Basic Study on Analyzing of Maneuvering for Avoiding Collision in the Congested Sea Area where Many Ships are Crossing by Using OZT. - Kei Kumagai; Takanori Mochida; Yuta Tanaka; Jun Kayano (ICETET, 2012)

On the supporting information for the approach shiphandling by using the sea pilot's shiphandling records. - Jun Kayano; Yuki Kihara; Kei Kumagai; Hayato Yoshikawa (SMC, 2014)

Effectiveness of the OZT taking into account with the other ships' waypoints information. - Jun Kayano; Kei Kumagai (IFSA-SCIS, 2017)