Virtual object manipulation on a table-top AR environment. - Hirokazu Kato 001; Mark Billinghurst; Ivan Poupyrev; Kenji Imamoto; Keihachiro Tachibana (ISAR, 2000)

A Certified E-mail System with Receiver's Selective Usage of Delivery Authority. - Kenji Imamoto; Kouichi Sakurai (INDOCRYPT, 2002)

Certified E-mail Systems Using Public Notice Board. - Kenji Imamoto; Kouichi Sakurai (DEXA Workshops, 2003)

A Design of Diffie-Hellman Based Key Exchange Using One-time ID in Pre-shared Key Model. - Kenji Imamoto; Kouichi Sakurai (AINA (1), 2004)

Key-Exchange Protocol Using Pre-agreed Session-ID. - Kenji Imamoto; Kouichi Sakurai (WISA, 2004)

Analysis and Design for Private Message Board Systems. - Kenji Imamoto; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

Reassignment Scheme of an RFID Tag's Key for Owner Transfer. - Junichiro Saito; Kenji Imamoto; Kouichi Sakurai (EUC Workshops, 2005)

An Evenhanded Certified Email System for Contract Signing. - Kenji Imamoto; Jianying Zhou 001; Kouichi Sakurai (ICICS, 2005)

Generic, Optimistic, and Efficient Schemes for Fair Certified Email Delivery. - Guilin Wang; Feng Bao 001; Kenji Imamoto; Kouichi Sakurai (ICICS, 2005)

Some Remarks on Security of Receipt-Free E-auction. - Yong-Sork Her; Kenji Imamoto; Kouichi Sakurai (ICITA (2), 2005)

Design and Analysis of Diffie-Hellman-Based Key Exchange Using One-time ID by SVO Logic. - Kenji Imamoto; Kouichi Sakurai (ARSPA@ICALP, 2005)

Off-line verification of one-time ID in distributed environment. - Kenji Imamoto; Kouichi Sakurai (PST, 2006)

Enhanced Privacy in Key-Exchange Protocols by One-time ID. - Kenji Imamoto; Kouichi Sakurai (SecPerU, 2006)

Achieving evenhandedness in certified email system for contract signing. - Kenji Imamoto; Jianying Zhou 001; Kouichi Sakurai (Int. J. Inf. Sec., 2008)