Investigating perceived slope gradient in virtual environment with visuo-haptic interaction. - Ryuta Ishikawa; Akifumi Inoue; Tohru Hoshi (OZCHI, 2018)

Implementation and Initial Evaluation of Virtually Transformable Plushies. - Akifumi Inoue; Ryuta Ishikawa; Mitsuyoshi Yamamoto (OZCHI, 2019)

Transformable Game Controller and Its Application to Action Game. - Akifumi Inoue; Takeru Fukunaga; Ryuta Ishikawa (VR, 2019)