Inventor
SHIMAZAKI DAISAKU
JP9 patents
Patents
9 patentsUS7545829B2Jun 9, 2009
Layered network node, network incorporating the same, node, and layered network
NIPPON TELEGRAPH & TELEPHONE27 citations92
US7457240B2Nov 25, 2008
Node, packet communication network, packet communication method, and program
NIPPON TELEGRAPH & TELEPHONE12 citations83
US7313328B2Dec 25, 2007
Node used in photonic network, and photonic network
NIPPON TELEGRAPH & TELEPHONE16 citations83
US11469966B2Oct 11, 2022
Transmission system, device management server, fault management method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations57
US11812205B2Nov 7, 2023
Optical cross-connect device, optical transmission system, and optical transmission line connection error detection method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11750535B2Sep 5, 2023
Transmitting device, receiving device, packet transfer system,packet transfer method, and packet transfer program
NIPPON TELEGRAPH & TELEPHONE0 citations48
US11936526B2Mar 19, 2024
Network apparatus information management device and network apparatus information management method
NIPPON TELEGRAPH & TELEPHONE0 citations47
US11411879B2Aug 9, 2022
Transmission system management device and transmission system design method
NIPPON TELEGRAPH & TELEPHONE0 citations47
US7978713B2Jul 12, 2011
GMPLS+IP/MPLS node and IP/MPLS node
NIPPON TELEGRAPH & TELEPHONE0 citations41