Development of a novel hearing-aid for the profoundly deaf using bone-conducted ultrasonic perception: Evaluation of transposed modulation. - Seiji Nakagawa; Chika Fujiyuki; Yuko Okubo; Takuya Hotehama; Takayuki Kagomiya (EMBC, 2013)

Enterprise Assistant Service: Supporting Employees in the Digital Enterprise. - Ajay Chander; Sanam Mirzazad-Barijough; Yuko Okubo (ECSCW Exploratory Papers, 2017)