On generalized constant-weight codes over GF(q) from a cyclic difference set and their properties. - Takayasu Kaida; Junru Zheng; Keiichi Takahashi (ISITA, 2014)

Learning Status Report Tool for Programming Learning Services. - Keiichi Takahashi; Nobuo Suzuki (KES, 2022)

VR running system using redirected walking technique. - Ryo Fujita; Nobuo Suzuki; Keiichi Takahashi (KES, 2024)