Inventor · disambiguated record
Kazuo Takagi
Also filed as: TAKAGI KAZUO
36 granted patents·14 pending applications·344 citations·filing 1979–2019
97Inventor score
Top patents by PatentIndex Score
50 records- 0192US7848340B2System and method for transmission of data in packet ring network systemNEC CORP·Filed 2006·Granted Dec 7, 2010·35 cites·13 claims
- 0287US7385918B2Packet protection method and transmission device in ring network, and program thereforNEC CORP·Filed 2003·Granted Jun 10, 2008·26 cites·21 claims
- 0387US4588038ALoad weight measuring methodKOMATSU MFG CO LTD·Filed 1985·Granted May 13, 1986·43 cites·5 claims
- 0486US7898942B2Ring network system, failure recovery method, failure detection method, node and program for nodeNEC CORP·Filed 2006·Granted Mar 1, 2011·17 cites·20 claims
- 0586US7324440B2Multiring control method, node using the method, and control programNEC CORP·Filed 2003·Granted Jan 29, 2008·42 cites·39 claims
- 0684US8565124B2Node, network, correspondence relationship generation method and frame transfer programUMAYABASHI MASAKI·Filed 2006·Granted Oct 22, 2013·13 cites·54 claims
- 0783US9369409B2End-to-end hitless protection in packet switched networksNEC LAB AMERICA INC·Filed 2014·Granted Jun 14, 2016·8 cites·18 claims
- 0883US7831715B2Communication system, communication method, and programNEC CORP·Filed 2007·Granted Nov 9, 2010·13 cites·30 claims
- 0981US8675665B2Clock synchronization system, its method and programUMAYABASHI MASAKI·Filed 2008·Granted Mar 18, 2014·8 cites·26 claims
- 1081US5352853ACable mounting structure for automatic transmissionJATCO CORP·Filed 1992·Granted Oct 4, 1994·31 cites·14 claims
- 1175US6947427B1Transmission method and network system for accommodating a plurality of kinds of traffic in a common networkNEC CORP·Filed 2000·Granted Sep 20, 2005·22 cites·31 claims
- 1274US6747990B1Packet communication system, network-side apparatus to be used therein, and time slot allocation control methodNEC CORP·Filed 2000·Granted Jun 8, 2004·20 cites·36 claims
- 1372US8711686B2Packet transmission system and fault recovery methodTAKAGI KAZUO·Filed 2011·Granted Apr 29, 2014·4 cites·19 claims
- 1469US8824511B2Clock synchronization system, node, clock synchronization method, and programTAKAGI KAZUO·Filed 2009·Granted Sep 2, 2014·4 cites·24 claims
- 1569US7075944B1Accommodation frame and transmission device of different data traffics on common carrier waveNEC CORP·Filed 2000·Granted Jul 11, 2006·14 cites·22 claims
- 1657US7200155B2Communication system capable of efficiently transmitting data from terminals to serverNEC CORP·Filed 2002·Granted Apr 3, 2007·4 cites·40 claims
- 1755US6375322B2Front hook eyeglasses and method of attaching front hook eyeglasses onto eyeglasses bodyHORIKAWA CO LTD·Filed 2001·Granted Apr 23, 2002·7 cites·26 claims
- 1853US7126950B2Method and system for transmission and reception of asynchronously multiplexed signalsNEC CORP·Filed 2001·Granted Oct 24, 2006·3 cites·46 claims
- 1953US2009268891A1Telephone system, positional information server, telephone exchange, and method of controlling telephone systemMATSUI JUNICHIRO·Filed 2009·Application pending·0 cites
- 2052US7646789B2Communication system including several communication terminals and server, its communication terminal, its server and data transfer control programNEC CORP·Filed 2003·Granted Jan 12, 2010·2 cites·41 claims
- 2151US2008159126A1Multiring control method, node using the method, and control programNEC CORP·Filed 2007·Application pending·0 cites
- 2250US8731036B2Packet filter-based clock synchronization system, apparatus, and method, and program thereofUMAYABASHI MASAKI·Filed 2009·Granted May 20, 2014·2 cites·13 claims
- 2349US9012031B2Steel fuel conveying pipeTAKAGI KAZUO·Filed 2011·Granted Apr 21, 2015·0 cites·9 claims
- 2448US11523443B2Extraction, conversion, and transmission of user packet from encapsulated packetNEC CORP·Filed 2019·Granted Dec 6, 2022·0 cites·16 claims
- 2548US9215167B2Network systemTAKAGI KAZUO·Filed 2012·Granted Dec 15, 2015·0 cites·10 claims
- 2647US8094584B2Node, network system, frame transfer method, and frame transfer programUMAYABASHI MASAKI·Filed 2007·Granted Jan 10, 2012·0 cites·36 claims
- 2747US2008219168A1Relay apparatus, path selection system, path selection method and programNEC CORP·Filed 2008·Application pending·0 cites
- 2847US2009305708A1Mobile terminal, store-and-forward multihop communication method and programMATSUI JUNICHIRO·Filed 2009·Application pending·0 cites
- 2946US8218446B2Frame transfer route confirmation method, node, frame transfer route confirmation program and frame transfer route confirmation systemUMAYABASHI MASAKI·Filed 2007·Granted Jul 10, 2012·0 cites·40 claims
- 3046US2006193325A1Method and system for transmission and reception of asynchronously multiplexed signalsNEC CORP·Filed 2006·Application pending·0 cites
- 3145US2004047353A1Frame transfer method and node in network, and frame transfer programNEC CORP·Filed 2003·Application pending·0 cites
- 3244US9537757B2Adding link aggregation group to hitless protection in packet switched networksNEC LAB AMERICA INC·Filed 2014·Granted Jan 3, 2017·0 cites·5 claims
- 3344US2003043857A1Multiplexing transmission system and its data transfer methodNEC CORP·Filed 2002·Application pending·0 cites
- 3444US2007171836A1Estimating system, terminal, estimating method, and programNEC CORP·Filed 2007·Application pending·0 cites
- 3544US2009257458A1Clock synchronization systemNEC CORP·Filed 2009·Application pending·0 cites
- 3643US2003142626A1Communication system, communication terminal, server and data transfer control programNEC CORP·Filed 2003·Application pending·0 cites
- 3743US2010154049A1Terminal, security setting method, and program thereofNEC CORP·Filed 2006·Application pending·0 cites
- 3842US9912527B2Communication device, communication system, method for determining path, and programNEC CORP·Filed 2013·Granted Mar 6, 2018·0 cites·4 claims
- 3942US8693338B2Quality measuring system, quality measuring apparatus, quality measuring method, and programIKEMATSU RYUICHI·Filed 2009·Granted Apr 8, 2014·0 cites·13 claims
- 4042US2015085647A1Eliminating External Buffer for Hitless Protection by Using Channelized Flow ControlNEC LAB AMERICA INC·Filed 2014·Application pending·0 cites
- 4140US4253620AWinding spring for seat belt winding apparatusNIPPON KINZOKU CO LTD·Filed 1979·Granted Mar 3, 1981·9 cites·4 claims
- 4239US9300558B2Delay measurement system and delay measurement method, as well as delay measurement device and delay measurement programUMAYABASHI MASAKI·Filed 2011·Granted Mar 29, 2016·0 cites·14 claims
- 4338US8897308B2Node, a monitoring management method used for a node, and a transfer system, an input circuit and an output circuitCUI ZHENLONG·Filed 2010·Granted Nov 25, 2014·0 cites·25 claims
- 4437US8737238B2Congestion detecting method and communication nodeUMAYABASHI MASAKI·Filed 2010·Granted May 27, 2014·0 cites·14 claims
- 4536US8737401B2Communication using MPLS-ARP messagingCUI ZHENLONG·Filed 2012·Granted May 27, 2014·0 cites·6 claims
- 4635US5907551AATM switching system with distribution networks for varying traffic patternsNEC CORP·Filed 1997·Granted May 25, 1999·7 cites·20 claims
- 4734US4881173AElectronically controlled automatic speed changing apparatusKOMATSU MFG CO LTD·Filed 1986·Granted Nov 14, 1989·4 cites·6 claims
- 4834US2012020232A1Communication apparatus, communication system and communication methodYOSHIOKA DAISUKE·Filed 2011·Application pending·0 cites
- 4934US2017078193A1Communication system, control apparatus, communication apparatus, and communication methodNEC CORP·Filed 2015·Application pending·0 cites
- 5024US5119848ATwo-fluid injection apparatus and a manufacturing apparatus including such injecting apparatus for manufacturing minimized spangle molten plated steel plateNISSHIN STEEL CO LTD·Filed 1988·Granted Jun 9, 1992·6 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →