Applying Kerberos to the Communication Environment for Information Appliances. - Shoichi Sakane; Nobuo Okabe; Kenichi Kamada; Hiroshi Esaki (SAINT Workshops, 2003)

Issues of Control Networks when Introducing IP. - Nobuo Okabe (SAINT Workshops, 2005)

Security Architecture for Control Networks using IPsec and KINK. - Nobuo Okabe; Shoichi Sakane; Kazunori Miyazawa; Kenichi Kamada; Atsushi Inoue; Masahiro Ishiyama (SAINT, 2005)

A Prototype of a Secure Autonomous Bootstrap Mechanism for Control Networks. - Nobuo Okabe; Shoichi Sakane; Masahiro Ishiyama; Atsushi Inoue; Hiroshi Esaki (SAINT, 2006)

A translation method between 802.15.4 nodes and IPv6 nodes. - Shoichi Sakane; Yosuke Ishii; Katsuhiko Toba; Kenichi Kamada; Nobuo Okabe (SAINT Workshops, 2006)

Implementing a Secure Autonomous Bootstrap Mechanism for Control Networks. - Nobuo Okabe; Shoichi Sakane; Kazunori Miyazawa; Kenichi Kamada; Masahiro Ishiyama; Atsushi Inoue; Hiroshi Esaki (IEICE Trans. Inf. Syst., 2006)

Field Experiment of an Extendable Traceability System: Application to the Quality Control of Beef-Product Distribution. - Nobuo Okabe; Hirokazu Takatama; Kenichi Yajima; Yusuke Doi; Atsushi Inoue (IPC, 2007)

Extending a Secure Autonomous Bootstrap Mechanism to Multicast Security. - Nobuo Okabe; Shoichi Sakane; Kazunori Miyazawa; Kenichi Kamada (SAINT Workshops, 2007)

Considerations for multicast scalability of fieldbus protocols on IP/Ethernet. - Nobuo Okabe; Shoichi Sakane (INDIN, 2009)

ENM: A service oriented architecture for ontology-driven network management in heterogeneous network infrastructures. - Saber Zrelli; Atsushi Ishida; Nobuo Okabe; Fumio Teraoka (NOMS, 2012)

EAP-Kerberos: A Low Latency EAP Authentication Method for Faster Handoffs in Wireless Access Networks. - Saber Zrelli; Nobuo Okabe; Yoichi Shinoda (IEICE Trans. Inf. Syst., 2012)

XKDCP: An Inter-KDC Protocol for Dependable Kerberos Cross-Realm Operations. - Saber Zrelli; Nobuo Okabe; Yoichi Shinoda (J. Networks, 2013)