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

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)

Network Broadcasting System Using Viewer Information. - Arisa Fujii; Haruyuki Nakamura; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi; Koichi Tanimoto; Takaaki Yamada (SMC, 2006)

Identified-Service Support System and Its Application to Network Broadcasting Services. - Koichi Tanimoto; Takaaki Yamada; Haruyuki Nakamura; Arisa Fujii; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi (SMC, 2006)