Seven Tools of Operation Standardization for Mass Production of a New Product. - Kosei Sugitani; Hiroshi Morita; Hiroaki Ishii (ICEIMT/DIISM, 2004)

The approach for skill up in five-why for investigating root cause of quality problems. - Kousei Sugitani; Hiroshi Morita (Int. J. Data Anal. Tech. Strateg., 2011)