has not been identified. Look up 'Shinji Sano' in GoogleThis author has not been identified. Look up 'Yusaku Maeno' in GoogleThis author has not been identified. Look up 'Satoshi Murakami' in Google