Digital opportunity: the digital gap between openness and closeness of relational divide upon the mobile phone usage. - Chyi-In Wu; Chao-Wen Chan; Yi-Chien Chen; Kenichi Ishii (Int. J. Internet Enterp. Manag., 2006)

A comparative study of media cultures among Taiwanese and Japanese youth. - Kenichi Ishii; Chyi-In Wu (Telematics Informatics, 2006)

Links between Real and Virtual Networks: A Comparative Study of Online Communities in Japan and Korea. - Kenichi Ishii; Morihiro Ogasahara (Cyberpsychology Behav. Soc. Netw., 2007)

Digital divides and mobile Internet in Indonesia: Impact of smartphones. - Lia Puspitasari; Kenichi Ishii (Telematics Informatics, 2016)

Online communication with strong ties and subjective well-being in Japan. - Kenichi Ishii (Comput. Hum. Behav., 2017)

CNN-based System to Identify Bicycle Riders and Pedestrians: Toward Minor Collision Prevention on Sidewalks. - Kenichi Ishii; Satoki Tsuichihara; Hiroshi Takemura; Hiroshi Mizoguchi (SII, 2020)