Inventor · disambiguated record
Xiqun Zhu
Also filed as: ZHU XIQUN
18 granted patents·99 citations·filing 1998–2023
92Inventor score
Files withCISCO TECH INC12HUMPHREY DANIEL2AGERE SYSTEMS INC1LUCENT TECHNOLOGIES INC1SILICON LAB INC1
Top patents by PatentIndex Score
18 records- 0197US11522442B1Power factor of AC-DC off-line power supplies under light load conditionCISCO TECH INC·Filed 2021·Granted Dec 6, 2022·5 cites·20 claims
- 0293US10473729B2Active AC power loss detectionCISCO TECH INC·Filed 2016·Granted Nov 12, 2019·5 cites·16 claims
- 0388US8067857B2Redundant power supply systems and methodsHUMPHREY DANIEL·Filed 2009·Granted Nov 29, 2011·27 cites·11 claims
- 0481US9098276B2Redundant power supply systems and methodsHUMPHREY DANIEL·Filed 2011·Granted Aug 4, 2015·6 cites·7 claims
- 0580US10718822B2Active AC power loss detectionCISCO TECH INC·Filed 2019·Granted Jul 21, 2020·1 cites·16 claims
- 0675US10971923B2Hot swap inrush current limiter circuitCISCO TECH INC·Filed 2018·Granted Apr 6, 2021·1 cites·20 claims
- 0773US12323042B2Modular power supply architecture optimized for flat efficiency across loadingsCISCO TECH INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 0872US11249144B2Active AC power loss detectionCISCO TECH INC·Filed 2020·Granted Feb 15, 2022·0 cites·20 claims
- 0971US11909255B2Battery charging cut-off circuitCISCO TECH INC·Filed 2022·Granted Feb 20, 2024·0 cites·20 claims
- 1070US9793873B2Circuits and methods for providing an impedance adjustmentSILICON LAB INC·Filed 2015·Granted Oct 17, 2017·1 cites·20 claims
- 1168US11862966B2Surge protectorCISCO TECH INC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 1268US11777394B1Modular power supply architecture optimized for flat efficiency across loadingsCISCO TECH INC·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 1368US9143112B2Circuits and methods for providing an impedance adjustmentZHU XIQUN·Filed 2011·Granted Sep 22, 2015·3 cites·15 claims
- 1467US11342762B2Battery charging cut-off circuitCISCO TECH INC·Filed 2020·Granted May 24, 2022·0 cites·20 claims
- 1565US6831976B1Telephone line-powered power supply for ancillary equipment and method of operation thereofAGERE SYSTEMS INC·Filed 1998·Granted Dec 14, 2004·39 cites·39 claims
- 1656US10868431B2Battery charging cut-off circuitCISCO TECH INC·Filed 2018·Granted Dec 15, 2020·0 cites·20 claims
- 1755US11682904B2Three-phase AC load unbalance detection and balancing method and circuitCISCO TECH INC·Filed 2021·Granted Jun 20, 2023·0 cites·20 claims
- 1843US6240172B1Remote reconfiguration method for feature-function telephone setsLUCENT TECHNOLOGIES INC·Filed 1998·Granted May 29, 2001·11 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →