SecretSign: A Method of Finding an Off-Line Target Object without Revealing the Target to Observers. - Yusuke Sakai 006; Hiromi Morita; Yoshio Ishiguro; Takanori Nishino; Kazuya Takeda (ITSC, 2018)

Effects on user perception of a 'modified' speed experience through in-vehicle virtual reality. - Yusuke Sakai 006; Toshimitsu Watanabe; Yoshio Ishiguro; Takanori Nishino; Kazuya Takeda (AutomotiveUI (adjunct), 2019)

SecretSign: A Method of Finding a Specific Vehicle Privately and Quickly Using Flashing Lights. - Yusuke Sakai 006; Hiromi Morita; Yoshio Ishiguro; Kazuya Takeda; Takanori Nishino (IEEE Intell. Transp. Syst. Mag., 2022)