On-Line Signature Verification based on Altitude and Direction of Pen Movement. - Seiichiro Hangai; Shinji Yamanaka; Takayuki Hamamoto (IEEE International Conference on Multimedia and Expo (I), 2000)

Writer Verification Using Altitude and Direction of Pen Movement. - Seiichiro Hangai; Shinji Yamanaka; Takayuki Hamamoto (ICPR, 2000)

Signature Verification Adapting To Intersession Variability. - Shinji Yamanaka; Masato Kawamoto; Takayuki Hamamoto; Seiichiro Hangai (ICME, 2001)

A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage. - Tatsuyuki Matsushita; Shinji Yamanaka; Fangming Zhao (IEICE Trans. Inf. Syst., 2016)