Inventor
NIWA TOKUHIRO
JP10 patents
Patents
10 patentsUS6148411ANov 14, 2000
Network system having function of changing route upon failure
HITACHI LTD92 citations97
US6032266AFeb 29, 2000
Network system having function of changing route upon failure
HITACHI LTD89 citations96
US6212164B1Apr 3, 2001
ATM switch congestion control method of connection setup requests and priority control method for receiving connection requests
HITACHI LTD56 citations94
US5046039ASep 3, 1991
Buffer management system
HITACHI LTD33 citations92
US4769807ASep 6, 1988
Loop back control system
HITACHI LTD38 citations92
US6505311B1Jan 7, 2003
Network system having function of changing route upon failure
HITACHI LTD28 citations91
US5327425AJul 5, 1994
Network synchronization control system and control method
HITACHI LTD24 citations87
US7243258B2Jul 10, 2007
Network system having function of changing route upon failure
HITACHI LTD7 citations72
US6647509B2Nov 11, 2003
Network system having function of changing route upon failure
HITACHI LTD5 citations72
US7031307B2Apr 18, 2006
Packet routing apparatus having label switching function
HITACHI LTD5 citations58