New Security Index for Digital Fingerprinting and Its Bounds. - Shingo Orihara; Takaaki Mizuki; Takao Nishizeki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Trusted-link: web-link enhancement for integrity and trustworthiness. - Shingo Orihara; Yukio Tsuruoka; Kenji Takahashi (Digital Identity Management, 2006)

Best Security Index for Digital Fingerprinting. - Kozo Banno; Shingo Orihara; Takaaki Mizuki; Takao Nishizeki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Certificate-less user authentication with consent. - Shingo Orihara; Yukio Tsuruoka; Kenji Takahashi (Digital Identity Management, 2007)