ChoiceLog: Life Log System Based on Choices for Supporting Decision-Making. - Junpei Koyama; Keiko Yamamoto; Itaru Kuramoto; Yoshihiro Tsujino (HCI (13), 2014)

Simulator Demonstration of Large Scale Variational Quantum Algorithm on HPC Cluster. - Mikio Morita; Yoshinori Tomita; Junpei Koyama; Koichi Kimura (IEEE Access, 2024)