This author has not been identified. Look up 'Sou Koyano' in GoogleThis author has not been identified. Look up 'Shingo Ata' in GoogleThis author has not been identified. Look up 'Hisashi Iwamoto' in GoogleThis author has not been identified. Look up 'Yuji Yano' in GoogleThis author has not been identified. Look up 'Yasuto Kuroda' in GoogleThis author has not been identified. Look up 'Kazunari Inoue' in GoogleThis author has not been identified. Look up 'Ikuo Oka' in Google