Haruyuki Takeyoshi

Mobile node, packet relay device and packet forwarding method

Cooperation information managing apparatus and gateway apparatus for use in cooperation information managing system

Network service system using temporary user identifier

Connection assistance apparatus and gateway apparatus

Connection supporting apparatus

Service communication control method, service relaying apparatus, management server, portal server, and service communication control system

Method and apparatus for providing device information

Gateway device, terminal, and network device

Connection support device and gateway device

Connection support apparatus and gateway apparatus