Assignee
TOCHIO YUJI
JP·9 granted patents·1 pending application·22 citations·filing 2005–2012
Top patents by PatentIndex Score
10 records- 0186US8873380B2System and method for setting redundant path segments in a multi-ring communication networkTOCHIO YUJI·Filed 2012·Granted Oct 28, 2014·10 cites·3 claims
- 0277US8208469B2Communication system and apparatusTOCHIO YUJI·Filed 2009·Granted Jun 26, 2012·7 cites·15 claims
- 0366US8174963B2Data relay apparatus and failure recovery methodTOCHIO YUJI·Filed 2005·Granted May 8, 2012·3 cites·18 claims
- 0460US8737201B2Data relay apparatus, and ring-type communication systemTOCHIO YUJI·Filed 2010·Granted May 27, 2014·1 cites·11 claims
- 0559US8441923B2Communication path providing method and communication apparatusTOCHIO YUJI·Filed 2010·Granted May 14, 2013·1 cites·12 claims
- 0645US9154326B2Transmission apparatus, failure recovery method, and network systemTOCHIO YUJI·Filed 2012·Granted Oct 6, 2015·0 cites·9 claims
- 0741US9369786B2Optical transmission device and optical transmission network systemTOCHIO YUJI·Filed 2012·Granted Jun 14, 2016·0 cites·9 claims
- 0841US8917592B2Communication apparatus, system, and methodTOCHIO YUJI·Filed 2011·Granted Dec 23, 2014·0 cites·13 claims
- 0940US2013170832A1Switching deviceTOCHIO YUJI·Filed 2012·Application pending·0 cites
- 1039US9048966B2Optical transmission apparatusTOCHIO YUJI·Filed 2011·Granted Jun 2, 2015·0 cites·6 claims
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