This author has not been identified. Look up 'Toyokazu Akiyama' in GoogleThis author has not been identified. Look up 'Takahiro Hara' in GoogleThis author has not been identified. Look up 'Kaname Harumoto' in GoogleThis author has not been identified. Look up 'Masahiko Tsukamoto' in GoogleThis author has not been identified. Look up 'Shojiro Nishio' in Google