Wolf fingerprints against minutiae count matching systems - Hyunho Kang; Shoko Yonezawa; Manabu Inuma; Akira Otsuka; Hideki Imai (IEICE Electron. Express, 2010)

Using group signatures for identity management and its implementation - Toshiyuki Isshiki; Kengo Mori; Kazue Sako; Isamu Teranishi; Shoko Yonezawa (Proceedings of the 2006 Workshop on Digital Identity Management, Alexandria, VA, USA, November 3, 2006, 2006)

Group Signatures with Separate and Distributed Authorities - Jun Furukawa; Shoko Yonezawa (Security in Communication Networks, 4th International Conference, SCN 2004, Amalfi, Italy, September 8-10, 2004, Revised Selected Papers, 2004)

Traceability Schemes for Signed Documents - Shoko Yonezawa; Goichiro Hanaoka; Junji Shikata; Hideki Imai (Information Security, 5th International Conference, ISC 2002 Sao Paulo, Brazil, September 30 - October 2, 2002, Proceedings, 2002)