Assignee
OGUMA TAKEFUMI
JP·3 granted patents·3 pending applications·3 citations·filing 2008–2012
Top patents by PatentIndex Score
6 records- 0159US8238745B2Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatusOGUMA TAKEFUMI·Filed 2008·Granted Aug 7, 2012·2 cites·9 claims
- 0258US8879908B2Optical channel monitorOGUMA TAKEFUMI·Filed 2012·Granted Nov 4, 2014·1 cites·7 claims
- 0346US2013315601A1Optical transmission deviceOGUMA TAKEFUMI·Filed 2012·Application pending·0 cites
- 0446US2013315602A1Optical transmission deviceOGUMA TAKEFUMI·Filed 2011·Application pending·0 cites
- 0544US7649162B2Optical feedback control unit, optical communication system, feedback control method, and recording medium for recording programOGUMA TAKEFUMI·Filed 2008·Granted Jan 19, 2010·0 cites·15 claims
- 0634US2012008941A1Optical channel monitor and method of calculating signal light level of optical channel monitorOGUMA TAKEFUMI·Filed 2010·Application pending·0 cites
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