Inventor
YASUKAWA SEISHO
JP18 patents
Patents
18 patentsUS5892604AApr 6, 1999
ATM switch
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US7792099B2Sep 7, 2010
Method of setting multicast transfer route and method of multicast label switching for realizing the same
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US7583601B2Sep 1, 2009
Multicast transfer route setting method, and multicast label switching method for implementing former method
NIPPON TELEGRAPH & TELEPHONE10 citations82
US7339935B2Mar 4, 2008
ATM switch for distributing cells to avoid blocking in the ATM switch
NIPPON TELEGRAPH & TELEPHONE7 citations72
US7136391B1Nov 14, 2006
ATM switch
NIPPON TELEGRAPH & TELEPHONE4 citations72
US11463745B2Oct 4, 2022
System control apparatus, system control method and program
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11522614B2Dec 6, 2022
Control apparatus, connection status registration method and program
NIPPON TELEGRAPH & TELEPHONE2 citations68
US11277661B2Mar 15, 2022
Quality information collection system, quality information collection method and program
NIPPON TELEGRAPH & TELEPHONE1 citations61
US7693074B2Apr 6, 2010
Multicast communication path calculation method and multicast communication path calculation apparatus
NIPPON TELEGRAPH & TELEPHONE4 citations61
US7652998B2Jan 26, 2010
Multicast communication path calculation method and multicast communication path calculation apparatus
NIPPON TELEGRAPH & TELEPHONE2 citations61
US7474664B2Jan 6, 2009
ATM switch for ensuring cell sequence
NIPPON TELEGRAPH & TELEPHONE2 citations61
US7292576B2Nov 6, 2007
ATM switch having output buffers
NIPPON TELEGRAPH & TELEPHONE1 citations61
US11811454B2Nov 7, 2023
Local wavelength defrag apparatus, local wavelength defrag method and program
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US11196659B2Dec 7, 2021
Route calculation method, route calculation apparatus and program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11838452B2Dec 5, 2023
Control apparatus, control method and program
NIPPON TELEGRAPH & TELEPHONE0 citations48
US11757741B2Sep 12, 2023
Demand prediction apparatus, demand prediction method and program for predicting a demand of a path on a network using selected trend patterns
NIPPON TELEGRAPH & TELEPHONE0 citations47
US11509398B2Nov 22, 2022
Control apparatus and control method
NIPPON TELEGRAPH & TELEPHONE0 citations47
US11838186B2Dec 5, 2023
Topology design apparatus, topology design method and program
NIPPON TELEGRAPH & TELEPHONE0 citations44