Inventor
YAMANAKA NAOAKI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA NAOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
26 patentsUS6639897B1Oct 28, 2003
Communication network of linked nodes for selecting the shortest available route
NIPPON TELEGRAPH & TELEPHONE118 citations97
US5892604AApr 6, 1999
ATM switch
NIPPON TELEGRAPH & TELEPHONE63 citations96
US5878029AMar 2, 1999
Variable-bandwidth network
NIPPON TELEGRAPH & TELEPHONE142 citations95
US7545829B2Jun 9, 2009
Layered network node, network incorporating the same, node, and layered network
NIPPON TELEGRAPH & TELEPHONE27 citations92
US6757283B1Jun 29, 2004
Push network
NIPPON TELEGRAPH & TELEPHONE37 citations92
US5953341ASep 14, 1999
Contention control circuit
NIPPON TELEGRAPH & TELEPHONE21 citations92
US5577030ANov 19, 1996
Data communication routing method and device
NIPPON TELEGRAPH & TELEPHONE30 citations92
US4788679ANov 29, 1988
Packet switch with variable data transfer rate links
NIPPON TELEGRAPH & TELEPHONE66 citations92
US6046983AApr 4, 2000
Dynamic rate control system
NIPPON TELEGRAPH & TELEPHONE52 citations90
US5509008AApr 16, 1996
High Speed ATM switch with simplified arbitration scheme and circuit configuration
NIPPON TELEGRAPH & TELEPHONE20 citations86
US6731628B1May 4, 2004
Circuit-switched network
NIPPON TELEGRAPH & TELEPHONE19 citations84
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
US7289730B2Oct 30, 2007
Optical path communication network, node, and optical path setup method
NIPPON TELEGRAPH & TELEPHONE11 citations83
US5812532ASep 22, 1998
Communication network design method and communication equipment
NIPPON TELEGRAPH & TELEPHONE13 citations74
US7333424B2Feb 19, 2008
Upper layer node, lower layer node, and node control method
NIPPON TELEGRAPH & TELEPHONE7 citations73
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
US6570874B1May 27, 2003
ATM switch
NIPPON TELEGRAPH & TELEPHONE11 citations69
US7263289B2Aug 28, 2007
Optical dynamic burst switch
NIPPON TELEGRAPH & TELEPHONE2 citations62
US7200330B2Apr 3, 2007
Optical dynamic burst switch
NIPPON TELEGRAPH & TELEPHONE3 citations62
US6324175B1Nov 27, 2001
Circuit-switched network
NIPPON TELEGRAPH & TELEPHONE3 citations62
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
US7978713B2Jul 12, 2011
GMPLS+IP/MPLS node and IP/MPLS node
NIPPON TELEGRAPH & TELEPHONE0 citations41
US7894368B2Feb 22, 2011
OVPN system, OVPN terminating device, collective controlling device, and optical communication network
NIPPON TELEGRAPH & TELEPHONE0 citations41
EMPIRE TECHNOLOGY DEV LLC
6 patentsUS9667744B2May 30, 2017
Method of outputting estimated QoEs on a terminal on an application basis
EMPIRE TECHNOLOGY DEV LLC3 citations73
US9413848B2Aug 9, 2016
Method of outputting estimated QoEs on a terminal on an application basis
EMPIRE TECHNOLOGY DEV LLC3 citations73
US9838892B2Dec 5, 2017
Apparatus, mobile terminal, and method to estimate quality of experience of application
EMPIRE TECHNOLOGY DEV LLC1 citations52
US9478070B2Oct 25, 2016
Coordinate information updating device
EMPIRE TECHNOLOGY DEV LLC0 citations52
US9270452B2Feb 23, 2016
Encryption using real-world objects
EMPIRE TECHNOLOGY DEV LLC1 citations52
US9001033B2Apr 7, 2015
Coordinate information updating device
EMPIRE TECHNOLOGY DEV LLC0 citations52