INTERNET-MARKs: Clear, Secure, and Portable Visual Marks for the Cyber Worlds. - Hiroshi Yoshiura; Seiichi Susaki; Yasuhiko Nagai; Tsukasa Saitoh; Hisashi Toyoshima; Ryôichi Sasaki; Satoru Tezuka (Security Protocols Workshop, 1999)

Seamless Object Authentication in Different Security Policy Domains. - Satoru Tezuka; Ryôichi Sasaki; Masanori Kataoka (HICSS, 2000)

Internet-Marks: the secure seal for WWW site authentication. - Shinsuke Honjo; Seiichi Susaki; Hiroshi Yoshiura; Hirokazu Aoshima; Satoru Tezuka; Ryôichi Sasaki; Tsukasa Saitoh; Hisashi Toyoshima (ICPADS Workshops, 2000)

Authenticating Web-Based Virtual Shops Using Signature-Embedded Marks - A Practical Analysis. - Hiroshi Yoshiura; Takaaki Shigematsu; Seiichi Susaki; Tsukasa Saitoh; Hisashi Toyoshima; Chikako Kurita; Satoru Tezuka; Ryôichi Sasaki (Security Protocols Workshop, 2000)

Use of Motion Estimation to Improve Video Watermarking for MPEG Encoders. - Isao Echizen; Hiroshi Yoshiura; Yasuhiro Fujii; Satoru Tezuka (IWDW, 2003)

Print traceability systems framework using digital watermarks for binary images. - Takaaki Yamada; Yasuhiro Fujii; Isao Echizen; Koichi Tanimoto; Satoru Tezuka (SMC (4), 2004)

Correlation-based model of color picture watermarking against random geometric distortion. - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (ICME, 2005)

Speeding up X.509 Certificate Path Validation. - Shingo Hane; Takahiro Fujishiro; Yoko Hashimoto; Tadashi Kaji; Kondo Katsuhiko; Satoru Tezuka (IWAP, 2005)

Improved Video Watermark Detection Using Statistically-Adaptive Accumulation. - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (KES (4), 2005)

Real-time video watermark embedding system using software on personal computer. - Isao Echizen; Takaaki Yamada; Yasuhiro Fujii; Satoru Tezuka; Hiroshi Yoshiura (SMC, 2005)

Use of inferential statistics to estimate error probability of video watermarks. - Isao Echizen; Hiroshi Yoshiura; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka (Security, Steganography, and Watermarking of Multimedia Contents, 2005)

Digitally Signed Document Sanitizing Scheme with Disclosure Condition Control. - Kunihiko Miyazaki; Mitsuru Iwamura; Tsutomu Matsumoto; Ryôichi Sasaki; Hiroshi Yoshiura; Satoru Tezuka; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Perceptually Adaptive Video Watermarking Using Motion Estimation. - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Int. J. Image Graph., 2005)

Improved Video Verification Method Using Digital Watermarking. - Isao Echizen; Takaaki Yamada; Satoru Tezuka; Stephan Singh; Hiroshi Yoshiura (IIH-MSP, 2006)

PC-based real-time watermark embedding system with standard video interface. - Isao Echizen; Koichi Tanimoto; Takaaki Yamada; Masanori Dainaka; Satoru Tezuka; Hiroshi Yoshiura (SMC, 2006)

Generalized Powering Functions and Their Application to Digital Signatures. - Hisayoshi Sato; Tsuyoshi Takagi; Satoru Tezuka; Kazuo Takaragi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Use of Statistically Adaptive Accumulation to Improve Video Watermark Detection. - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Inf. Media Technol., 2006)

Use of Gap-Filling Operation to Enhance Image Quality of Binary Image Watermarking. - Ryu Ebisawa; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Isao Echizen (IIH-MSP, 2007)

Adaptive Embedding and Detection for Improved Video Watermarking. - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Intelligent Multimedia Data Hiding: New Directions, 2007)

A study on user authentication infrastructure for next generation telematics. - Katsuyuki Umezawa; Seiichi Susaki; Masamori Kashiyama; Satoru Tezuka (ICVES, 2008)

A Proposal of TLS Implementation for Cross Certification Model. - Tadashi Kaji; Takahiro Fujishiro; Satoru Tezuka (IEICE Trans. Inf. Syst., 2008)

An authentication system using smart phones as secure storage. - Katsuyuki Umezawa; Satoru Tezuka; Shigeichi Hirasawa (SMC, 2011)

Development and Evaluation of FMC Authentication Technology with Cellular Phones. - Katsuyuki Umezawa; Satoru Tezuka (IEICE Trans. Commun., 2011)

International Mutual Recognition: A Description of Trust Services in US, UK, EU and JP and the Testbed "Hakoniwa". - Satoshi Kai; Takao Kondo; Naghmeh Karimi; Konstantinos Mersinas; Marc Sel; Roberto Yus; Satoru Tezuka (SECRYPT, 2023)