Inventor · disambiguated record
Yangyang Fan
Also filed as: FAN YANGYANG
24 granted patents·1 pending application·11 citations·filing 2014–2025
90Inventor score
Files withFUJITSU LTD25
Top patents by PatentIndex Score
25 records- 0185US10560195B2Bias control apparatus and method of modulator of optical transmitter and optical transmitterFUJITSU LTD·Filed 2018·Granted Feb 11, 2020·5 cites·12 claims
- 0277US10345673B2Bias control apparatus and method of modulator of optical transmitter and optical transmitterFUJITSU LTD·Filed 2018·Granted Jul 9, 2019·1 cites·8 claims
- 0374US12328140B2Measurement apparatus and method for nonlinear damages in optical linkFUJITSU LTD·Filed 2023·Granted Jun 10, 2025·0 cites·10 claims
- 0469US9825708B2Compensation apparatus and method for inter-channel nonlinear damageFUJITSU LTD·Filed 2014·Granted Nov 21, 2017·2 cites·8 claims
- 0568US9160448B2Apparatus and method for estimating intra-channel nonlinear damageFUJITSU LTD·Filed 2014·Granted Oct 13, 2015·2 cites·14 claims
- 0665US10404380B2Compensation apparatus for offset drift, received signal recovery apparatus and receiverFUJITSU LTD·Filed 2017·Granted Sep 3, 2019·1 cites·7 claims
- 0760US11463172B2Apparatus and method for monitoring polarization changeFUJITSU LTD·Filed 2021·Granted Oct 4, 2022·0 cites·10 claims
- 0857US2025274194A1Apparatus and method for monitoring analog characteristic of optical transmitter, and optical transmitterFUJITSU LTD·Filed 2025·Application pending·0 cites
- 0956US11626930B2Polarization recovery apparatus and method thereof and optical receiverFUJITSU LTD·Filed 2021·Granted Apr 11, 2023·0 cites·11 claims
- 1055US11563496B2Phase response measurement method and apparatusFUJITSU LTD·Filed 2021·Granted Jan 24, 2023·0 cites·18 claims
- 1153US11777613B2Polarization change tracking apparatus, processing apparatus for received signal and methods thereofFUJITSU LTD·Filed 2021·Granted Oct 3, 2023·0 cites·9 claims
- 1252US11057106B2Method and apparatus for monitoring modulation depth of dither signal and optical transmitterFUJITSU LTD·Filed 2020·Granted Jul 6, 2021·0 cites·10 claims
- 1349US10903911B2Apparatus and method for estimating polarization skewFUJITSU LTD·Filed 2019·Granted Jan 26, 2021·0 cites·9 claims
- 1448US10892962B2Inter-channel linear crosstalk estimation method and apparatus and receiverFUJITSU LTD·Filed 2018·Granted Jan 12, 2021·0 cites·19 claims
- 1547US11329724B2State of polarization tracking recovery method and apparatusFUJITSU LTD·Filed 2021·Granted May 10, 2022·0 cites·14 claims
- 1647US11108464B2Apparatus and method for determining coefficients of fixed equalizerFUJITSU LTD·Filed 2020·Granted Aug 31, 2021·0 cites·9 claims
- 1746US10574350B2Method and apparatus for estimating direct current bias of optical modulator and receiverFUJITSU LTD·Filed 2019·Granted Feb 25, 2020·0 cites·17 claims
- 1845US10917171B2Fiber nonlinear noise monitoring method and apparatus and optical receiverFUJITSU LTD·Filed 2019·Granted Feb 9, 2021·0 cites·19 claims
- 1945US9979471B2Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipmentFUJITSU LTD·Filed 2016·Granted May 22, 2018·0 cites·12 claims
- 2043US11070287B2Method and apparatus for establishing transmission impairment decomposition model for Raman amplified system and systemFUJITSU LTD·Filed 2020·Granted Jul 20, 2021·0 cites·12 claims
- 2142US10225010B2Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipmentFUJITSU LTD·Filed 2016·Granted Mar 5, 2019·0 cites·11 claims
- 2240US10630526B2Estimation apparatus for IQ imbalance of optical transmitter, compensation apparatus for IQ imbalance of optical transmitter and electronic equipmentFUJITSU LTD·Filed 2018·Granted Apr 21, 2020·0 cites·11 claims
- 2338US10116388B2Apparatus for measuring a filtering characteristic, pre-equalizer and communication equipmentFUJITSU LTD·Filed 2016·Granted Oct 30, 2018·0 cites·18 claims
- 2437US10644791B2Impairment monitoring apparatus, impairment monitoring and compensating system and methodFUJITSU LTD·Filed 2019·Granted May 5, 2020·0 cites·8 claims
- 2537US10230469B2Apparatus for measuring a filtering characteristic, pre-equalizer and optical communication equipmentFUJITSU LTD·Filed 2016·Granted Mar 12, 2019·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →