Inventor
TAKAGI KAZUO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
14 patentsUS7848340B2Dec 7, 2010
System and method for transmission of data in packet ring network system
NEC CORP35 citations92
US7385918B2Jun 10, 2008
Packet protection method and transmission device in ring network, and program therefor
NEC CORP26 citations92
US7324440B2Jan 29, 2008
Multiring control method, node using the method, and control program
NEC CORP42 citations92
US6947427B1Sep 20, 2005
Transmission method and network system for accommodating a plurality of kinds of traffic in a common network
NEC CORP22 citations92
US6747990B1Jun 8, 2004
Packet communication system, network-side apparatus to be used therein, and time slot allocation control method
NEC CORP20 citations92
US7075944B1Jul 11, 2006
Accommodation frame and transmission device of different data traffics on common carrier wave
NEC CORP14 citations84
US7898942B2Mar 1, 2011
Ring network system, failure recovery method, failure detection method, node and program for node
NEC CORP17 citations83
US7831715B2Nov 9, 2010
Communication system, communication method, and program
NEC CORP13 citations83
US5907551AMay 25, 1999
ATM switching system with distribution networks for varying traffic patterns
NEC CORP7 citations74
US7646789B2Jan 12, 2010
Communication system including several communication terminals and server, its communication terminal, its server and data transfer control program
NEC CORP2 citations62
US7200155B2Apr 3, 2007
Communication system capable of efficiently transmitting data from terminals to server
NEC CORP4 citations62
US7126950B2Oct 24, 2006
Method and system for transmission and reception of asynchronously multiplexed signals
NEC CORP3 citations59
US11523443B2Dec 6, 2022
Extraction, conversion, and transmission of user packet from encapsulated packet
NEC CORP0 citations52
US9912527B2Mar 6, 2018
Communication device, communication system, method for determining path, and program
NEC CORP0 citations41
UMAYABASHI MASAKI
7 patentsUS8565124B2Oct 22, 2013
Node, network, correspondence relationship generation method and frame transfer program
UMAYABASHI MASAKI13 citations83
US8675665B2Mar 18, 2014
Clock synchronization system, its method and program
UMAYABASHI MASAKI8 citations82
US8731036B2May 20, 2014
Packet filter-based clock synchronization system, apparatus, and method, and program thereof
UMAYABASHI MASAKI2 citations60
US8094584B2Jan 10, 2012
Node, network system, frame transfer method, and frame transfer program
UMAYABASHI MASAKI0 citations51
US8737238B2May 27, 2014
Congestion detecting method and communication node
UMAYABASHI MASAKI0 citations40
US8218446B2Jul 10, 2012
Frame transfer route confirmation method, node, frame transfer route confirmation program and frame transfer route confirmation system
UMAYABASHI MASAKI0 citations40
US9300558B2Mar 29, 2016
Delay measurement system and delay measurement method, as well as delay measurement device and delay measurement program
UMAYABASHI MASAKI0 citations39
TAKAGI KAZUO
4 patentsUS8824511B2Sep 2, 2014
Clock synchronization system, node, clock synchronization method, and program
TAKAGI KAZUO4 citations71
US8711686B2Apr 29, 2014
Packet transmission system and fault recovery method
TAKAGI KAZUO4 citations71
US9215167B2Dec 15, 2015
Network system
TAKAGI KAZUO0 citations50
US9012031B2Apr 21, 2015
Steel fuel conveying pipe
TAKAGI KAZUO0 citations50