Proposal of Analysis Method using Conceptual Data Modeling and Theory of Constraints. - Takamasa Sakai; Takahiro Nakagawa; Shigeo Kaneda (JCKBSE, 2012)

Fundamental Study on Ozone Treatment of Soil for Agricultural Application. - Takuya Nagatomo; Keisuke Takigawa; Takamasa Sakai; Fumiaki Mitsugi; Tomoaki Ikegami; Kenji Ebihara (IIAI-AAI, 2013)

Influence of Ozone Treatment on Soil Nutrient and Acidity with Low Ozone Dose Rate. - Takuya Nagatomo; Keisuke Takigawa; Yuki Yamasaki; Takamasa Sakai; Fumiaki Mitsugi; Tomoaki Ikegami; Kenji Ebihara; Kazuhiro Nagahama (IIAI-AAI, 2014)

Understanding of Class Diagrams Based on Cognitive Linguistics for Japanese Students. - Shigeo Kaneda; Akio Ida; Takamasa Sakai (JCKBSE, 2014)