Inventor · disambiguated record
Lijie Qiao
Also filed as: QIAO LIJIE
27 granted patents·2 pending applications·40 citations·filing 2004–2021
93Inventor score
Top patents by PatentIndex Score
29 records- 0189US9042007B1Optical amplifierOPLINK COMMUNICATIONS INC·Filed 2014·Granted May 26, 2015·12 cites·20 claims
- 0283US7405870B2Method and apparatus for amplified spontaneous emission corrected automatic signal power control of an optical amplifierBTI PHOTONIC SYSTEMS INC·Filed 2006·Granted Jul 29, 2008·8 cites·22 claims
- 0381US11733582B2Variable optical filterGC PHOTONICS INC·Filed 2018·Granted Aug 22, 2023·2 cites·5 claims
- 0478US10585130B2Noise spectrum analysis for electronic deviceIBM·Filed 2019·Granted Mar 10, 2020·1 cites·9 claims
- 0574US10585128B2Noise spectrum analysis for electronic deviceIBM·Filed 2016·Granted Mar 10, 2020·1 cites·9 claims
- 0673US10297972B2Optical amplifierQIAO LIJIE·Filed 2017·Granted May 21, 2019·1 cites·10 claims
- 0772US10666011B2Switchable-gain optical amplifierMOLEX LLC·Filed 2017·Granted May 26, 2020·1 cites·2 claims
- 0870US11044019B2Method and device for chromatic dispersion compensationGC PHOTONICS INC·Filed 2019·Granted Jun 22, 2021·2 cites·14 claims
- 0969US10605842B2Noise spectrum analysis for electronic deviceIBM·Filed 2016·Granted Mar 31, 2020·1 cites·9 claims
- 1068US7457032B2Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM)BTI PHOTONIC SYSTEMS INC·Filed 2005·Granted Nov 25, 2008·4 cites·16 claims
- 1163US11290185B2Remote optical fiber dispersion compensation device and method, remote access device, electronic device and non-transient computer-readable storage mediumACCELINK TECH CO LTD·Filed 2018·Granted Mar 29, 2022·1 cites·8 claims
- 1261US9680283B2Switchable-gain optical amplifierOPLINK COMMUNICATIONS LLC·Filed 2013·Granted Jun 13, 2017·1 cites·18 claims
- 1359US10297971B2Optical amplifierQIAO LIJIE·Filed 2017·Granted May 21, 2019·0 cites·5 claims
- 1459US8363311B2Optical amplifier and a method of light amplificationQIAO LIJIE·Filed 2009·Granted Jan 29, 2013·1 cites·16 claims
- 1558US10297970B2Optical amplifierQIAO LIJIE·Filed 2017·Granted May 21, 2019·0 cites·7 claims
- 1655US10027414B2Bidirectional amplifierQIAO LIJIE·Filed 2017·Granted Jul 17, 2018·0 cites·9 claims
- 1755US7324268B2Optical signal amplifier and methodBTI PHOTONIC SYSTEMS INC·Filed 2004·Granted Jan 29, 2008·4 cites·36 claims
- 1854US10274689B2Regroup optical cableQIAO LIJIE·Filed 2017·Granted Apr 30, 2019·0 cites·10 claims
- 1954US9835802B1Regroup NxM optical cableQIAO LIJIE·Filed 2017·Granted Dec 5, 2017·0 cites·20 claims
- 2051US2022098791A1Experimental system for studying refining mechanism and characteristic of refiner plate and method for operating sameSHAANXI UNIV OF SCIENCE & TECHNOLOGY·Filed 2021·Application pending·0 cites
- 2146US10379288B2Method and device having a saturable absorber for filteringQIAO LIJIE·Filed 2017·Granted Aug 13, 2019·0 cites·14 claims
- 2246US7889995B2In-service optical dispersion determining system and methodBTI SYSTEMS INC·Filed 2007·Granted Feb 15, 2011·0 cites·28 claims
- 2345US9184554B2Reducing thermal dependence of amplifier gainQIAO LIJIE·Filed 2014·Granted Nov 10, 2015·0 cites·20 claims
- 2445US8412046B2In-service optical dispersion determining system and methodQIAO LIJIE·Filed 2011·Granted Apr 2, 2013·0 cites·20 claims
- 2540US9680284B2Lessening variations of spectral characteristic of an optical deviceQIAO LIJIE·Filed 2015·Granted Jun 13, 2017·0 cites·12 claims
- 2639US2008205814A1Method and Apparatus for Dynamic Polarization Mode Dispersion CompensationQIAO LIJIE·Filed 2007·Application pending·0 cites
- 2737US12242779B2Machine learning-based method for designing high-strength high-toughness steelUNIV BEIJING SCIENCE & TECHNOLOGY·Filed 2021·Granted Mar 4, 2025·0 cites·6 claims
- 2835US11296810B2Add drop structureGC PHOTONICS INC·Filed 2017·Granted Apr 5, 2022·0 cites·11 claims
- 2932US11303094B2Optical amplifier using a single input pump laser and having a switchable gain range for fiber-optic communicationAOC TECH WUHAN CO LTD·Filed 2019·Granted Apr 12, 2022·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →