Inventor · disambiguated record
Katsumi Sugawa
Also filed as: SUGAWA KATSUMI
6 granted patents·3 pending applications·33 citations·filing 1997–2014
80Inventor score
Top patents by PatentIndex Score
9 records- 0175US8891716B2Node device and method for synchronizing clock timesFUJITSU LTD·Filed 2014·Granted Nov 18, 2014·4 cites·9 claims
- 0266US8189180B2Optical fiber transmission line measurement apparatus and systemBATO KOJI·Filed 2009·Granted May 29, 2012·5 cites·10 claims
- 0365US8195052B2Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer productOHTOU MAKOTO·Filed 2007·Granted Jun 5, 2012·4 cites·9 claims
- 0462US8412045B2Propagation apparatus and dispersion value setting methodMURAKAMI YUKI·Filed 2009·Granted Apr 2, 2013·5 cites·8 claims
- 0556US7733467B2Optical passive device product identification apparatus and connectivity determination apparatusFUJITSU LTD·Filed 2008·Granted Jun 8, 2010·2 cites·4 claims
- 0642US6041062AHigh-speed synchronous multiplexing apparatusFUJITSU LTD·Filed 1997·Granted Mar 21, 2000·13 cites·35 claims
- 0741US2009116834A1Optical transmission apparatus and restart control methodFUJITSU LTD·Filed 2008·Application pending·0 cites
- 0841US2008037991A1Optical wavelength multiplex transmission apparatus, control method thereof and optical wavelength multiplex transmission systemFUJITSU LTD·Filed 2007·Application pending·0 cites
- 0938US2007047960A1Method and apparatus for controlling level of each signal included in wavelength-multiplexed signalFUJITSU LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →