Inventor
WAKAYAMA KOJI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “WAKAYAMA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
28 patentsUS7079544B2Jul 18, 2006
Apparatus and method for interworking between MPLS network and non-MPLS network
HITACHI LTD234 citations99
US6771662B1Aug 3, 2004
Label switching type of packet forwarding apparatus
HITACHI LTD110 citations99
US6633571B1Oct 14, 2003
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD144 citations99
US5963555AOct 5, 1999
Router apparatus using ATM switch
HITACHI LTD137 citations99
US6836479B1Dec 28, 2004
Variable length packet communication device
HITACHI LTD70 citations96
US6046999AApr 4, 2000
Router apparatus using ATM switch
HITACHI LTD65 citations96
US7403477B2Jul 22, 2008
Packet communicating apparatus
HITACHI LTD27 citations93
US6907006B1Jun 14, 2005
Method and apparatus for detecting faults in IP packet communication
HITACHI LTD28 citations93
US7881311B2Feb 1, 2011
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD13 citations92
US7298752B2Nov 20, 2007
Packet communication device
HITACHI LTD30 citations92
US6424662B1Jul 23, 2002
Router apparatus using ATM switch
HITACHI LTD16 citations92
US7706271B2Apr 27, 2010
Method of transmitting packets and apparatus of transmitting packets
HITACHI LTD10 citations84
US7633954B2Dec 15, 2009
Apparatus and method for interworking between MPLS network and non-MPLS network
HITACHI LTD15 citations84
US7586947B2Sep 8, 2009
Label switching type of packet forwarding apparatus
HITACHI LTD11 citations84
US7173932B2Feb 6, 2007
Packet switching apparatus
HITACHI LTD15 citations84
US7518998B2Apr 14, 2009
IP packet communication apparatus
HITACHI LTD7 citations74
US6980553B2Dec 27, 2005
Router apparatus using ATM switch
HITACHI LTD11 citations74
US6385171B1May 7, 2002
Router apparatus using ATM switch
HITACHI LTD10 citations74
US7016373B2Mar 21, 2006
Packet switching apparatus
HITACHI LTD9 citations73
US8380065B2Feb 19, 2013
Optical access system and optical line terminal
HITACHI LTD4 citations63
US7983281B2Jul 19, 2011
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD2 citations63
US7869441B2Jan 11, 2011
Variable length packet communication device
HITACHI LTD4 citations63
US8923866B2Dec 30, 2014
Handover management apparatus, base station, and handover management method
HITACHI LTD2 citations60
US9319910B2Apr 19, 2016
Communication system
HITACHI LTD2 citations56
US9532291B2Dec 27, 2016
Network system and communication log analyzer
HITACHI LTD0 citations52
US9124531B2Sep 1, 2015
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD0 citations52
US8014420B2Sep 6, 2011
Label switching type of packet forwarding apparatus
HITACHI LTD0 citations52
US7843909B2Nov 30, 2010
Packet communicating apparatus
HITACHI LTD0 citations52
WAKAYAMA KOJI
3 patentsUS8401384B2Mar 19, 2013
Optical access system, optical switching unit and optical line terminal
WAKAYAMA KOJI8 citations82
US8942735B2Jan 27, 2015
Network system and communication log analyzer
WAKAYAMA KOJI3 citations60
US9019969B2Apr 28, 2015
Gateway for interconnecting a wireless access function with a network access function
WAKAYAMA KOJI0 citations39