Inventor · disambiguated record
Xiaofei Su
Also filed as: SU XIAOFEI
8 granted patents·7 pending applications·2 citations·filing 2017–2025
73Inventor score
Files withFUJITSU LTD15
Top patents by PatentIndex Score
15 records- 0177US11626928B2Performance estimation apparatus and method for nonlinear communication system and an electronic deviceFUJITSU LTD·Filed 2021·Granted Apr 11, 2023·1 cites·9 claims
- 0266US10742316B2Apparatus and method for monitoring change of polarization state resulted from optical link and optical receiverFUJITSU LTD·Filed 2019·Granted Aug 11, 2020·1 cites·10 claims
- 0364US11881906B2Apparatus and method for measuring nonlinear signal-to-noise ratio, and test instrumentFUJITSU LTD·Filed 2022·Granted Jan 23, 2024·0 cites·17 claims
- 0462US12451979B2Method, apparatus and system for measuring nonlinear correlation parameters of nonlinear deviceFUJITSU LTD·Filed 2023·Granted Oct 21, 2025·0 cites·17 claims
- 0559US2025211330A1Apparatus and method for determining optical phase difference of sub signal of optical transmitterFUJITSU LTD·Filed 2024·Application pending·0 cites
- 0659US2025211329A1Apparatus and method for real-time monitoring delay skew of subsignal of optical transmitterFUJITSU LTD·Filed 2024·Application pending·0 cites
- 0759US2025211336A1Apparatus and method for determining signal correlationFUJITSU LTD·Filed 2024·Application pending·0 cites
- 0857US2025274194A1Apparatus and method for monitoring analog characteristic of optical transmitter, and optical transmitterFUJITSU LTD·Filed 2025·Application pending·0 cites
- 0954US2024129049A1Method and apparatus for evaluating transmission impairments of multiplexing converterFUJITSU LTD·Filed 2023·Application pending·0 cites
- 1053US11296797B2Method and apparatus for monitoring the change of state of polarization and a receiverFUJITSU LTD·Filed 2020·Granted Apr 5, 2022·0 cites·18 claims
- 1148US10892962B2Inter-channel linear crosstalk estimation method and apparatus and receiverFUJITSU LTD·Filed 2018·Granted Jan 12, 2021·0 cites·19 claims
- 1248US10734950B2Phase noise compensation apparatus and method and receiverFUJITSU LTD·Filed 2019·Granted Aug 4, 2020·0 cites·8 claims
- 1348US2023083930A1Method and apparatus for generating signalFUJITSU LTD·Filed 2022·Application pending·0 cites
- 1446US2022385421A1Signal generation device and equalization processing deviceFUJITSU LTD·Filed 2022·Application pending·0 cites
- 1541US10367635B2Signal transmission apparatus, carrier phase recovery apparatus and methodFUJITSU LTD·Filed 2017·Granted Jul 30, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →