Inventor · disambiguated record
Kazuo Sugai
Also filed as: SUGAI KAZUO
40 granted patents·3 pending applications·1,001 citations·filing 1982–2019
98Inventor score
Top patents by PatentIndex Score
43 records- 0196US7433301B2Method of transferring packets and router device thereforHITACHI LTD·Filed 2002·Granted Oct 7, 2008·188 cites·5 claims
- 0294US7969880B2Device and method for relaying packetsALAXALA NETWORKS CORP·Filed 2007·Granted Jun 28, 2011·51 cites·18 claims
- 0391US6683885B1Network relaying apparatus and network relaying methodHITACHI LTD·Filed 2000·Granted Jan 27, 2004·93 cites·10 claims
- 0488US7760632B2Device and method for relaying packetsALAXALA NETWORKS CORP·Filed 2007·Granted Jul 20, 2010·30 cites·9 claims
- 0587US7787442B2Communication statistic information collection apparatusHITACHI LTD·Filed 2005·Granted Aug 31, 2010·17 cites·2 claims
- 0685US7054319B2VPN router and VPN identification method by using logical channel identifiersHITACHI LTD·Filed 2001·Granted May 30, 2006·39 cites·15 claims
- 0784US6650642B1Network relaying apparatus and network relaying method capable of high-speed routing and packet transferHIRACHI LTD·Filed 2000·Granted Nov 18, 2003·43 cites·5 claims
- 0883US6768738B1Packet forwarding apparatus with a flow detection tableHITACHI LTD·Filed 1999·Granted Jul 27, 2004·123 cites·16 claims
- 0982US7088716B2Network routing apparatusHITACHI LTD·Filed 2001·Granted Aug 8, 2006·25 cites·4 claims
- 1082US6778532B1Packet relaying apparatus and high speed multicast systemHITACHI LTD·Filed 1999·Granted Aug 17, 2004·132 cites·2 claims
- 1181US7710962B2Packet forwarding apparatus and method for multicast packetsALAXALA NETWORKS CORP·Filed 2006·Granted May 4, 2010·13 cites·16 claims
- 1279US7738465B2Packet forwarding device equipped with statistics collection device and statistics collection methodHITACHI LTD·Filed 2004·Granted Jun 15, 2010·27 cites·22 claims
- 1374US8953337B2Communication apparatus with removable circuit boardsINOUE MASAAKI·Filed 2011·Granted Feb 10, 2015·3 cites·12 claims
- 1473US7408935B2Packet forwarding apparatus with a flow detection tableHITACHI LTD·Filed 2004·Granted Aug 5, 2008·15 cites·4 claims
- 1572US6658003B1Network relaying apparatus and network relaying method capable of high-speed flow detectionHITACHI LTD·Filed 2000·Granted Dec 2, 2003·18 cites·6 claims
- 1670US8625423B2Device and method for relaying packetsYANO HIROKI·Filed 2011·Granted Jan 7, 2014·3 cites·10 claims
- 1769US7522592B2Packet transfer unitHITACHI LTD·Filed 2004·Granted Apr 21, 2009·11 cites·22 claims
- 1868US7167474B2Network relaying apparatus and network relaying method capable of high-speed routing and packet transferHITACHI LTD·Filed 2003·Granted Jan 23, 2007·11 cites·8 claims
- 1967US8139576B2Network routing apparatusSUGAI KAZUO·Filed 2008·Granted Mar 20, 2012·3 cites·7 claims
- 2066US7848321B2Method for high speed search tables switching and packet forwarding apparatusHITACHI LTD·Filed 2005·Granted Dec 7, 2010·3 cites·6 claims
- 2165US7397765B2Bandwidth monitoring deviceHITACHI LTD·Filed 2004·Granted Jul 8, 2008·11 cites·16 claims
- 2265US7085272B2Network routing apparatusHITACHI LTD·Filed 2004·Granted Aug 1, 2006·6 cites·17 claims
- 2365US6671277B1Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality controlHITACHI LTD·Filed 2000·Granted Dec 30, 2003·10 cites·5 claims
- 2461US8064353B2Communication device, communication system, and communication fault detection methodAKAHANE SHINICHI·Filed 2008·Granted Nov 22, 2011·2 cites·5 claims
- 2561US4472973AUltrasonic flaw detecting apparatus of electronically scanning typeHITACHI LTD·Filed 1982·Granted Sep 25, 1984·22 cites·14 claims
- 2660US7924833B2Packet transfer unitHITACHI LTD·Filed 2009·Granted Apr 12, 2011·1 cites·4 claims
- 2760US5428725ASystem for performing coordinate transformation of source image dataHITACHI LTD·Filed 1993·Granted Jun 27, 1995·29 cites·14 claims
- 2853US6560233B1Data processing apparatus and network relaying apparatusHITACHI LTD·Filed 1999·Granted May 6, 2003·37 cites·9 claims
- 2949US10887241B2Communication device, communication system, and communication methodALAXALA NETWORKS CORP·Filed 2019·Granted Jan 5, 2021·0 cites·11 claims
- 3049US6874033B1Network repeater and network next transfer desitination searching methodHITACHI LTD·Filed 1998·Granted Mar 29, 2005·25 cites·9 claims
- 3148US2006126644A1VPN router and VPN identification method by using logical channel identifiersAKAHANE SHINICHI·Filed 2006·Application pending·0 cites
- 3246US9276876B2Data transfer apparatus and data transfer methodALAXALA NETWORKS CORP·Filed 2013·Granted Mar 1, 2016·0 cites·12 claims
- 3346US2006233156A1Network routing apparatusSUGAI KAZUO·Filed 2006·Application pending·0 cites
- 3445US2003195919A1Packet distributing system and method for distributing access packets to a plurality of server apparatusesFiled 2003·Application pending·0 cites
- 3544US8937869B2Communication device, communication system, and communication fault detection methodAKAHANE SHINICHI·Filed 2011·Granted Jan 20, 2015·0 cites·14 claims
- 3640US10389626B2Transfer deviceALAXALA NETWORKS CORP·Filed 2018·Granted Aug 20, 2019·0 cites·11 claims
- 3740US8774001B2Relay device and relay methodKUMAGAI TAKESHI·Filed 2012·Granted Jul 8, 2014·0 cites·14 claims
- 3838US10326705B2Communication device and communication methodALAXALA NETWORKS CORP·Filed 2017·Granted Jun 18, 2019·0 cites·12 claims
- 3937US10965605B2Communication system, communication control method, and communication apparatusALAXALA NETWORKS CORP·Filed 2019·Granted Mar 30, 2021·0 cites·12 claims
- 4036US9830403B2Communication apparatus, and CAM failure diagnosis methodALAXALA NETWORKS CORP·Filed 2014·Granted Nov 28, 2017·0 cites·15 claims
- 4135US11805632B2Electronic part package body and peeling method for electronic part package bodyTAIYO YUDEN KK·Filed 2019·Granted Oct 31, 2023·0 cites·18 claims
- 4235US5581278AImage display control systemHITACHI LTD·Filed 1992·Granted Dec 3, 1996·9 cites·9 claims
- 4323US6216194B1Information processing unit for separately controlling a plurality of shared busesHITACHI LTD·Filed 1998·Granted Apr 10, 2001·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →