Inventor · disambiguated record
Kenro Sekine
Also filed as: SEKINE KENRO
11 granted patents·2 pending applications·103 citations·filing 2003–2012
89Inventor score
Top patents by PatentIndex Score
13 records- 0191US7991290B2Optical prism and optical transceiver module for optical communicationsHITACHI LTD·Filed 2006·Granted Aug 2, 2011·23 cites·31 claims
- 0287US8095018B2Quaternary phase modulatorSEKINE KENRO·Filed 2008·Granted Jan 10, 2012·16 cites·10 claims
- 0384US7653311B2Optical wavelength add-drop multiplexerHITACHI COMM TECH LTD·Filed 2004·Granted Jan 26, 2010·22 cites·8 claims
- 0482US7653310B2Wavelength division multiplex (WDM) transmission systemHITACHI LTD·Filed 2007·Granted Jan 26, 2010·9 cites·12 claims
- 0577US7457542B2Optical access network systemHITACHI COMM TECH LTD·Filed 2006·Granted Nov 25, 2008·13 cites·12 claims
- 0676US8818190B2Optical transport system and optical nodeHAYASHI YUKIO·Filed 2012·Granted Aug 26, 2014·7 cites·8 claims
- 0765US7526199B2Optical transmission equipment preventing malfunction in recovery from faultHITACHI COMM TECH LTD·Filed 2005·Granted Apr 28, 2009·3 cites·7 claims
- 0861US7903975B2Optical add-drop multiplexerHITACHI LTD·Filed 2004·Granted Mar 8, 2011·5 cites·9 claims
- 0959US8090269B2Data transmission system and transmission code generating method for the sameTOYODA HIDEHIRO·Filed 2008·Granted Jan 3, 2012·2 cites·5 claims
- 1054US7302183B2Gain tilt compensators and their systemsHITACHI LTD·Filed 2003·Granted Nov 27, 2007·3 cites·16 claims
- 1146US7457494B2Dispersion compensator, optical transmission system and optical transmission methodHITACHI COMM TECH LTD·Filed 2007·Granted Nov 25, 2008·0 cites·7 claims
- 1245US2011229153A1Optical receiverHITACHI LTD·Filed 2009·Application pending·0 cites
- 1333US2011164873A1Optical repeater, optical transmission apparatus, reflection abnormality detection method and reflection abnormality recovery determination methodHITACHI LTD·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →