Inventor · disambiguated record
Kean Liu
Also filed as: LIU KEAN
5 granted patents·2 pending applications·11 citations·filing 2013–2021
68Inventor score
Files withZHUZHOU CRRC TIMES ELECTRIC CO LTD3CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD2CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD2
Top patents by PatentIndex Score
7 records- 0190US9837946B2Method and device for acquiring rotor position based on permanent magnet synchronous drive systemCRRC ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2015·Granted Dec 5, 2017·7 cites·9 claims
- 0270US10033313B2Control method for restarting permanent magnet synchronous motor with speed, device and system thereofCSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2013·Granted Jul 24, 2018·4 cites·7 claims
- 0351US2024304370A1Iron core magnetic circuit multiplexing methodCRRC ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2021·Application pending·0 cites
- 0443US2023406469A1Power distribution and driving system for remotely underwater operated vehicleZHUZHOU CRRC TIMES ELECTRIC CO LTD·Filed 2020·Application pending·0 cites
- 0541US12448015B2Information security protection method and apparatusZHUZHOU CRRC TIMES ELECTRIC CO LTD·Filed 2020·Granted Oct 21, 2025·0 cites·18 claims
- 0635US9991829B2Direct-axis current protection method and device for permanent magnet synchronous motor drive systemCSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INSTITUTE CO LTD·Filed 2013·Granted Jun 5, 2018·0 cites·10 claims
- 0734US11646675B2Voltage control method and systemZHUZHOU CRRC TIMES ELECTRIC CO LTD·Filed 2019·Granted May 9, 2023·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →