Inventor · disambiguated record
Katsumi Fukumitsu
Also filed as: FUKUMITSU KATSUMI
11 granted patents·2 pending applications·186 citations·filing 1994–2015
88Inventor score
Top patents by PatentIndex Score
13 records- 0196US8478137B2Optical receiverKOMAKI KOSUKE·Filed 2011·Granted Jul 2, 2013·64 cites·15 claims
- 0281US8655185B2Optical node, optical network system, and method for measuring polarization mode dispersionSAKAMOTO TAKESHI·Filed 2011·Granted Feb 18, 2014·6 cites·16 claims
- 0379US5703409AError counting circuitFUJITSU LTD·Filed 1994·Granted Dec 30, 1997·104 cites·7 claims
- 0469US9413522B2Optical receiver and signal processing method for optical receiverFUJITSU LTD·Filed 2015·Granted Aug 9, 2016·2 cites·14 claims
- 0568US7817925B2High-speed dispersion compensation control apparatusFUJITSU LTD·Filed 2006·Granted Oct 19, 2010·4 cites·11 claims
- 0664US7319824B2Optical signal receiver, and method for controlling identification point for binarization processing performed therebyFUJITSU LTD·Filed 2005·Granted Jan 15, 2008·3 cites·18 claims
- 0762US8649678B2Frame processing apparatus, optical receiving apparatus, optical transceiving apparatus, optical transmission system, and frame processing controlling methodHOSHIDA TAKESHI·Filed 2009·Granted Feb 11, 2014·2 cites·16 claims
- 0854US7711218B2Optical reception apparatus and controlling method thereofFUJITSU LTD·Filed 2008·Granted May 4, 2010·1 cites·9 claims
- 0947US9564964B2Optical signal processing device, optical signal processing method and recording mediumFUJITSU LTD·Filed 2014·Granted Feb 7, 2017·0 cites·5 claims
- 1039US9306675B2Digital coherent receiver, optical reception system, and optical reception methodFUJITSU LTD·Filed 2014·Granted Apr 5, 2016·0 cites·20 claims
- 1139US8295715B2Optical receiver and optical phase control method thereofFUKUMITSU KATSUMI·Filed 2008·Granted Oct 23, 2012·0 cites·24 claims
- 1239US2007071447A1Optical receiving apparatus and dispersion compensating method thereinFUJITSU LTD·Filed 2005·Application pending·0 cites
- 1338US2007071443A1Signal multiplexing apparatus and stuff controlling method thereinFUJITSU LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →