Inventor
WAKAMOTO MASAAKI
JP13 patents
Patents
13 patentsUS7068640B2Jun 27, 2006
VPN system in mobile IP network, and method of setting VPN
FUJITSU LTD167 citations97
US6212521B1Apr 3, 2001
Data management system, primary server, and secondary server for data registration and retrieval in distributed environment
FUJITSU LTD251 citations97
US7277948B2Oct 2, 2007
Network system with dynamic service profile updating functions
FUJITSU LTD150 citations96
US6917605B2Jul 12, 2005
Mobile network system and service control information changing method
FUJITSU LTD91 citations96
US5526415AJun 11, 1996
Integrated communication system with intelligent network and telecommunications management network
FUJITSU LTD54 citations95
US5438356AAug 1, 1995
Accounting system for multimedia communications system
FUJITSU LTD67 citations95
US5107500AApr 21, 1992
Diagnostic expert system
FUJITSU LTD124 citations94
US6646999B1Nov 11, 2003
Mobile packet communication system
FUJITSU LTD44 citations92
US6028838AFeb 22, 2000
Navigation apparatus
FUJITSU LTD48 citations92
US7510113B2Mar 31, 2009
Billing system, and device constituting same
FUJITSU LTD25 citations91
US5729688AMar 17, 1998
Network element managing system
FUJITSU LTD26 citations90
US7197014B2Mar 27, 2007
Recording medium, fault analysis device and fault analysis method
FUJITSU LTD13 citations83
US7359350B2Apr 15, 2008
Mobile packet communication system
FUJITSU LTD4 citations63