Inventor · disambiguated record
Hidehiro Fukushima
Also filed as: FUKUSHIMA HIDEHIRO
10 granted patents·2 pending applications·420 citations·filing 1996–2012
91Inventor score
Technology areasH04L
Top patents by PatentIndex Score
12 records- 0189US6292489B1Router device and network system using the sameHITACHI LTD·Filed 2000·Granted Sep 18, 2001·63 cites·8 claims
- 0286US6490246B2System and method for using active and standby routers wherein both routers have the same ID even before a failure occursHITACHI LTD·Filed 2000·Granted Dec 3, 2002·51 cites·7 claims
- 0380US6049524AMultiplex router device comprising a function for controlling a traffic occurrence at the time of alteration process of a plurality of router calculation unitsHITACHI LTD·Filed 1998·Granted Apr 11, 2000·110 cites·7 claims
- 0478US6034964ARouter device and network system using the sameHITACHI LTD·Filed 1997·Granted Mar 7, 2000·91 cites·24 claims
- 0573US7606227B2Method, apparatus and system for distributing multicast dataHITACHI LTD·Filed 2004·Granted Oct 20, 2009·19 cites·3 claims
- 0672US7443851B2Device and system for multicast communicationHITACHI LTD·Filed 2003·Granted Oct 28, 2008·18 cites·12 claims
- 0771US8817683B2Network relay apparatus and inter-network relay methodKUBO TOSHIYUKI·Filed 2010·Granted Aug 26, 2014·7 cites·11 claims
- 0869US7974282B2Network apparatus for redundant multicastALAXALA NETWORKS CORP·Filed 2007·Granted Jul 5, 2011·4 cites·11 claims
- 0964US5777994AATM switch and intermediate systemHITACHI LTD·Filed 1996·Granted Jul 7, 1998·57 cites·11 claims
- 1043US2004098448A1Data distribution systemFiled 2003·Application pending·0 cites
- 1143US2002027924A1Router device and network system using the sameFiled 2001·Application pending·0 cites
- 1230US9253080B2Relay device, network system and computer program productKAYA YOSHIHIRO·Filed 2012·Granted Feb 2, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →