Inventor · disambiguated record
Qingwen Liu
Also filed as: LIU QINGWEN
11 granted patents·1 pending application·42 citations·filing 2002–2022
87Inventor score
Top patents by PatentIndex Score
12 records- 0181US12194378B2Information processing method, system, apparatus, device, and storage mediumTENCENT TECH SHENZHEN CO LTD·Filed 2022·Granted Jan 14, 2025·1 cites·15 claims
- 0279US8195240B2Hybrid time-spatial multiplexing for wireless broadcast messages through antenna radiation beam synthesisJIN HANG·Filed 2008·Granted Jun 5, 2012·8 cites·25 claims
- 0379US7697485B2Method for improving the performance of a wireless communications network by using beamformed virtual antennasCISCO TECH INC·Filed 2007·Granted Apr 13, 2010·8 cites·25 claims
- 0478US8073489B2Method for dynamic uplink sounding region allocationLIU QINGWEN·Filed 2007·Granted Dec 6, 2011·8 cites·18 claims
- 0573US8130875B2Method for estimating channel response in a wireless communications network based on pilot signalsLIU QINGWEN·Filed 2007·Granted Mar 6, 2012·6 cites·16 claims
- 0673US7496386B2Rechargeable battery facilitated customer-premises equipmentCISCO TECH INC·Filed 2007·Granted Feb 24, 2009·5 cites·18 claims
- 0767US10461850B2Frequency synthesis-based optical frequency domain reflectometry method and systemUNIV SHANGHAI JIAOTONG·Filed 2016·Granted Oct 29, 2019·1 cites·13 claims
- 0862US8068445B2Scheduling uplink sounding signalsLIU QINGWEN·Filed 2007·Granted Nov 29, 2011·2 cites·14 claims
- 0953US7706812B2System and method for detecting locations of a customer premises equipmentCISCO TECH INC·Filed 2007·Granted Apr 27, 2010·3 cites·20 claims
- 1036US10989587B2Distributed fibre sensing system and vibration detection and positioning method thereforUNIV SHANGHAI JIAOTONG·Filed 2016·Granted Apr 27, 2021·0 cites·11 claims
- 1133US11522024B2Display screenVKANSEE BEIJING TECH CO LTD·Filed 2017·Granted Dec 6, 2022·0 cites·11 claims
- 1232US2003224649A1Protector for an overmolded connectorFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Qingwen Liu 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 →