Assignee
MIZUTANI MASAHIKO
JP·17 granted patents·1 pending application·118 citations·filing 2006–2012
Top patents by PatentIndex Score
18 records- 0193US8428457B2Optical passive network system and its operation methodMIZUTANI MASAHIKO·Filed 2010·Granted Apr 23, 2013·23 cites·9 claims
- 0292US8457493B2Optical communication system and communication bandwidth control methodMIZUTANI MASAHIKO·Filed 2010·Granted Jun 4, 2013·11 cites·9 claims
- 0390US8331784B2Network system and optical line terminalMIZUTANI MASAHIKO·Filed 2008·Granted Dec 11, 2012·19 cites·8 claims
- 0487US8488965B2Network system and optical line terminalMIZUTANI MASAHIKO·Filed 2008·Granted Jul 16, 2013·11 cites·9 claims
- 0586US8457495B2Network system, optical network unit and optical line terminalMIZUTANI MASAHIKO·Filed 2008·Granted Jun 4, 2013·10 cites·14 claims
- 0684US8554075B2Communication system, subscriber accommodating apparatus and communication methodMIZUTANI MASAHIKO·Filed 2009·Granted Oct 8, 2013·9 cites·5 claims
- 0783US8249458B2Optical communication system and method for operating the sameMIZUTANI MASAHIKO·Filed 2009·Granted Aug 21, 2012·9 cites·9 claims
- 0882US8254780B2Passive optical network system and fault determination methodMIZUTANI MASAHIKO·Filed 2009·Granted Aug 28, 2012·10 cites·3 claims
- 0974US8089865B2Multicast path management and protectionMIZUTANI MASAHIKO·Filed 2006·Granted Jan 3, 2012·6 cites·10 claims
- 1073US8095004B2Passive optical network system and operation method of the sameMIZUTANI MASAHIKO·Filed 2009·Granted Jan 10, 2012·4 cites·7 claims
- 1169US8422375B2Communication system and communication apparatusMIZUTANI MASAHIKO·Filed 2011·Granted Apr 16, 2013·2 cites·7 claims
- 1264US8189571B2System apparatus and method for interconnecting TDM and frame/packet communication networksMIZUTANI MASAHIKO·Filed 2006·Granted May 29, 2012·2 cites·2 claims
- 1363US8224135B2Optical communication system using WDMA and CDMAMIZUTANI MASAHIKO·Filed 2010·Granted Jul 17, 2012·1 cites·19 claims
- 1460US8305907B2Network system and data transfer deviceMIZUTANI MASAHIKO·Filed 2006·Granted Nov 6, 2012·1 cites·14 claims
- 1553US2009067850A1Communication System and Its DeviceMIZUTANI MASAHIKO·Filed 2008·Application pending·0 cites
- 1651US8654766B2System apparatus and method for interconnecting TDM and frame/packet communication networksMIZUTANI MASAHIKO·Filed 2012·Granted Feb 18, 2014·0 cites·3 claims
- 1748US8331400B2Passive optical network (PON) systemMIZUTANI MASAHIKO·Filed 2010·Granted Dec 11, 2012·0 cites·2 claims
- 1840US9166874B2Communication network system and communication network configuration methodMIZUTANI MASAHIKO·Filed 2011·Granted Oct 20, 2015·0 cites·10 claims
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