Inventor · disambiguated record
Li Qi
Also filed as: QI LI · QI LI QIANG
23 granted patents·6 pending applications·89 citations·filing 2001–2025
93Inventor score
Files withABB SCHWEIZ AG11ABB TECHNOLOGY AG5ABB TECHNOLOGY LTD4ABB SPA2CHINA NATIONAL ELECTRIC APPARATUS RES INSTITUTE CO LTD2
Top patents by PatentIndex Score
29 records- 0195US11101640B1Solid-state protection for direct current networksABB SCHWEIZ AG·Filed 2020·Granted Aug 24, 2021·5 cites·20 claims
- 0295US9819188B1Direct current transmission system and methodABB SCHWEIZ AG·Filed 2016·Granted Nov 14, 2017·27 cites·21 claims
- 0391US11837865B2Hybrid circuit breakersABB SPA·Filed 2021·Granted Dec 5, 2023·2 cites·20 claims
- 0491US9742331B2Doubly-fed, variable-speed, dual-voltage AC generation and distribution systemsABB TECHNOLOGY AG·Filed 2015·Granted Aug 22, 2017·6 cites·15 claims
- 0590US11070052B2Circuit protection systemABB SPA·Filed 2016·Granted Jul 20, 2021·5 cites·19 claims
- 0689US11394199B2Intelligent current limiting for solid-state switchingABB SCHWEIZ AG·Filed 2020·Granted Jul 19, 2022·2 cites·18 claims
- 0786US10693293B2Fault protection in converter-based DC distribution systemsABB SCHWEIZ AG·Filed 2016·Granted Jun 23, 2020·7 cites·26 claims
- 0883US9762047B2Technologies for zonal fault protection of DC distribution systemsABB TECHNOLOGY LTD·Filed 2015·Granted Sep 12, 2017·3 cites·20 claims
- 0982US10411587B2Fault isolation and system restoration using power converterABB SCHWEIZ AG·Filed 2017·Granted Sep 10, 2019·5 cites·17 claims
- 1082US9048694B2DC connection scheme for windfarm with internal MVDC collection gridPAN JIUPING·Filed 2012·Granted Jun 2, 2015·14 cites·17 claims
- 1175US11230202B2Multiple vehicle charging systemABB SCHWEIZ AG·Filed 2019·Granted Jan 25, 2022·2 cites·20 claims
- 1270US8903710B2Synchro translation verification test for software applicationsLUO LING·Filed 2011·Granted Dec 2, 2014·5 cites·20 claims
- 1369US11532933B2Current control and circuit protection for distributed energy resourcesABB SCHWEIZ AG·Filed 2019·Granted Dec 20, 2022·1 cites·20 claims
- 1468US9608551B2Reducing peak fault output current in a DC power generation systemABB SCHWEIZ AG·Filed 2015·Granted Mar 28, 2017·1 cites·20 claims
- 1567US10483758B2Method and apparatus for controlling a hybrid energy storage systemABB TECHNOLOGY AG·Filed 2014·Granted Nov 19, 2019·3 cites·16 claims
- 1666US12113396B1Fuel cell powered ring bus architecturesABB SCHWEIZ AG·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 1765US9791495B2High impedance fault location in DC distribution systemsABB TECHNOLOGY LTD·Filed 2015·Granted Oct 17, 2017·1 cites·23 claims
- 1862US2025314578A1Natural environment accelerated corrosion test device and method for air conditionersCHINA NATIONAL ELECTRIC APPARATUS RES INSTITUTE CO LTD·Filed 2025·Application pending·0 cites
- 1957US11955835B2Method and control to integrate fuel cells in datacenters with ring-bus architectureABB SCHWEIZ AG·Filed 2021·Granted Apr 9, 2024·0 cites·17 claims
- 2054US2025202228A1Systems and methods of power-voltage droop control for a direct current (dc) microgridABB SCHWEIZ AG·Filed 2023·Application pending·0 cites
- 2151US9748762B2Method and apparatus for the protection of DC distribution systemsABB TECHNOLOGY AG·Filed 2014·Granted Aug 29, 2017·0 cites·20 claims
- 2247US9419428B2Protection device for DC collection systemsABB TECHNOLOGY AG·Filed 2014·Granted Aug 16, 2016·0 cites·20 claims
- 2346US2015349687A1Electric Power Generation and Distribution for Islanded or Weakly-Connected SystemsABB TECHNOLOGY AG·Filed 2014·Application pending·0 cites
- 2445US2025156604A1Finite element simulation technology-based atmospheric-corrosion prediction method for air-conditioner heat exchangerCHINA NATIONAL ELECTRIC APPARATUS RES INSTITUTE CO LTD·Filed 2025·Application pending·0 cites
- 2543US2021125793A1High-temperature, high-performance capacitor thin film continuous production device and methodUNIV TSINGHUA·Filed 2018·Application pending·0 cites
- 2639US9800044B2Fault location of DC distribution systemsABB TECHNOLOGY LTD·Filed 2015·Granted Oct 24, 2017·0 cites·31 claims
- 2739US9614429B2System for converting AC electrical power to DC electrical power and methodsABB TECHNOLOGY LTD·Filed 2015·Granted Apr 4, 2017·0 cites·20 claims
- 2833US2017169349A1Recommending method and electronic deviceLE HOLDINGS BEIJING CO LTD·Filed 2016·Application pending·0 cites
- 2921US6941065B2Camera interlocks that ensure proper movement of filmCONCORD CAMERA CORP·Filed 2001·Granted Sep 6, 2005·0 cites·28 claims
Join the waitlist — get patent alerts
Get an alert when Li Qi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →